(4) Rename files to snake_case: update BUILD.gn, include paths, header guards, and DEPS entries

Mechanically generated by running this command:

tools_webrtc/do-renames.sh update all-renames.txt && git cl format

Then manually updating:

tools_webrtc/sanitizers/tsan_suppressions_webrtc.cc

Bug: webrtc:10159
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Change-Id: I54824cd91dada8fc3ee3d098f971bc319d477833
Reviewed-on: https://webrtc-review.googlesource.com/c/115653
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#26226}
diff --git a/modules/audio_coding/acm2/acm_receive_test.h b/modules/audio_coding/acm2/acm_receive_test.h
index 04aefc7..23e48a0 100644
--- a/modules/audio_coding/acm2/acm_receive_test.h
+++ b/modules/audio_coding/acm2/acm_receive_test.h
@@ -16,7 +16,7 @@
 #include <string>
 
 #include "api/audio_codecs/audio_decoder_factory.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/scoped_ref_ptr.h"
 #include "system_wrappers/include/clock.h"
 
diff --git a/modules/audio_coding/acm2/acm_receiver.h b/modules/audio_coding/acm2/acm_receiver.h
index 0cbaa9a..d3b41c8 100644
--- a/modules/audio_coding/acm2/acm_receiver.h
+++ b/modules/audio_coding/acm2/acm_receiver.h
@@ -25,7 +25,7 @@
 #include "modules/audio_coding/acm2/acm_resampler.h"
 #include "modules/audio_coding/acm2/call_statistics.h"
 #include "modules/audio_coding/include/audio_coding_module.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/thread_annotations.h"
 
 namespace webrtc {
diff --git a/modules/audio_coding/acm2/acm_receiver_unittest.cc b/modules/audio_coding/acm2/acm_receiver_unittest.cc
index 8b3d2e4..d5392dc 100644
--- a/modules/audio_coding/acm2/acm_receiver_unittest.cc
+++ b/modules/audio_coding/acm2/acm_receiver_unittest.cc
@@ -23,7 +23,7 @@
 #include "rtc_base/numerics/safe_conversions.h"
 #include "system_wrappers/include/clock.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/acm2/acm_send_test.cc b/modules/audio_coding/acm2/acm_send_test.cc
index cf9c8eb..98d673f 100644
--- a/modules/audio_coding/acm2/acm_send_test.cc
+++ b/modules/audio_coding/acm2/acm_send_test.cc
@@ -22,7 +22,7 @@
 #include "modules/audio_coding/neteq/tools/input_audio_file.h"
 #include "modules/audio_coding/neteq/tools/packet.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/stringencode.h"
+#include "rtc_base/string_encode.h"
 #include "test/gtest.h"
 
 namespace webrtc {
diff --git a/modules/audio_coding/acm2/acm_send_test.h b/modules/audio_coding/acm2/acm_send_test.h
index 3479de0..24d230b 100644
--- a/modules/audio_coding/acm2/acm_send_test.h
+++ b/modules/audio_coding/acm2/acm_send_test.h
@@ -17,7 +17,7 @@
 #include "api/audio/audio_frame.h"
 #include "modules/audio_coding/include/audio_coding_module.h"
 #include "modules/audio_coding/neteq/tools/packet_source.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "system_wrappers/include/clock.h"
 
 namespace webrtc {
diff --git a/modules/audio_coding/acm2/audio_coding_module.cc b/modules/audio_coding/acm2/audio_coding_module.cc
index 60da679..2ce768b 100644
--- a/modules/audio_coding/acm2/audio_coding_module.cc
+++ b/modules/audio_coding/acm2/audio_coding_module.cc
@@ -22,7 +22,7 @@
 #include "modules/include/module_common_types_public.h"
 #include "rtc_base/buffer.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/logging.h"
 #include "rtc_base/numerics/safe_conversions.h"
 #include "rtc_base/thread_annotations.h"
diff --git a/modules/audio_coding/acm2/audio_coding_module_unittest.cc b/modules/audio_coding/acm2/audio_coding_module_unittest.cc
index a016481..5037bc6 100644
--- a/modules/audio_coding/acm2/audio_coding_module_unittest.cc
+++ b/modules/audio_coding/acm2/audio_coding_module_unittest.cc
@@ -34,12 +34,12 @@
 #include "modules/audio_coding/neteq/tools/output_wav_file.h"
 #include "modules/audio_coding/neteq/tools/packet.h"
 #include "modules/audio_coding/neteq/tools/rtp_file_source.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/event.h"
-#include "rtc_base/messagedigest.h"
+#include "rtc_base/message_digest.h"
 #include "rtc_base/numerics/safe_conversions.h"
 #include "rtc_base/platform_thread.h"
-#include "rtc_base/refcountedobject.h"
+#include "rtc_base/ref_counted_object.h"
 #include "rtc_base/system/arch.h"
 #include "rtc_base/thread_annotations.h"
 #include "system_wrappers/include/clock.h"
@@ -47,7 +47,7 @@
 #include "test/gtest.h"
 #include "test/mock_audio_decoder.h"
 #include "test/mock_audio_encoder.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 using ::testing::AtLeast;
 using ::testing::Invoke;
diff --git a/modules/audio_coding/audio_network_adaptor/audio_network_adaptor_impl.cc b/modules/audio_coding/audio_network_adaptor/audio_network_adaptor_impl.cc
index 9e47a06..6731d50 100644
--- a/modules/audio_coding/audio_network_adaptor/audio_network_adaptor_impl.cc
+++ b/modules/audio_coding/audio_network_adaptor/audio_network_adaptor_impl.cc
@@ -18,7 +18,7 @@
 #include "modules/audio_coding/audio_network_adaptor/debug_dump_writer.h"
 #include "modules/audio_coding/audio_network_adaptor/event_log_writer.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 #include "system_wrappers/include/field_trial.h"
 
 namespace webrtc {
diff --git a/modules/audio_coding/audio_network_adaptor/audio_network_adaptor_impl.h b/modules/audio_coding/audio_network_adaptor/audio_network_adaptor_impl.h
index 4c1c19b..fc2358b 100644
--- a/modules/audio_coding/audio_network_adaptor/audio_network_adaptor_impl.h
+++ b/modules/audio_coding/audio_network_adaptor/audio_network_adaptor_impl.h
@@ -20,7 +20,7 @@
 #include "modules/audio_coding/audio_network_adaptor/debug_dump_writer.h"
 #include "modules/audio_coding/audio_network_adaptor/include/audio_network_adaptor.h"
 #include "modules/audio_coding/audio_network_adaptor/include/audio_network_adaptor_config.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/audio_network_adaptor/audio_network_adaptor_impl_unittest.cc b/modules/audio_coding/audio_network_adaptor/audio_network_adaptor_impl_unittest.cc
index be9550a..76531d0 100644
--- a/modules/audio_coding/audio_network_adaptor/audio_network_adaptor_impl_unittest.cc
+++ b/modules/audio_coding/audio_network_adaptor/audio_network_adaptor_impl_unittest.cc
@@ -18,7 +18,7 @@
 #include "modules/audio_coding/audio_network_adaptor/mock/mock_controller.h"
 #include "modules/audio_coding/audio_network_adaptor/mock/mock_controller_manager.h"
 #include "modules/audio_coding/audio_network_adaptor/mock/mock_debug_dump_writer.h"
-#include "rtc_base/fakeclock.h"
+#include "rtc_base/fake_clock.h"
 #include "test/field_trial.h"
 #include "test/gtest.h"
 
diff --git a/modules/audio_coding/audio_network_adaptor/bitrate_controller.h b/modules/audio_coding/audio_network_adaptor/bitrate_controller.h
index 6b6330b..41bfbd1 100644
--- a/modules/audio_coding/audio_network_adaptor/bitrate_controller.h
+++ b/modules/audio_coding/audio_network_adaptor/bitrate_controller.h
@@ -16,7 +16,7 @@
 #include "absl/types/optional.h"
 #include "modules/audio_coding/audio_network_adaptor/controller.h"
 #include "modules/audio_coding/audio_network_adaptor/include/audio_network_adaptor_config.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 namespace audio_network_adaptor {
diff --git a/modules/audio_coding/audio_network_adaptor/channel_controller.h b/modules/audio_coding/audio_network_adaptor/channel_controller.h
index 0d775b1..f211f40 100644
--- a/modules/audio_coding/audio_network_adaptor/channel_controller.h
+++ b/modules/audio_coding/audio_network_adaptor/channel_controller.h
@@ -16,7 +16,7 @@
 #include "absl/types/optional.h"
 #include "modules/audio_coding/audio_network_adaptor/controller.h"
 #include "modules/audio_coding/audio_network_adaptor/include/audio_network_adaptor_config.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/audio_network_adaptor/controller_manager.cc b/modules/audio_coding/audio_network_adaptor/controller_manager.cc
index 6c99561..91c359d 100644
--- a/modules/audio_coding/audio_network_adaptor/controller_manager.cc
+++ b/modules/audio_coding/audio_network_adaptor/controller_manager.cc
@@ -22,7 +22,7 @@
 #include "modules/audio_coding/audio_network_adaptor/frame_length_controller.h"
 #include "modules/audio_coding/audio_network_adaptor/util/threshold_curve.h"
 #include "rtc_base/ignore_wundef.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 
 #if WEBRTC_ENABLE_PROTOBUF
 RTC_PUSH_IGNORING_WUNDEF()
diff --git a/modules/audio_coding/audio_network_adaptor/controller_manager.h b/modules/audio_coding/audio_network_adaptor/controller_manager.h
index 1ff9bbf..4980085 100644
--- a/modules/audio_coding/audio_network_adaptor/controller_manager.h
+++ b/modules/audio_coding/audio_network_adaptor/controller_manager.h
@@ -16,7 +16,7 @@
 #include <vector>
 
 #include "modules/audio_coding/audio_network_adaptor/controller.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/protobuf_utils.h"
 
 namespace webrtc {
diff --git a/modules/audio_coding/audio_network_adaptor/controller_manager_unittest.cc b/modules/audio_coding/audio_network_adaptor/controller_manager_unittest.cc
index 061e4aa..2bdea19 100644
--- a/modules/audio_coding/audio_network_adaptor/controller_manager_unittest.cc
+++ b/modules/audio_coding/audio_network_adaptor/controller_manager_unittest.cc
@@ -13,7 +13,7 @@
 #include "modules/audio_coding/audio_network_adaptor/controller_manager.h"
 #include "modules/audio_coding/audio_network_adaptor/mock/mock_controller.h"
 #include "modules/audio_coding/audio_network_adaptor/mock/mock_debug_dump_writer.h"
-#include "rtc_base/fakeclock.h"
+#include "rtc_base/fake_clock.h"
 #include "rtc_base/ignore_wundef.h"
 #include "rtc_base/protobuf_utils.h"
 #include "test/gtest.h"
diff --git a/modules/audio_coding/audio_network_adaptor/debug_dump_writer.h b/modules/audio_coding/audio_network_adaptor/debug_dump_writer.h
index b464eb6..367f659 100644
--- a/modules/audio_coding/audio_network_adaptor/debug_dump_writer.h
+++ b/modules/audio_coding/audio_network_adaptor/debug_dump_writer.h
@@ -15,7 +15,7 @@
 
 #include "modules/audio_coding/audio_network_adaptor/controller.h"
 #include "modules/audio_coding/audio_network_adaptor/include/audio_network_adaptor.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/ignore_wundef.h"
 #include "rtc_base/system/file_wrapper.h"
 #if WEBRTC_ENABLE_PROTOBUF
diff --git a/modules/audio_coding/audio_network_adaptor/dtx_controller.h b/modules/audio_coding/audio_network_adaptor/dtx_controller.h
index d3334ec..83fdf3d 100644
--- a/modules/audio_coding/audio_network_adaptor/dtx_controller.h
+++ b/modules/audio_coding/audio_network_adaptor/dtx_controller.h
@@ -14,7 +14,7 @@
 #include "absl/types/optional.h"
 #include "modules/audio_coding/audio_network_adaptor/controller.h"
 #include "modules/audio_coding/audio_network_adaptor/include/audio_network_adaptor_config.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/audio_network_adaptor/event_log_writer.h b/modules/audio_coding/audio_network_adaptor/event_log_writer.h
index 72b5245..c5e57e6 100644
--- a/modules/audio_coding/audio_network_adaptor/event_log_writer.h
+++ b/modules/audio_coding/audio_network_adaptor/event_log_writer.h
@@ -12,7 +12,7 @@
 #define MODULES_AUDIO_CODING_AUDIO_NETWORK_ADAPTOR_EVENT_LOG_WRITER_H_
 
 #include "modules/audio_coding/audio_network_adaptor/include/audio_network_adaptor_config.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 class RtcEventLog;
diff --git a/modules/audio_coding/audio_network_adaptor/fec_controller_plr_based.h b/modules/audio_coding/audio_network_adaptor/fec_controller_plr_based.h
index b7d3d56..87afe2e 100644
--- a/modules/audio_coding/audio_network_adaptor/fec_controller_plr_based.h
+++ b/modules/audio_coding/audio_network_adaptor/fec_controller_plr_based.h
@@ -18,7 +18,7 @@
 #include "modules/audio_coding/audio_network_adaptor/controller.h"
 #include "modules/audio_coding/audio_network_adaptor/include/audio_network_adaptor_config.h"
 #include "modules/audio_coding/audio_network_adaptor/util/threshold_curve.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/audio_network_adaptor/fec_controller_rplr_based.h b/modules/audio_coding/audio_network_adaptor/fec_controller_rplr_based.h
index 421cb70..c547bff 100644
--- a/modules/audio_coding/audio_network_adaptor/fec_controller_rplr_based.h
+++ b/modules/audio_coding/audio_network_adaptor/fec_controller_rplr_based.h
@@ -15,7 +15,7 @@
 #include "modules/audio_coding/audio_network_adaptor/controller.h"
 #include "modules/audio_coding/audio_network_adaptor/include/audio_network_adaptor_config.h"
 #include "modules/audio_coding/audio_network_adaptor/util/threshold_curve.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/audio_network_adaptor/frame_length_controller.h b/modules/audio_coding/audio_network_adaptor/frame_length_controller.h
index c852704..e182247 100644
--- a/modules/audio_coding/audio_network_adaptor/frame_length_controller.h
+++ b/modules/audio_coding/audio_network_adaptor/frame_length_controller.h
@@ -18,7 +18,7 @@
 #include "absl/types/optional.h"
 #include "modules/audio_coding/audio_network_adaptor/controller.h"
 #include "modules/audio_coding/audio_network_adaptor/include/audio_network_adaptor_config.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/codecs/cng/audio_encoder_cng_unittest.cc b/modules/audio_coding/codecs/cng/audio_encoder_cng_unittest.cc
index e3655b4..3ecefd4 100644
--- a/modules/audio_coding/codecs/cng/audio_encoder_cng_unittest.cc
+++ b/modules/audio_coding/codecs/cng/audio_encoder_cng_unittest.cc
@@ -13,7 +13,7 @@
 
 #include "common_audio/vad/mock/mock_vad.h"
 #include "modules/audio_coding/codecs/cng/audio_encoder_cng.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/numerics/safe_conversions.h"
 #include "test/gtest.h"
 #include "test/mock_audio_encoder.h"
diff --git a/modules/audio_coding/codecs/cng/cng_unittest.cc b/modules/audio_coding/codecs/cng/cng_unittest.cc
index 81688b1..80349e2 100644
--- a/modules/audio_coding/codecs/cng/cng_unittest.cc
+++ b/modules/audio_coding/codecs/cng/cng_unittest.cc
@@ -12,7 +12,7 @@
 
 #include "modules/audio_coding/codecs/cng/webrtc_cng.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/codecs/g711/audio_decoder_pcm.h b/modules/audio_coding/codecs/g711/audio_decoder_pcm.h
index 9a01b8a..8fae71c 100644
--- a/modules/audio_coding/codecs/g711/audio_decoder_pcm.h
+++ b/modules/audio_coding/codecs/g711/audio_decoder_pcm.h
@@ -18,7 +18,7 @@
 #include "api/audio_codecs/audio_decoder.h"
 #include "rtc_base/buffer.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/codecs/g711/audio_encoder_pcm.h b/modules/audio_coding/codecs/g711/audio_encoder_pcm.h
index 88668d9..e41c2a3 100644
--- a/modules/audio_coding/codecs/g711/audio_encoder_pcm.h
+++ b/modules/audio_coding/codecs/g711/audio_encoder_pcm.h
@@ -14,7 +14,7 @@
 #include <vector>
 
 #include "api/audio_codecs/audio_encoder.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/codecs/g722/audio_decoder_g722.h b/modules/audio_coding/codecs/g722/audio_decoder_g722.h
index 3240448..6911e0b 100644
--- a/modules/audio_coding/codecs/g722/audio_decoder_g722.h
+++ b/modules/audio_coding/codecs/g722/audio_decoder_g722.h
@@ -12,7 +12,7 @@
 #define MODULES_AUDIO_CODING_CODECS_G722_AUDIO_DECODER_G722_H_
 
 #include "api/audio_codecs/audio_decoder.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 typedef struct WebRtcG722DecInst G722DecInst;
 
diff --git a/modules/audio_coding/codecs/g722/audio_encoder_g722.h b/modules/audio_coding/codecs/g722/audio_encoder_g722.h
index d0d23ca..cf45fb5 100644
--- a/modules/audio_coding/codecs/g722/audio_encoder_g722.h
+++ b/modules/audio_coding/codecs/g722/audio_encoder_g722.h
@@ -17,7 +17,7 @@
 #include "api/audio_codecs/g722/audio_encoder_g722_config.h"
 #include "modules/audio_coding/codecs/g722/g722_interface.h"
 #include "rtc_base/buffer.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/codecs/ilbc/audio_decoder_ilbc.h b/modules/audio_coding/codecs/ilbc/audio_decoder_ilbc.h
index fcb2074..d73ef0d 100644
--- a/modules/audio_coding/codecs/ilbc/audio_decoder_ilbc.h
+++ b/modules/audio_coding/codecs/ilbc/audio_decoder_ilbc.h
@@ -17,7 +17,7 @@
 
 #include "api/audio_codecs/audio_decoder.h"
 #include "rtc_base/buffer.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 typedef struct iLBC_decinst_t_ IlbcDecoderInstance;
 
diff --git a/modules/audio_coding/codecs/ilbc/audio_encoder_ilbc.h b/modules/audio_coding/codecs/ilbc/audio_encoder_ilbc.h
index 675dc7d..ada613b 100644
--- a/modules/audio_coding/codecs/ilbc/audio_encoder_ilbc.h
+++ b/modules/audio_coding/codecs/ilbc/audio_encoder_ilbc.h
@@ -14,7 +14,7 @@
 #include "api/audio_codecs/audio_encoder.h"
 #include "api/audio_codecs/ilbc/audio_encoder_ilbc_config.h"
 #include "modules/audio_coding/codecs/ilbc/ilbc.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/codecs/isac/audio_decoder_isac_t.h b/modules/audio_coding/codecs/isac/audio_decoder_isac_t.h
index f840ffa..ab9a6ed 100644
--- a/modules/audio_coding/codecs/isac/audio_decoder_isac_t.h
+++ b/modules/audio_coding/codecs/isac/audio_decoder_isac_t.h
@@ -16,7 +16,7 @@
 #include "absl/types/optional.h"
 #include "api/audio_codecs/audio_decoder.h"
 #include "modules/audio_coding/codecs/isac/locked_bandwidth_info.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/scoped_ref_ptr.h"
 
 namespace webrtc {
diff --git a/modules/audio_coding/codecs/isac/audio_encoder_isac_t.h b/modules/audio_coding/codecs/isac/audio_encoder_isac_t.h
index 2989898..91eb1fd 100644
--- a/modules/audio_coding/codecs/isac/audio_encoder_isac_t.h
+++ b/modules/audio_coding/codecs/isac/audio_encoder_isac_t.h
@@ -15,7 +15,7 @@
 
 #include "api/audio_codecs/audio_encoder.h"
 #include "modules/audio_coding/codecs/isac/locked_bandwidth_info.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/scoped_ref_ptr.h"
 
 namespace webrtc {
diff --git a/modules/audio_coding/codecs/isac/locked_bandwidth_info.h b/modules/audio_coding/codecs/isac/locked_bandwidth_info.h
index 37074f8..0b1bc7d 100644
--- a/modules/audio_coding/codecs/isac/locked_bandwidth_info.h
+++ b/modules/audio_coding/codecs/isac/locked_bandwidth_info.h
@@ -12,8 +12,8 @@
 #define MODULES_AUDIO_CODING_CODECS_ISAC_LOCKED_BANDWIDTH_INFO_H_
 
 #include "modules/audio_coding/codecs/isac/bandwidth_info.h"
-#include "rtc_base/atomicops.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/atomic_ops.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/thread_annotations.h"
 
 namespace webrtc {
diff --git a/modules/audio_coding/codecs/isac/main/source/isac_unittest.cc b/modules/audio_coding/codecs/isac/main/source/isac_unittest.cc
index 3ec28cc..6d9b013 100644
--- a/modules/audio_coding/codecs/isac/main/source/isac_unittest.cc
+++ b/modules/audio_coding/codecs/isac/main/source/isac_unittest.cc
@@ -11,7 +11,7 @@
 
 #include "modules/audio_coding/codecs/isac/main/include/isac.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 struct WebRtcISACStruct;
 
diff --git a/modules/audio_coding/codecs/isac/unittest.cc b/modules/audio_coding/codecs/isac/unittest.cc
index 5855d56..6791745 100644
--- a/modules/audio_coding/codecs/isac/unittest.cc
+++ b/modules/audio_coding/codecs/isac/unittest.cc
@@ -19,7 +19,7 @@
 #include "rtc_base/numerics/safe_conversions.h"
 #include "rtc_base/strings/string_builder.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/codecs/opus/audio_decoder_opus.h b/modules/audio_coding/codecs/opus/audio_decoder_opus.h
index 8043425..d8cc5c1 100644
--- a/modules/audio_coding/codecs/opus/audio_decoder_opus.h
+++ b/modules/audio_coding/codecs/opus/audio_decoder_opus.h
@@ -18,7 +18,7 @@
 #include "api/audio_codecs/audio_decoder.h"
 #include "modules/audio_coding/codecs/opus/opus_interface.h"
 #include "rtc_base/buffer.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/codecs/opus/audio_encoder_opus.cc b/modules/audio_coding/codecs/opus/audio_encoder_opus.cc
index a5c4380..0b8f29f 100644
--- a/modules/audio_coding/codecs/opus/audio_encoder_opus.cc
+++ b/modules/audio_coding/codecs/opus/audio_encoder_opus.cc
@@ -27,7 +27,7 @@
 #include "rtc_base/numerics/safe_minmax.h"
 #include "rtc_base/protobuf_utils.h"
 #include "rtc_base/string_to_number.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 #include "system_wrappers/include/field_trial.h"
 
 namespace webrtc {
diff --git a/modules/audio_coding/codecs/opus/audio_encoder_opus.h b/modules/audio_coding/codecs/opus/audio_encoder_opus.h
index 7d051d5..4533d73 100644
--- a/modules/audio_coding/codecs/opus/audio_encoder_opus.h
+++ b/modules/audio_coding/codecs/opus/audio_encoder_opus.h
@@ -23,7 +23,7 @@
 #include "common_audio/smoothing_filter.h"
 #include "modules/audio_coding/audio_network_adaptor/include/audio_network_adaptor.h"
 #include "modules/audio_coding/codecs/opus/opus_interface.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/protobuf_utils.h"
 
 namespace webrtc {
diff --git a/modules/audio_coding/codecs/opus/audio_encoder_opus_unittest.cc b/modules/audio_coding/codecs/opus/audio_encoder_opus_unittest.cc
index a0e24da..6b34361 100644
--- a/modules/audio_coding/codecs/opus/audio_encoder_opus_unittest.cc
+++ b/modules/audio_coding/codecs/opus/audio_encoder_opus_unittest.cc
@@ -20,11 +20,11 @@
 #include "modules/audio_coding/codecs/opus/opus_interface.h"
 #include "modules/audio_coding/neteq/tools/audio_loop.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/fakeclock.h"
+#include "rtc_base/fake_clock.h"
 #include "test/field_trial.h"
 #include "test/gmock.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 using ::testing::NiceMock;
diff --git a/modules/audio_coding/codecs/opus/opus_bandwidth_unittest.cc b/modules/audio_coding/codecs/opus/opus_bandwidth_unittest.cc
index 7e6b626..2c8edf0 100644
--- a/modules/audio_coding/codecs/opus/opus_bandwidth_unittest.cc
+++ b/modules/audio_coding/codecs/opus/opus_bandwidth_unittest.cc
@@ -16,7 +16,7 @@
 #include "modules/audio_coding/neteq/tools/audio_loop.h"
 #include "test/field_trial.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 namespace {
diff --git a/modules/audio_coding/codecs/opus/opus_complexity_unittest.cc b/modules/audio_coding/codecs/opus/opus_complexity_unittest.cc
index 4c9174d..84bad33 100644
--- a/modules/audio_coding/codecs/opus/opus_complexity_unittest.cc
+++ b/modules/audio_coding/codecs/opus/opus_complexity_unittest.cc
@@ -11,9 +11,9 @@
 #include "api/audio_codecs/opus/audio_encoder_opus.h"
 #include "modules/audio_coding/neteq/tools/audio_loop.h"
 #include "rtc_base/format_macros.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 #include "test/testsupport/perf_test.h"
 
 namespace webrtc {
diff --git a/modules/audio_coding/codecs/opus/opus_fec_test.cc b/modules/audio_coding/codecs/opus/opus_fec_test.cc
index 4fab8a7..cd70821 100644
--- a/modules/audio_coding/codecs/opus/opus_fec_test.cc
+++ b/modules/audio_coding/codecs/opus/opus_fec_test.cc
@@ -13,7 +13,7 @@
 #include "modules/audio_coding/codecs/opus/opus_interface.h"
 #include "rtc_base/format_macros.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 using std::string;
 using std::tuple;
diff --git a/modules/audio_coding/codecs/opus/opus_unittest.cc b/modules/audio_coding/codecs/opus/opus_unittest.cc
index 034f8cd..e5f0464 100644
--- a/modules/audio_coding/codecs/opus/opus_unittest.cc
+++ b/modules/audio_coding/codecs/opus/opus_unittest.cc
@@ -17,7 +17,7 @@
 #include "rtc_base/checks.h"
 #include "rtc_base/numerics/safe_conversions.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/codecs/pcm16b/audio_decoder_pcm16b.h b/modules/audio_coding/codecs/pcm16b/audio_decoder_pcm16b.h
index 9b478d8..0334104 100644
--- a/modules/audio_coding/codecs/pcm16b/audio_decoder_pcm16b.h
+++ b/modules/audio_coding/codecs/pcm16b/audio_decoder_pcm16b.h
@@ -17,7 +17,7 @@
 
 #include "api/audio_codecs/audio_decoder.h"
 #include "rtc_base/buffer.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/codecs/pcm16b/audio_encoder_pcm16b.h b/modules/audio_coding/codecs/pcm16b/audio_encoder_pcm16b.h
index 6a20843..71c7572 100644
--- a/modules/audio_coding/codecs/pcm16b/audio_encoder_pcm16b.h
+++ b/modules/audio_coding/codecs/pcm16b/audio_encoder_pcm16b.h
@@ -12,7 +12,7 @@
 #define MODULES_AUDIO_CODING_CODECS_PCM16B_AUDIO_ENCODER_PCM16B_H_
 
 #include "modules/audio_coding/codecs/g711/audio_encoder_pcm.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/codecs/red/audio_encoder_copy_red.h b/modules/audio_coding/codecs/red/audio_encoder_copy_red.h
index 5a68876..f05de19 100644
--- a/modules/audio_coding/codecs/red/audio_encoder_copy_red.h
+++ b/modules/audio_coding/codecs/red/audio_encoder_copy_red.h
@@ -19,7 +19,7 @@
 #include "api/array_view.h"
 #include "api/audio_codecs/audio_encoder.h"
 #include "rtc_base/buffer.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/codecs/tools/audio_codec_speed_test.cc b/modules/audio_coding/codecs/tools/audio_codec_speed_test.cc
index c539152..1e6b4f0 100644
--- a/modules/audio_coding/codecs/tools/audio_codec_speed_test.cc
+++ b/modules/audio_coding/codecs/tools/audio_codec_speed_test.cc
@@ -12,7 +12,7 @@
 
 #include "rtc_base/format_macros.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 using ::std::get;
 
diff --git a/modules/audio_coding/neteq/accelerate.h b/modules/audio_coding/neteq/accelerate.h
index 1a3af42..124b633 100644
--- a/modules/audio_coding/neteq/accelerate.h
+++ b/modules/audio_coding/neteq/accelerate.h
@@ -15,7 +15,7 @@
 #include <stdint.h>
 
 #include "modules/audio_coding/neteq/time_stretch.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/audio_decoder_unittest.cc b/modules/audio_coding/neteq/audio_decoder_unittest.cc
index 1ad4835..42d96db 100644
--- a/modules/audio_coding/neteq/audio_decoder_unittest.cc
+++ b/modules/audio_coding/neteq/audio_decoder_unittest.cc
@@ -31,7 +31,7 @@
 #include "modules/audio_coding/codecs/pcm16b/audio_encoder_pcm16b.h"
 #include "modules/audio_coding/neteq/tools/resample_input_audio_file.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/audio_multi_vector.h b/modules/audio_coding/neteq/audio_multi_vector.h
index a2dd3c3..a21bf57 100644
--- a/modules/audio_coding/neteq/audio_multi_vector.h
+++ b/modules/audio_coding/neteq/audio_multi_vector.h
@@ -17,7 +17,7 @@
 
 #include "api/array_view.h"
 #include "modules/audio_coding/neteq/audio_vector.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/audio_vector.h b/modules/audio_coding/neteq/audio_vector.h
index d0db332..c8279da 100644
--- a/modules/audio_coding/neteq/audio_vector.h
+++ b/modules/audio_coding/neteq/audio_vector.h
@@ -16,7 +16,7 @@
 #include <memory>
 
 #include "rtc_base/checks.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/background_noise.h b/modules/audio_coding/neteq/background_noise.h
index 84d7eb9..d047942 100644
--- a/modules/audio_coding/neteq/background_noise.h
+++ b/modules/audio_coding/neteq/background_noise.h
@@ -14,7 +14,7 @@
 #include <string.h>  // size_t
 #include <memory>
 
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/buffer_level_filter.h b/modules/audio_coding/neteq/buffer_level_filter.h
index c8d27dc..83388fb 100644
--- a/modules/audio_coding/neteq/buffer_level_filter.h
+++ b/modules/audio_coding/neteq/buffer_level_filter.h
@@ -13,7 +13,7 @@
 
 #include <stddef.h>
 
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/comfort_noise.h b/modules/audio_coding/neteq/comfort_noise.h
index 3a9bfde..f748772 100644
--- a/modules/audio_coding/neteq/comfort_noise.h
+++ b/modules/audio_coding/neteq/comfort_noise.h
@@ -13,7 +13,7 @@
 
 #include <stddef.h>
 
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/decision_logic.h b/modules/audio_coding/neteq/decision_logic.h
index 2a53359..75f8a88 100644
--- a/modules/audio_coding/neteq/decision_logic.h
+++ b/modules/audio_coding/neteq/decision_logic.h
@@ -13,7 +13,7 @@
 
 #include "modules/audio_coding/neteq/defines.h"
 #include "modules/audio_coding/neteq/tick_timer.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/decoder_database.h b/modules/audio_coding/neteq/decoder_database.h
index f016337..1992272 100644
--- a/modules/audio_coding/neteq/decoder_database.h
+++ b/modules/audio_coding/neteq/decoder_database.h
@@ -19,7 +19,7 @@
 #include "api/audio_codecs/audio_format.h"
 #include "modules/audio_coding/codecs/cng/webrtc_cng.h"
 #include "modules/audio_coding/neteq/packet.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/scoped_ref_ptr.h"
 
 namespace webrtc {
diff --git a/modules/audio_coding/neteq/decoder_database_unittest.cc b/modules/audio_coding/neteq/decoder_database_unittest.cc
index 0d7e57a..9a28cac 100644
--- a/modules/audio_coding/neteq/decoder_database_unittest.cc
+++ b/modules/audio_coding/neteq/decoder_database_unittest.cc
@@ -15,7 +15,7 @@
 #include <string>
 
 #include "api/audio_codecs/builtin_audio_decoder_factory.h"
-#include "rtc_base/refcountedobject.h"
+#include "rtc_base/ref_counted_object.h"
 #include "test/gmock.h"
 #include "test/gtest.h"
 #include "test/mock_audio_decoder.h"
diff --git a/modules/audio_coding/neteq/delay_manager.h b/modules/audio_coding/neteq/delay_manager.h
index ce05bcc..25eaba3 100644
--- a/modules/audio_coding/neteq/delay_manager.h
+++ b/modules/audio_coding/neteq/delay_manager.h
@@ -18,7 +18,7 @@
 
 #include "absl/types/optional.h"
 #include "modules/audio_coding/neteq/tick_timer.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/delay_peak_detector.h b/modules/audio_coding/neteq/delay_peak_detector.h
index 5c74117..8cd198d 100644
--- a/modules/audio_coding/neteq/delay_peak_detector.h
+++ b/modules/audio_coding/neteq/delay_peak_detector.h
@@ -17,7 +17,7 @@
 #include <memory>
 
 #include "modules/audio_coding/neteq/tick_timer.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/dsp_helper.h b/modules/audio_coding/neteq/dsp_helper.h
index 8379461..82fe14e 100644
--- a/modules/audio_coding/neteq/dsp_helper.h
+++ b/modules/audio_coding/neteq/dsp_helper.h
@@ -16,7 +16,7 @@
 
 #include "modules/audio_coding/neteq/audio_multi_vector.h"
 #include "modules/audio_coding/neteq/audio_vector.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/dtmf_buffer.h b/modules/audio_coding/neteq/dtmf_buffer.h
index 24b14ec..a994e3a 100644
--- a/modules/audio_coding/neteq/dtmf_buffer.h
+++ b/modules/audio_coding/neteq/dtmf_buffer.h
@@ -15,7 +15,7 @@
 #include <stdint.h>
 #include <list>
 
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/dtmf_tone_generator.h b/modules/audio_coding/neteq/dtmf_tone_generator.h
index 22e166e..968bc7f 100644
--- a/modules/audio_coding/neteq/dtmf_tone_generator.h
+++ b/modules/audio_coding/neteq/dtmf_tone_generator.h
@@ -15,7 +15,7 @@
 #include <stdint.h>
 
 #include "modules/audio_coding/neteq/audio_multi_vector.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/expand.h b/modules/audio_coding/neteq/expand.h
index 30c34a2..7c041b8 100644
--- a/modules/audio_coding/neteq/expand.h
+++ b/modules/audio_coding/neteq/expand.h
@@ -15,7 +15,7 @@
 #include <memory>
 
 #include "modules/audio_coding/neteq/audio_vector.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/expand_uma_logger.h b/modules/audio_coding/neteq/expand_uma_logger.h
index bd079c6..7cb11b1 100644
--- a/modules/audio_coding/neteq/expand_uma_logger.h
+++ b/modules/audio_coding/neteq/expand_uma_logger.h
@@ -16,7 +16,7 @@
 
 #include "absl/types/optional.h"
 #include "modules/audio_coding/neteq/tick_timer.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/expand_unittest.cc b/modules/audio_coding/neteq/expand_unittest.cc
index 09914da..4c8c174 100644
--- a/modules/audio_coding/neteq/expand_unittest.cc
+++ b/modules/audio_coding/neteq/expand_unittest.cc
@@ -20,7 +20,7 @@
 #include "modules/audio_coding/neteq/tools/resample_input_audio_file.h"
 #include "rtc_base/numerics/safe_conversions.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/include/neteq.h b/modules/audio_coding/neteq/include/neteq.h
index dec49c1..6eecc65 100644
--- a/modules/audio_coding/neteq/include/neteq.h
+++ b/modules/audio_coding/neteq/include/neteq.h
@@ -23,7 +23,7 @@
 #include "api/audio_codecs/audio_format.h"
 #include "api/rtp_headers.h"
 #include "modules/audio_coding/neteq/defines.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/scoped_ref_ptr.h"
 
 namespace webrtc {
diff --git a/modules/audio_coding/neteq/merge.h b/modules/audio_coding/neteq/merge.h
index e7e0bf9..a062a95 100644
--- a/modules/audio_coding/neteq/merge.h
+++ b/modules/audio_coding/neteq/merge.h
@@ -12,7 +12,7 @@
 #define MODULES_AUDIO_CODING_NETEQ_MERGE_H_
 
 #include "modules/audio_coding/neteq/audio_multi_vector.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/neteq_decoder_plc_unittest.cc b/modules/audio_coding/neteq/neteq_decoder_plc_unittest.cc
index 0474e4a..21b15a9 100644
--- a/modules/audio_coding/neteq/neteq_decoder_plc_unittest.cc
+++ b/modules/audio_coding/neteq/neteq_decoder_plc_unittest.cc
@@ -24,10 +24,10 @@
 #include "modules/audio_coding/neteq/tools/input_audio_file.h"
 #include "modules/audio_coding/neteq/tools/neteq_test.h"
 #include "rtc_base/numerics/safe_conversions.h"
-#include "rtc_base/refcountedobject.h"
+#include "rtc_base/ref_counted_object.h"
 #include "test/audio_decoder_proxy_factory.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 namespace test {
diff --git a/modules/audio_coding/neteq/neteq_external_decoder_unittest.cc b/modules/audio_coding/neteq/neteq_external_decoder_unittest.cc
index 6daa42e..8214ed2 100644
--- a/modules/audio_coding/neteq/neteq_external_decoder_unittest.cc
+++ b/modules/audio_coding/neteq/neteq_external_decoder_unittest.cc
@@ -20,7 +20,7 @@
 #include "modules/audio_coding/neteq/tools/rtp_generator.h"
 #include "rtc_base/strings/string_builder.h"
 #include "test/gmock.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/neteq_impl.h b/modules/audio_coding/neteq/neteq_impl.h
index 4dcab2a..d239627 100644
--- a/modules/audio_coding/neteq/neteq_impl.h
+++ b/modules/audio_coding/neteq/neteq_impl.h
@@ -24,8 +24,8 @@
 #include "modules/audio_coding/neteq/random_vector.h"
 #include "modules/audio_coding/neteq/statistics_calculator.h"
 #include "modules/audio_coding/neteq/tick_timer.h"
-#include "rtc_base/constructormagic.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/constructor_magic.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/thread_annotations.h"
 
 namespace webrtc {
diff --git a/modules/audio_coding/neteq/neteq_network_stats_unittest.cc b/modules/audio_coding/neteq/neteq_network_stats_unittest.cc
index 72a75d1..79059b7 100644
--- a/modules/audio_coding/neteq/neteq_network_stats_unittest.cc
+++ b/modules/audio_coding/neteq/neteq_network_stats_unittest.cc
@@ -17,7 +17,7 @@
 
 #include "modules/audio_coding/neteq/include/neteq.h"
 #include "modules/audio_coding/neteq/tools/rtp_generator.h"
-#include "rtc_base/refcountedobject.h"
+#include "rtc_base/ref_counted_object.h"
 #include "test/audio_decoder_proxy_factory.h"
 #include "test/gmock.h"
 
diff --git a/modules/audio_coding/neteq/neteq_stereo_unittest.cc b/modules/audio_coding/neteq/neteq_stereo_unittest.cc
index 85dfc08..289a38d 100644
--- a/modules/audio_coding/neteq/neteq_stereo_unittest.cc
+++ b/modules/audio_coding/neteq/neteq_stereo_unittest.cc
@@ -23,7 +23,7 @@
 #include "modules/audio_coding/neteq/tools/rtp_generator.h"
 #include "rtc_base/strings/string_builder.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/neteq_unittest.cc b/modules/audio_coding/neteq/neteq_unittest.cc
index 6e00413..b562ede 100644
--- a/modules/audio_coding/neteq/neteq_unittest.cc
+++ b/modules/audio_coding/neteq/neteq_unittest.cc
@@ -31,15 +31,15 @@
 #include "modules/rtp_rtcp/include/rtcp_statistics.h"
 #include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
 #include "rtc_base/ignore_wundef.h"
-#include "rtc_base/messagedigest.h"
+#include "rtc_base/message_digest.h"
 #include "rtc_base/numerics/safe_conversions.h"
 #include "rtc_base/protobuf_utils.h"
-#include "rtc_base/stringencode.h"
+#include "rtc_base/string_encode.h"
 #include "rtc_base/strings/string_builder.h"
 #include "rtc_base/system/arch.h"
 #include "test/field_trial.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 // This must come after test/gtest.h
 #include "rtc_base/flags.h"  // NOLINT(build/include)
diff --git a/modules/audio_coding/neteq/normal.h b/modules/audio_coding/neteq/normal.h
index 80451b5..2059c5a 100644
--- a/modules/audio_coding/neteq/normal.h
+++ b/modules/audio_coding/neteq/normal.h
@@ -16,7 +16,7 @@
 
 #include "modules/audio_coding/neteq/defines.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/numerics/safe_conversions.h"
 
 namespace webrtc {
diff --git a/modules/audio_coding/neteq/packet_buffer.h b/modules/audio_coding/neteq/packet_buffer.h
index 0f5cd7f..c594d19 100644
--- a/modules/audio_coding/neteq/packet_buffer.h
+++ b/modules/audio_coding/neteq/packet_buffer.h
@@ -15,7 +15,7 @@
 #include "modules/audio_coding/neteq/decoder_database.h"
 #include "modules/audio_coding/neteq/packet.h"
 #include "modules/include/module_common_types_public.h"  // IsNewerTimestamp
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/post_decode_vad.h b/modules/audio_coding/neteq/post_decode_vad.h
index 27d69a6..ca7cabfd 100644
--- a/modules/audio_coding/neteq/post_decode_vad.h
+++ b/modules/audio_coding/neteq/post_decode_vad.h
@@ -16,7 +16,7 @@
 
 #include "api/audio_codecs/audio_decoder.h"
 #include "common_audio/vad/include/webrtc_vad.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/preemptive_expand.h b/modules/audio_coding/neteq/preemptive_expand.h
index 0f7b3bc..e7d2bad 100644
--- a/modules/audio_coding/neteq/preemptive_expand.h
+++ b/modules/audio_coding/neteq/preemptive_expand.h
@@ -15,7 +15,7 @@
 #include <stdint.h>
 
 #include "modules/audio_coding/neteq/time_stretch.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/random_vector.h b/modules/audio_coding/neteq/random_vector.h
index e8c7ba8..1d37600 100644
--- a/modules/audio_coding/neteq/random_vector.h
+++ b/modules/audio_coding/neteq/random_vector.h
@@ -14,7 +14,7 @@
 #include <stddef.h>
 #include <stdint.h>
 
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/red_payload_splitter.h b/modules/audio_coding/neteq/red_payload_splitter.h
index 55063e7..c2e0a44 100644
--- a/modules/audio_coding/neteq/red_payload_splitter.h
+++ b/modules/audio_coding/neteq/red_payload_splitter.h
@@ -12,7 +12,7 @@
 #define MODULES_AUDIO_CODING_NETEQ_RED_PAYLOAD_SPLITTER_H_
 
 #include "modules/audio_coding/neteq/packet.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/statistics_calculator.h b/modules/audio_coding/neteq/statistics_calculator.h
index 49b74a0..1dee643 100644
--- a/modules/audio_coding/neteq/statistics_calculator.h
+++ b/modules/audio_coding/neteq/statistics_calculator.h
@@ -15,7 +15,7 @@
 #include <string>
 
 #include "modules/audio_coding/neteq/include/neteq.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/sync_buffer.h b/modules/audio_coding/neteq/sync_buffer.h
index d645e91..7f6c111 100644
--- a/modules/audio_coding/neteq/sync_buffer.h
+++ b/modules/audio_coding/neteq/sync_buffer.h
@@ -19,7 +19,7 @@
 #include "modules/audio_coding/neteq/audio_multi_vector.h"
 #include "modules/audio_coding/neteq/audio_vector.h"
 #include "rtc_base/buffer.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/test/neteq_ilbc_quality_test.cc b/modules/audio_coding/neteq/test/neteq_ilbc_quality_test.cc
index b88c856..09b3728 100644
--- a/modules/audio_coding/neteq/test/neteq_ilbc_quality_test.cc
+++ b/modules/audio_coding/neteq/test/neteq_ilbc_quality_test.cc
@@ -15,7 +15,7 @@
 #include "rtc_base/checks.h"
 #include "rtc_base/flags.h"
 #include "rtc_base/numerics/safe_conversions.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 using testing::InitGoogleTest;
 
diff --git a/modules/audio_coding/neteq/test/neteq_pcm16b_quality_test.cc b/modules/audio_coding/neteq/test/neteq_pcm16b_quality_test.cc
index cd38433..3557b11 100644
--- a/modules/audio_coding/neteq/test/neteq_pcm16b_quality_test.cc
+++ b/modules/audio_coding/neteq/test/neteq_pcm16b_quality_test.cc
@@ -16,7 +16,7 @@
 #include "rtc_base/checks.h"
 #include "rtc_base/flags.h"
 #include "rtc_base/numerics/safe_conversions.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 using testing::InitGoogleTest;
 
diff --git a/modules/audio_coding/neteq/test/neteq_pcmu_quality_test.cc b/modules/audio_coding/neteq/test/neteq_pcmu_quality_test.cc
index 421e5f2..ce399a4 100644
--- a/modules/audio_coding/neteq/test/neteq_pcmu_quality_test.cc
+++ b/modules/audio_coding/neteq/test/neteq_pcmu_quality_test.cc
@@ -15,7 +15,7 @@
 #include "rtc_base/checks.h"
 #include "rtc_base/flags.h"
 #include "rtc_base/numerics/safe_conversions.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 using testing::InitGoogleTest;
 
diff --git a/modules/audio_coding/neteq/tick_timer.h b/modules/audio_coding/neteq/tick_timer.h
index 02f083e..724dd12 100644
--- a/modules/audio_coding/neteq/tick_timer.h
+++ b/modules/audio_coding/neteq/tick_timer.h
@@ -15,7 +15,7 @@
 #include <memory>
 
 #include "rtc_base/checks.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/time_stretch.h b/modules/audio_coding/neteq/time_stretch.h
index 13ad2c8..9f86649 100644
--- a/modules/audio_coding/neteq/time_stretch.h
+++ b/modules/audio_coding/neteq/time_stretch.h
@@ -15,7 +15,7 @@
 #include <string.h>  // memset, size_t
 
 #include "modules/audio_coding/neteq/audio_multi_vector.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/time_stretch_unittest.cc b/modules/audio_coding/neteq/time_stretch_unittest.cc
index c96c7d4..6fced38 100644
--- a/modules/audio_coding/neteq/time_stretch_unittest.cc
+++ b/modules/audio_coding/neteq/time_stretch_unittest.cc
@@ -21,7 +21,7 @@
 #include "modules/audio_coding/neteq/tools/input_audio_file.h"
 #include "rtc_base/checks.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/timestamp_scaler.h b/modules/audio_coding/neteq/timestamp_scaler.h
index 62f535c..93cb953 100644
--- a/modules/audio_coding/neteq/timestamp_scaler.h
+++ b/modules/audio_coding/neteq/timestamp_scaler.h
@@ -12,7 +12,7 @@
 #define MODULES_AUDIO_CODING_NETEQ_TIMESTAMP_SCALER_H_
 
 #include "modules/audio_coding/neteq/packet.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/tools/audio_checksum.h b/modules/audio_coding/neteq/tools/audio_checksum.h
index ee8c582..e4306fa 100644
--- a/modules/audio_coding/neteq/tools/audio_checksum.h
+++ b/modules/audio_coding/neteq/tools/audio_checksum.h
@@ -16,9 +16,9 @@
 
 #include "modules/audio_coding/neteq/tools/audio_sink.h"
 #include "rtc_base/buffer.h"
-#include "rtc_base/constructormagic.h"
-#include "rtc_base/messagedigest.h"
-#include "rtc_base/stringencode.h"
+#include "rtc_base/constructor_magic.h"
+#include "rtc_base/message_digest.h"
+#include "rtc_base/string_encode.h"
 #include "rtc_base/system/arch.h"
 
 namespace webrtc {
diff --git a/modules/audio_coding/neteq/tools/audio_loop.h b/modules/audio_coding/neteq/tools/audio_loop.h
index c7788a6..cd764cc 100644
--- a/modules/audio_coding/neteq/tools/audio_loop.h
+++ b/modules/audio_coding/neteq/tools/audio_loop.h
@@ -15,7 +15,7 @@
 #include <string>
 
 #include "api/array_view.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 namespace test {
diff --git a/modules/audio_coding/neteq/tools/audio_sink.h b/modules/audio_coding/neteq/tools/audio_sink.h
index be2a315..68825eb 100644
--- a/modules/audio_coding/neteq/tools/audio_sink.h
+++ b/modules/audio_coding/neteq/tools/audio_sink.h
@@ -12,7 +12,7 @@
 #define MODULES_AUDIO_CODING_NETEQ_TOOLS_AUDIO_SINK_H_
 
 #include "api/audio/audio_frame.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 namespace test {
diff --git a/modules/audio_coding/neteq/tools/constant_pcm_packet_source.h b/modules/audio_coding/neteq/tools/constant_pcm_packet_source.h
index 117fabd..7adb15b 100644
--- a/modules/audio_coding/neteq/tools/constant_pcm_packet_source.h
+++ b/modules/audio_coding/neteq/tools/constant_pcm_packet_source.h
@@ -15,7 +15,7 @@
 #include <string>
 
 #include "modules/audio_coding/neteq/tools/packet_source.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 namespace test {
diff --git a/modules/audio_coding/neteq/tools/input_audio_file.h b/modules/audio_coding/neteq/tools/input_audio_file.h
index b36dc24..4335a99 100644
--- a/modules/audio_coding/neteq/tools/input_audio_file.h
+++ b/modules/audio_coding/neteq/tools/input_audio_file.h
@@ -15,7 +15,7 @@
 
 #include <string>
 
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 namespace test {
diff --git a/modules/audio_coding/neteq/tools/neteq_performance_test.cc b/modules/audio_coding/neteq/tools/neteq_performance_test.cc
index bd78ca4..61f52bb 100644
--- a/modules/audio_coding/neteq/tools/neteq_performance_test.cc
+++ b/modules/audio_coding/neteq/tools/neteq_performance_test.cc
@@ -18,7 +18,7 @@
 #include "modules/audio_coding/neteq/tools/rtp_generator.h"
 #include "rtc_base/checks.h"
 #include "system_wrappers/include/clock.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 using webrtc::NetEq;
 using webrtc::test::AudioLoop;
diff --git a/modules/audio_coding/neteq/tools/neteq_quality_test.cc b/modules/audio_coding/neteq/tools/neteq_quality_test.cc
index 5a38255..a0e7667 100644
--- a/modules/audio_coding/neteq/tools/neteq_quality_test.cc
+++ b/modules/audio_coding/neteq/tools/neteq_quality_test.cc
@@ -17,7 +17,7 @@
 #include "modules/audio_coding/neteq/tools/output_wav_file.h"
 #include "modules/audio_coding/neteq/tools/resample_input_audio_file.h"
 #include "rtc_base/checks.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 namespace test {
diff --git a/modules/audio_coding/neteq/tools/neteq_stats_getter.cc b/modules/audio_coding/neteq/tools/neteq_stats_getter.cc
index 1a52176..291fc24 100644
--- a/modules/audio_coding/neteq/tools/neteq_stats_getter.cc
+++ b/modules/audio_coding/neteq/tools/neteq_stats_getter.cc
@@ -16,7 +16,7 @@
 
 #include "rtc_base/checks.h"
 #include "rtc_base/strings/string_builder.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 
 namespace webrtc {
 namespace test {
diff --git a/modules/audio_coding/neteq/tools/neteq_test_factory.cc b/modules/audio_coding/neteq/tools/neteq_test_factory.cc
index 76ff56c..accaaed 100644
--- a/modules/audio_coding/neteq/tools/neteq_test_factory.cc
+++ b/modules/audio_coding/neteq/tools/neteq_test_factory.cc
@@ -38,9 +38,9 @@
 #include "modules/audio_coding/neteq/tools/rtp_file_source.h"
 #include "rtc_base/checks.h"
 #include "rtc_base/flags.h"
-#include "rtc_base/refcountedobject.h"
+#include "rtc_base/ref_counted_object.h"
 #include "test/function_audio_decoder_factory.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 namespace test {
diff --git a/modules/audio_coding/neteq/tools/output_audio_file.h b/modules/audio_coding/neteq/tools/output_audio_file.h
index 7e65bc2..c923a1e 100644
--- a/modules/audio_coding/neteq/tools/output_audio_file.h
+++ b/modules/audio_coding/neteq/tools/output_audio_file.h
@@ -16,7 +16,7 @@
 #include <string>
 
 #include "modules/audio_coding/neteq/tools/audio_sink.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 namespace test {
diff --git a/modules/audio_coding/neteq/tools/output_wav_file.h b/modules/audio_coding/neteq/tools/output_wav_file.h
index 031a8cb..3ffcfc6 100644
--- a/modules/audio_coding/neteq/tools/output_wav_file.h
+++ b/modules/audio_coding/neteq/tools/output_wav_file.h
@@ -15,7 +15,7 @@
 
 #include "common_audio/wav_file.h"
 #include "modules/audio_coding/neteq/tools/audio_sink.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 namespace test {
diff --git a/modules/audio_coding/neteq/tools/packet.h b/modules/audio_coding/neteq/tools/packet.h
index 1fe1000..5748ba2 100644
--- a/modules/audio_coding/neteq/tools/packet.h
+++ b/modules/audio_coding/neteq/tools/packet.h
@@ -15,7 +15,7 @@
 #include <memory>
 
 #include "api/rtp_headers.h"  // NOLINT(build/include)
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/tools/packet_source.h b/modules/audio_coding/neteq/tools/packet_source.h
index cb86a98..975680f 100644
--- a/modules/audio_coding/neteq/tools/packet_source.h
+++ b/modules/audio_coding/neteq/tools/packet_source.h
@@ -15,7 +15,7 @@
 #include <memory>
 
 #include "modules/audio_coding/neteq/tools/packet.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 namespace test {
diff --git a/modules/audio_coding/neteq/tools/resample_input_audio_file.h b/modules/audio_coding/neteq/tools/resample_input_audio_file.h
index 4e2e9b0..d961f33 100644
--- a/modules/audio_coding/neteq/tools/resample_input_audio_file.h
+++ b/modules/audio_coding/neteq/tools/resample_input_audio_file.h
@@ -15,7 +15,7 @@
 
 #include "common_audio/resampler/include/resampler.h"
 #include "modules/audio_coding/neteq/tools/input_audio_file.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 namespace test {
diff --git a/modules/audio_coding/neteq/tools/rtc_event_log_source.h b/modules/audio_coding/neteq/tools/rtc_event_log_source.h
index ea620da..5238efb 100644
--- a/modules/audio_coding/neteq/tools/rtc_event_log_source.h
+++ b/modules/audio_coding/neteq/tools/rtc_event_log_source.h
@@ -19,7 +19,7 @@
 #include "logging/rtc_event_log/rtc_event_log_parser.h"
 #include "modules/audio_coding/neteq/tools/packet_source.h"
 #include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/tools/rtp_file_source.h b/modules/audio_coding/neteq/tools/rtp_file_source.h
index 7cb9a89..77e435a 100644
--- a/modules/audio_coding/neteq/tools/rtp_file_source.h
+++ b/modules/audio_coding/neteq/tools/rtp_file_source.h
@@ -19,7 +19,7 @@
 #include "absl/types/optional.h"
 #include "modules/audio_coding/neteq/tools/packet_source.h"
 #include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/tools/rtp_generator.h b/modules/audio_coding/neteq/tools/rtp_generator.h
index a1a360f..1454c57 100644
--- a/modules/audio_coding/neteq/tools/rtp_generator.h
+++ b/modules/audio_coding/neteq/tools/rtp_generator.h
@@ -12,7 +12,7 @@
 #define MODULES_AUDIO_CODING_NETEQ_TOOLS_RTP_GENERATOR_H_
 
 #include "api/rtp_headers.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 namespace test {
diff --git a/modules/audio_coding/test/Channel.cc b/modules/audio_coding/test/Channel.cc
index 8cb5baa..4cb6c35 100644
--- a/modules/audio_coding/test/Channel.cc
+++ b/modules/audio_coding/test/Channel.cc
@@ -14,7 +14,7 @@
 #include <iostream>
 
 #include "rtc_base/format_macros.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/test/Channel.h b/modules/audio_coding/test/Channel.h
index eb197c6..e428a71 100644
--- a/modules/audio_coding/test/Channel.h
+++ b/modules/audio_coding/test/Channel.h
@@ -15,7 +15,7 @@
 
 #include "modules/audio_coding/include/audio_coding_module.h"
 #include "modules/include/module_common_types.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/test/EncodeDecodeTest.cc b/modules/audio_coding/test/EncodeDecodeTest.cc
index 6ca7408..fbbc9d3 100644
--- a/modules/audio_coding/test/EncodeDecodeTest.cc
+++ b/modules/audio_coding/test/EncodeDecodeTest.cc
@@ -19,7 +19,7 @@
 #include "modules/audio_coding/include/audio_coding_module.h"
 #include "rtc_base/strings/string_builder.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/test/PacketLossTest.cc b/modules/audio_coding/test/PacketLossTest.cc
index 6f87659..000041b 100644
--- a/modules/audio_coding/test/PacketLossTest.cc
+++ b/modules/audio_coding/test/PacketLossTest.cc
@@ -15,7 +15,7 @@
 #include "api/audio_codecs/builtin_audio_decoder_factory.h"
 #include "rtc_base/strings/string_builder.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/test/TestAllCodecs.cc b/modules/audio_coding/test/TestAllCodecs.cc
index aad80e8..75ba60a 100644
--- a/modules/audio_coding/test/TestAllCodecs.cc
+++ b/modules/audio_coding/test/TestAllCodecs.cc
@@ -20,10 +20,10 @@
 #include "modules/audio_coding/include/audio_coding_module_typedefs.h"
 #include "modules/include/module_common_types.h"
 #include "rtc_base/logging.h"
-#include "rtc_base/stringencode.h"
+#include "rtc_base/string_encode.h"
 #include "rtc_base/strings/string_builder.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 // Description of the test:
 // In this test we set up a one-way communication channel from a participant
diff --git a/modules/audio_coding/test/TestRedFec.cc b/modules/audio_coding/test/TestRedFec.cc
index b284205..0cb2415 100644
--- a/modules/audio_coding/test/TestRedFec.cc
+++ b/modules/audio_coding/test/TestRedFec.cc
@@ -31,7 +31,7 @@
 #include "modules/audio_coding/include/audio_coding_module_typedefs.h"
 #include "rtc_base/strings/string_builder.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/test/TestStereo.cc b/modules/audio_coding/test/TestStereo.cc
index dd4be6a5..70065fb 100644
--- a/modules/audio_coding/test/TestStereo.cc
+++ b/modules/audio_coding/test/TestStereo.cc
@@ -19,7 +19,7 @@
 #include "modules/include/module_common_types.h"
 #include "rtc_base/strings/string_builder.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/test/TestVADDTX.cc b/modules/audio_coding/test/TestVADDTX.cc
index 8e16280..7c04b22 100644
--- a/modules/audio_coding/test/TestVADDTX.cc
+++ b/modules/audio_coding/test/TestVADDTX.cc
@@ -25,7 +25,7 @@
 #include "modules/audio_coding/test/PCMFile.h"
 #include "rtc_base/strings/string_builder.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/test/Tester.cc b/modules/audio_coding/test/Tester.cc
index 750656f..56e2c46 100644
--- a/modules/audio_coding/test/Tester.cc
+++ b/modules/audio_coding/test/Tester.cc
@@ -23,7 +23,7 @@
 #include "modules/audio_coding/test/iSACTest.h"
 #include "modules/audio_coding/test/opus_test.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 TEST(AudioCodingModuleTest, TestAllCodecs) {
   webrtc::TestAllCodecs().Perform();
diff --git a/modules/audio_coding/test/TwoWayCommunication.cc b/modules/audio_coding/test/TwoWayCommunication.cc
index 3af114e..585c1db 100644
--- a/modules/audio_coding/test/TwoWayCommunication.cc
+++ b/modules/audio_coding/test/TwoWayCommunication.cc
@@ -20,7 +20,7 @@
 #include "api/audio_codecs/builtin_audio_encoder_factory.h"
 #include "modules/audio_coding/test/PCMFile.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/test/iSACTest.cc b/modules/audio_coding/test/iSACTest.cc
index 0dceca7..7776a60 100644
--- a/modules/audio_coding/test/iSACTest.cc
+++ b/modules/audio_coding/test/iSACTest.cc
@@ -18,11 +18,11 @@
 #include "api/audio_codecs/builtin_audio_decoder_factory.h"
 #include "api/audio_codecs/isac/audio_encoder_isac_float.h"
 #include "rtc_base/strings/string_builder.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 #include "system_wrappers/include/sleep.h"
 #include "test/gmock.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/test/opus_test.cc b/modules/audio_coding/test/opus_test.cc
index 1e24e5d..b8d8e67 100644
--- a/modules/audio_coding/test/opus_test.cc
+++ b/modules/audio_coding/test/opus_test.cc
@@ -17,7 +17,7 @@
 #include "modules/audio_coding/include/audio_coding_module_typedefs.h"
 #include "modules/audio_coding/test/TestStereo.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/test/target_delay_unittest.cc b/modules/audio_coding/test/target_delay_unittest.cc
index 8d82b6e..c972e62 100644
--- a/modules/audio_coding/test/target_delay_unittest.cc
+++ b/modules/audio_coding/test/target_delay_unittest.cc
@@ -16,7 +16,7 @@
 #include "modules/audio_coding/include/audio_coding_module.h"
 #include "modules/include/module_common_types.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_device/android/aaudio_player.h b/modules/audio_device/android/aaudio_player.h
index a92d508..7173a25 100644
--- a/modules/audio_device/android/aaudio_player.h
+++ b/modules/audio_device/android/aaudio_player.h
@@ -16,7 +16,7 @@
 
 #include "modules/audio_device/android/aaudio_wrapper.h"
 #include "modules/audio_device/include/audio_device_defines.h"
-#include "rtc_base/messagehandler.h"
+#include "rtc_base/message_handler.h"
 #include "rtc_base/thread.h"
 #include "rtc_base/thread_annotations.h"
 #include "rtc_base/thread_checker.h"
diff --git a/modules/audio_device/android/aaudio_recorder.cc b/modules/audio_device/android/aaudio_recorder.cc
index 7eb7b1c..446512e 100644
--- a/modules/audio_device/android/aaudio_recorder.cc
+++ b/modules/audio_device/android/aaudio_recorder.cc
@@ -16,7 +16,7 @@
 #include "modules/audio_device/fine_audio_buffer.h"
 #include "rtc_base/checks.h"
 #include "rtc_base/logging.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 #include "system_wrappers/include/sleep.h"
 
 namespace webrtc {
diff --git a/modules/audio_device/android/aaudio_recorder.h b/modules/audio_device/android/aaudio_recorder.h
index 1b78a01..cfd463f 100644
--- a/modules/audio_device/android/aaudio_recorder.h
+++ b/modules/audio_device/android/aaudio_recorder.h
@@ -16,7 +16,7 @@
 
 #include "modules/audio_device/android/aaudio_wrapper.h"
 #include "modules/audio_device/include/audio_device_defines.h"
-#include "rtc_base/messagehandler.h"
+#include "rtc_base/message_handler.h"
 #include "rtc_base/thread.h"
 #include "rtc_base/thread_checker.h"
 
diff --git a/modules/audio_device/android/aaudio_wrapper.cc b/modules/audio_device/android/aaudio_wrapper.cc
index d95a9b4..7e0c9a0 100644
--- a/modules/audio_device/android/aaudio_wrapper.cc
+++ b/modules/audio_device/android/aaudio_wrapper.cc
@@ -13,7 +13,7 @@
 #include "modules/audio_device/android/audio_manager.h"
 #include "rtc_base/logging.h"
 #include "rtc_base/strings/string_builder.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 
 #define LOG_ON_ERROR(op)                                                      \
   do {                                                                        \
diff --git a/modules/audio_device/android/audio_device_unittest.cc b/modules/audio_device/android/audio_device_unittest.cc
index 6e09139c..ec6646c 100644
--- a/modules/audio_device/android/audio_device_unittest.cc
+++ b/modules/audio_device/android/audio_device_unittest.cc
@@ -24,14 +24,14 @@
 #include "modules/audio_device/include/audio_device.h"
 #include "modules/audio_device/include/mock_audio_transport.h"
 #include "rtc_base/arraysize.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/event.h"
 #include "rtc_base/format_macros.h"
 #include "rtc_base/scoped_ref_ptr.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 #include "test/gmock.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 using std::cout;
 using std::endl;
diff --git a/modules/audio_device/android/audio_record_jni.cc b/modules/audio_device/android/audio_record_jni.cc
index 97ba6c6..9205489 100644
--- a/modules/audio_device/android/audio_record_jni.cc
+++ b/modules/audio_device/android/audio_record_jni.cc
@@ -19,7 +19,7 @@
 #include "rtc_base/format_macros.h"
 #include "rtc_base/logging.h"
 #include "rtc_base/platform_thread.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 #include "system_wrappers/include/metrics.h"
 
 namespace webrtc {
diff --git a/modules/audio_device/android/opensles_player.cc b/modules/audio_device/android/opensles_player.cc
index 6f86ba5..921ffd2 100644
--- a/modules/audio_device/android/opensles_player.cc
+++ b/modules/audio_device/android/opensles_player.cc
@@ -21,7 +21,7 @@
 #include "rtc_base/checks.h"
 #include "rtc_base/format_macros.h"
 #include "rtc_base/platform_thread.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 
 #define TAG "OpenSLESPlayer"
 #define ALOGV(...) __android_log_print(ANDROID_LOG_VERBOSE, TAG, __VA_ARGS__)
diff --git a/modules/audio_device/android/opensles_recorder.cc b/modules/audio_device/android/opensles_recorder.cc
index 6bc1bf5..2d5dbb9 100644
--- a/modules/audio_device/android/opensles_recorder.cc
+++ b/modules/audio_device/android/opensles_recorder.cc
@@ -21,7 +21,7 @@
 #include "rtc_base/checks.h"
 #include "rtc_base/format_macros.h"
 #include "rtc_base/platform_thread.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 
 #define TAG "OpenSLESRecorder"
 #define ALOGV(...) __android_log_print(ANDROID_LOG_VERBOSE, TAG, __VA_ARGS__)
diff --git a/modules/audio_device/audio_device_buffer.cc b/modules/audio_device/audio_device_buffer.cc
index 8f920cf..052071a 100644
--- a/modules/audio_device/audio_device_buffer.cc
+++ b/modules/audio_device/audio_device_buffer.cc
@@ -18,7 +18,7 @@
 #include "rtc_base/bind.h"
 #include "rtc_base/checks.h"
 #include "rtc_base/logging.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 #include "system_wrappers/include/metrics.h"
 
 namespace webrtc {
diff --git a/modules/audio_device/audio_device_buffer.h b/modules/audio_device/audio_device_buffer.h
index bbe2969..37d9ffb 100644
--- a/modules/audio_device/audio_device_buffer.h
+++ b/modules/audio_device/audio_device_buffer.h
@@ -17,7 +17,7 @@
 
 #include "modules/audio_device/include/audio_device_defines.h"
 #include "rtc_base/buffer.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/task_queue.h"
 #include "rtc_base/thread_annotations.h"
 #include "rtc_base/thread_checker.h"
diff --git a/modules/audio_device/audio_device_data_observer.cc b/modules/audio_device/audio_device_data_observer.cc
index 994c2ef..56ba32b 100644
--- a/modules/audio_device/audio_device_data_observer.cc
+++ b/modules/audio_device/audio_device_data_observer.cc
@@ -12,7 +12,7 @@
 
 #include "modules/audio_device/include/audio_device_defines.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/refcountedobject.h"
+#include "rtc_base/ref_counted_object.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_device/audio_device_impl.cc b/modules/audio_device/audio_device_impl.cc
index c5f4332..3fa95d3 100644
--- a/modules/audio_device/audio_device_impl.cc
+++ b/modules/audio_device/audio_device_impl.cc
@@ -16,7 +16,7 @@
 #include "modules/audio_device/audio_device_generic.h"
 #include "rtc_base/checks.h"
 #include "rtc_base/logging.h"
-#include "rtc_base/refcountedobject.h"
+#include "rtc_base/ref_counted_object.h"
 #include "rtc_base/scoped_ref_ptr.h"
 #include "system_wrappers/include/metrics.h"
 
diff --git a/modules/audio_device/audio_device_unittest.cc b/modules/audio_device/audio_device_unittest.cc
index 5ae48d8..f0ede1b 100644
--- a/modules/audio_device/audio_device_unittest.cc
+++ b/modules/audio_device/audio_device_unittest.cc
@@ -20,7 +20,7 @@
 #include "modules/audio_device/include/audio_device.h"
 #include "modules/audio_device/include/mock_audio_transport.h"
 #include "rtc_base/buffer.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/event.h"
 #include "rtc_base/logging.h"
 #include "rtc_base/numerics/safe_conversions.h"
@@ -28,7 +28,7 @@
 #include "rtc_base/scoped_ref_ptr.h"
 #include "rtc_base/thread_annotations.h"
 #include "rtc_base/thread_checker.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 #include "system_wrappers/include/sleep.h"
 #include "test/gmock.h"
 #include "test/gtest.h"
diff --git a/modules/audio_device/dummy/file_audio_device.cc b/modules/audio_device/dummy/file_audio_device.cc
index 2848eea..ea736e0 100644
--- a/modules/audio_device/dummy/file_audio_device.cc
+++ b/modules/audio_device/dummy/file_audio_device.cc
@@ -15,7 +15,7 @@
 #include "rtc_base/checks.h"
 #include "rtc_base/logging.h"
 #include "rtc_base/platform_thread.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 #include "system_wrappers/include/sleep.h"
 
 namespace webrtc {
diff --git a/modules/audio_device/dummy/file_audio_device.h b/modules/audio_device/dummy/file_audio_device.h
index 210c8f7..375c6f6 100644
--- a/modules/audio_device/dummy/file_audio_device.h
+++ b/modules/audio_device/dummy/file_audio_device.h
@@ -17,9 +17,9 @@
 #include <string>
 
 #include "modules/audio_device/audio_device_generic.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/system/file_wrapper.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 
 namespace rtc {
 class PlatformThread;
diff --git a/modules/audio_device/include/audio_device.h b/modules/audio_device/include/audio_device.h
index d73c1e6..c8f7503 100644
--- a/modules/audio_device/include/audio_device.h
+++ b/modules/audio_device/include/audio_device.h
@@ -12,7 +12,7 @@
 #define MODULES_AUDIO_DEVICE_INCLUDE_AUDIO_DEVICE_H_
 
 #include "modules/audio_device/include/audio_device_defines.h"
-#include "rtc_base/refcount.h"
+#include "rtc_base/ref_count.h"
 #include "rtc_base/scoped_ref_ptr.h"
 
 namespace webrtc {
diff --git a/modules/audio_device/include/test_audio_device.cc b/modules/audio_device/include/test_audio_device.cc
index 8aea1d2..98c1612 100644
--- a/modules/audio_device/include/test_audio_device.cc
+++ b/modules/audio_device/include/test_audio_device.cc
@@ -23,16 +23,16 @@
 #include "modules/audio_device/include/test_audio_device.h"
 #include "rtc_base/buffer.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/event.h"
 #include "rtc_base/logging.h"
 #include "rtc_base/numerics/safe_conversions.h"
 #include "rtc_base/platform_thread.h"
 #include "rtc_base/random.h"
-#include "rtc_base/refcountedobject.h"
+#include "rtc_base/ref_counted_object.h"
 #include "rtc_base/thread.h"
 #include "rtc_base/thread_annotations.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_device/include/test_audio_device_unittest.cc b/modules/audio_device/include/test_audio_device_unittest.cc
index bdb1285..8d62084 100644
--- a/modules/audio_device/include/test_audio_device_unittest.cc
+++ b/modules/audio_device/include/test_audio_device_unittest.cc
@@ -18,7 +18,7 @@
 #include "rtc_base/logging.h"
 #include "test/gmock.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_device/ios/audio_device_ios.mm b/modules/audio_device/ios/audio_device_ios.mm
index 1aaff1f..8fa34d1 100644
--- a/modules/audio_device/ios/audio_device_ios.mm
+++ b/modules/audio_device/ios/audio_device_ios.mm
@@ -17,14 +17,14 @@
 
 #include "api/array_view.h"
 #include "modules/audio_device/fine_audio_buffer.h"
-#include "rtc_base/atomicops.h"
+#include "rtc_base/atomic_ops.h"
 #include "rtc_base/bind.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/logging.h"
 #include "rtc_base/thread.h"
 #include "rtc_base/thread_annotations.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 #include "sdk/objc/native/src/audio/helpers.h"
 #include "system_wrappers/include/metrics.h"
 
diff --git a/modules/audio_device/ios/audio_device_unittest_ios.mm b/modules/audio_device/ios/audio_device_unittest_ios.mm
index 19ff9c9..983ad5d 100644
--- a/modules/audio_device/ios/audio_device_unittest_ios.mm
+++ b/modules/audio_device/ios/audio_device_unittest_ios.mm
@@ -21,15 +21,15 @@
 #include "modules/audio_device/include/mock_audio_transport.h"
 #include "modules/audio_device/ios/audio_device_ios.h"
 #include "rtc_base/arraysize.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/event.h"
 #include "rtc_base/format_macros.h"
 #include "rtc_base/logging.h"
 #include "rtc_base/scoped_ref_ptr.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 #include "test/gmock.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 #import "sdk/objc/components/audio/RTCAudioSession+Private.h"
 #import "sdk/objc/components/audio/RTCAudioSession.h"
diff --git a/modules/audio_device/ios/audio_session_observer.h b/modules/audio_device/ios/audio_session_observer.h
index 13a979b..c79cdd14 100644
--- a/modules/audio_device/ios/audio_session_observer.h
+++ b/modules/audio_device/ios/audio_session_observer.h
@@ -11,7 +11,7 @@
 #ifndef MODULES_AUDIO_DEVICE_IOS_AUDIO_SESSION_OBSERVER_H_
 #define MODULES_AUDIO_DEVICE_IOS_AUDIO_SESSION_OBSERVER_H_
 
-#include "rtc_base/asyncinvoker.h"
+#include "rtc_base/async_invoker.h"
 #include "rtc_base/thread.h"
 
 namespace webrtc {
diff --git a/modules/audio_device/linux/audio_device_alsa_linux.h b/modules/audio_device/linux/audio_device_alsa_linux.h
index d60dcaf..69e6e50 100644
--- a/modules/audio_device/linux/audio_device_alsa_linux.h
+++ b/modules/audio_device/linux/audio_device_alsa_linux.h
@@ -15,7 +15,7 @@
 
 #include "modules/audio_device/audio_device_generic.h"
 #include "modules/audio_device/linux/audio_mixer_manager_alsa_linux.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/platform_thread.h"
 
 #if defined(WEBRTC_USE_X11)
diff --git a/modules/audio_device/linux/audio_device_pulse_linux.h b/modules/audio_device/linux/audio_device_pulse_linux.h
index 4de87fc..367d657 100644
--- a/modules/audio_device/linux/audio_device_pulse_linux.h
+++ b/modules/audio_device/linux/audio_device_pulse_linux.h
@@ -19,7 +19,7 @@
 #include "modules/audio_device/include/audio_device_defines.h"
 #include "modules/audio_device/linux/audio_mixer_manager_pulse_linux.h"
 #include "modules/audio_device/linux/pulseaudiosymboltable_linux.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/event.h"
 #include "rtc_base/platform_thread.h"
 #include "rtc_base/thread_annotations.h"
diff --git a/modules/audio_device/linux/audio_mixer_manager_alsa_linux.h b/modules/audio_device/linux/audio_mixer_manager_alsa_linux.h
index 5d40e08..4cd563a 100644
--- a/modules/audio_device/linux/audio_mixer_manager_alsa_linux.h
+++ b/modules/audio_device/linux/audio_mixer_manager_alsa_linux.h
@@ -13,7 +13,7 @@
 
 #include "modules/audio_device/include/audio_device.h"
 #include "modules/audio_device/linux/alsasymboltable_linux.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 
 #include <alsa/asoundlib.h>
 
diff --git a/modules/audio_device/linux/latebindingsymboltable_linux.h b/modules/audio_device/linux/latebindingsymboltable_linux.h
index 57314a6..edb62ae 100644
--- a/modules/audio_device/linux/latebindingsymboltable_linux.h
+++ b/modules/audio_device/linux/latebindingsymboltable_linux.h
@@ -15,7 +15,7 @@
 #include <stddef.h>  // for NULL
 #include <string.h>
 
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 // This file provides macros for creating "symbol table" classes to simplify the
 // dynamic loading of symbols from DLLs. Currently the implementation only
diff --git a/modules/audio_device/mac/audio_device_mac.h b/modules/audio_device/mac/audio_device_mac.h
index 5a70760..e9ea7a7 100644
--- a/modules/audio_device/mac/audio_device_mac.h
+++ b/modules/audio_device/mac/audio_device_mac.h
@@ -15,7 +15,7 @@
 
 #include "modules/audio_device/audio_device_generic.h"
 #include "modules/audio_device/mac/audio_mixer_manager_mac.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/event.h"
 #include "rtc_base/logging.h"
 #include "rtc_base/thread_annotations.h"
diff --git a/modules/audio_device/mac/audio_mixer_manager_mac.h b/modules/audio_device/mac/audio_mixer_manager_mac.h
index bb67f20..c073e6c 100644
--- a/modules/audio_device/mac/audio_mixer_manager_mac.h
+++ b/modules/audio_device/mac/audio_mixer_manager_mac.h
@@ -12,7 +12,7 @@
 #define AUDIO_DEVICE_AUDIO_MIXER_MANAGER_MAC_H_
 
 #include "modules/audio_device/include/audio_device.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/logging.h"
 
 #include <CoreAudio/CoreAudio.h>
diff --git a/modules/audio_device/win/audio_device_core_win.cc b/modules/audio_device/win/audio_device_core_win.cc
index fef8e50..159db92 100644
--- a/modules/audio_device/win/audio_device_core_win.cc
+++ b/modules/audio_device/win/audio_device_core_win.cc
@@ -40,7 +40,7 @@
 
 #include "rtc_base/logging.h"
 #include "rtc_base/platform_thread.h"
-#include "rtc_base/stringutils.h"
+#include "rtc_base/string_utils.h"
 #include "rtc_base/thread_annotations.h"
 #include "system_wrappers/include/sleep.h"
 
diff --git a/modules/audio_device/win/audio_device_core_win.h b/modules/audio_device/win/audio_device_core_win.h
index 7d06c8c..9945552 100644
--- a/modules/audio_device/win/audio_device_core_win.h
+++ b/modules/audio_device/win/audio_device_core_win.h
@@ -26,7 +26,7 @@
 #include <mediaobj.h>     // IMediaObject
 #include <mmdeviceapi.h>  // MMDevice
 
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/scoped_ref_ptr.h"
 
 // Use Multimedia Class Scheduler Service (MMCSS) to boost the thread priority
diff --git a/modules/audio_device/win/audio_device_module_win.cc b/modules/audio_device/win/audio_device_module_win.cc
index f5d9c54..2b9d692 100644
--- a/modules/audio_device/win/audio_device_module_win.cc
+++ b/modules/audio_device/win/audio_device_module_win.cc
@@ -17,8 +17,8 @@
 #include "modules/audio_device/include/audio_device.h"
 #include "rtc_base/checks.h"
 #include "rtc_base/logging.h"
-#include "rtc_base/refcountedobject.h"
-#include "rtc_base/stringutils.h"
+#include "rtc_base/ref_counted_object.h"
+#include "rtc_base/string_utils.h"
 #include "rtc_base/thread_checker.h"
 
 namespace webrtc {
diff --git a/modules/audio_device/win/core_audio_base_win.cc b/modules/audio_device/win/core_audio_base_win.cc
index 43e7bba..c336c42 100644
--- a/modules/audio_device/win/core_audio_base_win.cc
+++ b/modules/audio_device/win/core_audio_base_win.cc
@@ -18,7 +18,7 @@
 #include "rtc_base/checks.h"
 #include "rtc_base/logging.h"
 #include "rtc_base/numerics/safe_conversions.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 #include "rtc_base/win/windows_version.h"
 
 using Microsoft::WRL::ComPtr;
diff --git a/modules/audio_device/win/core_audio_output_win.cc b/modules/audio_device/win/core_audio_output_win.cc
index d40d4f1..c0dc185 100644
--- a/modules/audio_device/win/core_audio_output_win.cc
+++ b/modules/audio_device/win/core_audio_output_win.cc
@@ -16,7 +16,7 @@
 #include "rtc_base/bind.h"
 #include "rtc_base/checks.h"
 #include "rtc_base/logging.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 
 using Microsoft::WRL::ComPtr;
 
diff --git a/modules/audio_device/win/core_audio_utility_win.cc b/modules/audio_device/win/core_audio_utility_win.cc
index a19ab77..83ac8aa 100644
--- a/modules/audio_device/win/core_audio_utility_win.cc
+++ b/modules/audio_device/win/core_audio_utility_win.cc
@@ -22,8 +22,8 @@
 #include "rtc_base/arraysize.h"
 #include "rtc_base/logging.h"
 #include "rtc_base/platform_thread_types.h"
+#include "rtc_base/string_utils.h"
 #include "rtc_base/strings/string_builder.h"
-#include "rtc_base/stringutils.h"
 #include "rtc_base/win/windows_version.h"
 
 using ATL::CComHeapPtr;
diff --git a/modules/audio_mixer/audio_mixer_impl.cc b/modules/audio_mixer/audio_mixer_impl.cc
index 6957c65..bca2a57 100644
--- a/modules/audio_mixer/audio_mixer_impl.cc
+++ b/modules/audio_mixer/audio_mixer_impl.cc
@@ -20,7 +20,7 @@
 #include "modules/audio_mixer/default_output_rate_calculator.h"
 #include "rtc_base/checks.h"
 #include "rtc_base/logging.h"
-#include "rtc_base/refcountedobject.h"
+#include "rtc_base/ref_counted_object.h"
 
 namespace webrtc {
 namespace {
diff --git a/modules/audio_mixer/audio_mixer_impl.h b/modules/audio_mixer/audio_mixer_impl.h
index adaf2bd..94361c7 100644
--- a/modules/audio_mixer/audio_mixer_impl.h
+++ b/modules/audio_mixer/audio_mixer_impl.h
@@ -19,8 +19,8 @@
 #include "api/audio/audio_mixer.h"
 #include "modules/audio_mixer/frame_combiner.h"
 #include "modules/audio_mixer/output_rate_calculator.h"
-#include "rtc_base/constructormagic.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/constructor_magic.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/race_checker.h"
 #include "rtc_base/scoped_ref_ptr.h"
 #include "rtc_base/thread_annotations.h"
diff --git a/modules/audio_processing/aec/aec_core.h b/modules/audio_processing/aec/aec_core.h
index 35a6c9b..06ae2a4 100644
--- a/modules/audio_processing/aec/aec_core.h
+++ b/modules/audio_processing/aec/aec_core.h
@@ -25,7 +25,7 @@
 #include "modules/audio_processing/aec/aec_common.h"
 #include "modules/audio_processing/utility/block_mean_calculator.h"
 #include "modules/audio_processing/utility/ooura_fft.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/aec3/adaptive_fir_filter.h b/modules/audio_processing/aec3/adaptive_fir_filter.h
index 7c832a6..ed1f0d0 100644
--- a/modules/audio_processing/aec3/adaptive_fir_filter.h
+++ b/modules/audio_processing/aec3/adaptive_fir_filter.h
@@ -21,7 +21,7 @@
 #include "modules/audio_processing/aec3/fft_data.h"
 #include "modules/audio_processing/aec3/render_buffer.h"
 #include "modules/audio_processing/logging/apm_data_dumper.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/system/arch.h"
 
 namespace webrtc {
diff --git a/modules/audio_processing/aec3/aec3_fft.h b/modules/audio_processing/aec3/aec3_fft.h
index 6cd649a..d5db83e 100644
--- a/modules/audio_processing/aec3/aec3_fft.h
+++ b/modules/audio_processing/aec3/aec3_fft.h
@@ -18,7 +18,7 @@
 #include "modules/audio_processing/aec3/fft_data.h"
 #include "modules/audio_processing/utility/ooura_fft.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/aec3/aec_state.cc b/modules/audio_processing/aec3/aec_state.cc
index a8f6a01..bf47e2e 100644
--- a/modules/audio_processing/aec3/aec_state.cc
+++ b/modules/audio_processing/aec3/aec_state.cc
@@ -19,7 +19,7 @@
 #include "api/array_view.h"
 #include "modules/audio_processing/aec3/aec3_common.h"
 #include "modules/audio_processing/logging/apm_data_dumper.h"
-#include "rtc_base/atomicops.h"
+#include "rtc_base/atomic_ops.h"
 #include "rtc_base/checks.h"
 #include "system_wrappers/include/field_trial.h"
 
diff --git a/modules/audio_processing/aec3/block_framer.h b/modules/audio_processing/aec3/block_framer.h
index 923e4cf..fae4b29 100644
--- a/modules/audio_processing/aec3/block_framer.h
+++ b/modules/audio_processing/aec3/block_framer.h
@@ -15,7 +15,7 @@
 
 #include "api/array_view.h"
 #include "modules/audio_processing/aec3/aec3_common.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/aec3/block_processor.cc b/modules/audio_processing/aec3/block_processor.cc
index ef25e7c..85e2c4b 100644
--- a/modules/audio_processing/aec3/block_processor.cc
+++ b/modules/audio_processing/aec3/block_processor.cc
@@ -17,9 +17,9 @@
 #include "modules/audio_processing/aec3/delay_estimate.h"
 #include "modules/audio_processing/aec3/echo_path_variability.h"
 #include "modules/audio_processing/logging/apm_data_dumper.h"
-#include "rtc_base/atomicops.h"
+#include "rtc_base/atomic_ops.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/logging.h"
 
 namespace webrtc {
diff --git a/modules/audio_processing/aec3/block_processor2.cc b/modules/audio_processing/aec3/block_processor2.cc
index 30bd3ee..1e9e0a0 100644
--- a/modules/audio_processing/aec3/block_processor2.cc
+++ b/modules/audio_processing/aec3/block_processor2.cc
@@ -24,7 +24,7 @@
 #include "modules/audio_processing/aec3/render_delay_buffer.h"
 #include "modules/audio_processing/aec3/render_delay_controller.h"
 #include "modules/audio_processing/logging/apm_data_dumper.h"
-#include "rtc_base/atomicops.h"
+#include "rtc_base/atomic_ops.h"
 #include "rtc_base/checks.h"
 #include "rtc_base/logging.h"
 
diff --git a/modules/audio_processing/aec3/block_processor_metrics.h b/modules/audio_processing/aec3/block_processor_metrics.h
index 9b437c0..4ba0536 100644
--- a/modules/audio_processing/aec3/block_processor_metrics.h
+++ b/modules/audio_processing/aec3/block_processor_metrics.h
@@ -11,7 +11,7 @@
 #ifndef MODULES_AUDIO_PROCESSING_AEC3_BLOCK_PROCESSOR_METRICS_H_
 #define MODULES_AUDIO_PROCESSING_AEC3_BLOCK_PROCESSOR_METRICS_H_
 
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/aec3/cascaded_biquad_filter.h b/modules/audio_processing/aec3/cascaded_biquad_filter.h
index 2a3b6d6..3d9b14b 100644
--- a/modules/audio_processing/aec3/cascaded_biquad_filter.h
+++ b/modules/audio_processing/aec3/cascaded_biquad_filter.h
@@ -16,7 +16,7 @@
 #include <vector>
 
 #include "api/array_view.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/aec3/comfort_noise_generator.h b/modules/audio_processing/aec3/comfort_noise_generator.h
index 3be386b..f78fda2 100644
--- a/modules/audio_processing/aec3/comfort_noise_generator.h
+++ b/modules/audio_processing/aec3/comfort_noise_generator.h
@@ -18,7 +18,7 @@
 #include "modules/audio_processing/aec3/aec3_common.h"
 #include "modules/audio_processing/aec3/aec_state.h"
 #include "modules/audio_processing/aec3/fft_data.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/system/arch.h"
 
 namespace webrtc {
diff --git a/modules/audio_processing/aec3/decimator.h b/modules/audio_processing/aec3/decimator.h
index 2bb60a4..a505014 100644
--- a/modules/audio_processing/aec3/decimator.h
+++ b/modules/audio_processing/aec3/decimator.h
@@ -16,7 +16,7 @@
 #include "api/array_view.h"
 #include "modules/audio_processing/aec3/aec3_common.h"
 #include "modules/audio_processing/aec3/cascaded_biquad_filter.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/aec3/echo_audibility.h b/modules/audio_processing/aec3/echo_audibility.h
index b903ca0..7b85321 100644
--- a/modules/audio_processing/aec3/echo_audibility.h
+++ b/modules/audio_processing/aec3/echo_audibility.h
@@ -19,7 +19,7 @@
 #include "modules/audio_processing/aec3/render_buffer.h"
 #include "modules/audio_processing/aec3/stationarity_estimator.h"
 #include "modules/audio_processing/aec3/vector_buffer.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/aec3/echo_canceller3.cc b/modules/audio_processing/aec3/echo_canceller3.cc
index 38f6510..e384605 100644
--- a/modules/audio_processing/aec3/echo_canceller3.cc
+++ b/modules/audio_processing/aec3/echo_canceller3.cc
@@ -14,7 +14,7 @@
 
 #include "modules/audio_processing/aec3/aec3_common.h"
 #include "modules/audio_processing/logging/apm_data_dumper.h"
-#include "rtc_base/atomicops.h"
+#include "rtc_base/atomic_ops.h"
 #include "system_wrappers/include/field_trial.h"
 
 namespace webrtc {
diff --git a/modules/audio_processing/aec3/echo_canceller3.h b/modules/audio_processing/aec3/echo_canceller3.h
index 671d271..c1298d2 100644
--- a/modules/audio_processing/aec3/echo_canceller3.h
+++ b/modules/audio_processing/aec3/echo_canceller3.h
@@ -27,7 +27,7 @@
 #include "modules/audio_processing/audio_buffer.h"
 #include "modules/audio_processing/logging/apm_data_dumper.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/race_checker.h"
 #include "rtc_base/swap_queue.h"
 #include "rtc_base/thread_annotations.h"
diff --git a/modules/audio_processing/aec3/echo_path_delay_estimator.h b/modules/audio_processing/aec3/echo_path_delay_estimator.h
index 1f14735..11255a4 100644
--- a/modules/audio_processing/aec3/echo_path_delay_estimator.h
+++ b/modules/audio_processing/aec3/echo_path_delay_estimator.h
@@ -20,7 +20,7 @@
 #include "modules/audio_processing/aec3/delay_estimate.h"
 #include "modules/audio_processing/aec3/matched_filter.h"
 #include "modules/audio_processing/aec3/matched_filter_lag_aggregator.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/aec3/echo_remover.cc b/modules/audio_processing/aec3/echo_remover.cc
index cfb7395..1a290a7 100644
--- a/modules/audio_processing/aec3/echo_remover.cc
+++ b/modules/audio_processing/aec3/echo_remover.cc
@@ -31,9 +31,9 @@
 #include "modules/audio_processing/aec3/suppression_filter.h"
 #include "modules/audio_processing/aec3/suppression_gain.h"
 #include "modules/audio_processing/logging/apm_data_dumper.h"
-#include "rtc_base/atomicops.h"
+#include "rtc_base/atomic_ops.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/logging.h"
 #include "system_wrappers/include/field_trial.h"
 
diff --git a/modules/audio_processing/aec3/echo_remover_metrics.h b/modules/audio_processing/aec3/echo_remover_metrics.h
index 0707a5f..da740fb 100644
--- a/modules/audio_processing/aec3/echo_remover_metrics.h
+++ b/modules/audio_processing/aec3/echo_remover_metrics.h
@@ -15,7 +15,7 @@
 
 #include "modules/audio_processing/aec3/aec3_common.h"
 #include "modules/audio_processing/aec3/aec_state.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/aec3/erl_estimator.h b/modules/audio_processing/aec3/erl_estimator.h
index 29718c3..060fb91 100644
--- a/modules/audio_processing/aec3/erl_estimator.h
+++ b/modules/audio_processing/aec3/erl_estimator.h
@@ -16,7 +16,7 @@
 
 #include "api/array_view.h"
 #include "modules/audio_processing/aec3/aec3_common.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/aec3/filter_analyzer.cc b/modules/audio_processing/aec3/filter_analyzer.cc
index 3e69be6..9be9d02 100644
--- a/modules/audio_processing/aec3/filter_analyzer.cc
+++ b/modules/audio_processing/aec3/filter_analyzer.cc
@@ -18,7 +18,7 @@
 #include "modules/audio_processing/aec3/aec3_common.h"
 #include "modules/audio_processing/aec3/render_buffer.h"
 #include "modules/audio_processing/logging/apm_data_dumper.h"
-#include "rtc_base/atomicops.h"
+#include "rtc_base/atomic_ops.h"
 #include "rtc_base/checks.h"
 #include "system_wrappers/include/field_trial.h"
 
diff --git a/modules/audio_processing/aec3/filter_analyzer.h b/modules/audio_processing/aec3/filter_analyzer.h
index e0fd069..13d599d 100644
--- a/modules/audio_processing/aec3/filter_analyzer.h
+++ b/modules/audio_processing/aec3/filter_analyzer.h
@@ -19,7 +19,7 @@
 #include "api/array_view.h"
 #include "api/audio/echo_canceller3_config.h"
 #include "modules/audio_processing/aec3/aec3_common.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/aec3/frame_blocker.h b/modules/audio_processing/aec3/frame_blocker.h
index 08e1e1d..68cee97 100644
--- a/modules/audio_processing/aec3/frame_blocker.h
+++ b/modules/audio_processing/aec3/frame_blocker.h
@@ -16,7 +16,7 @@
 
 #include "api/array_view.h"
 #include "modules/audio_processing/aec3/aec3_common.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/aec3/main_filter_update_gain.cc b/modules/audio_processing/aec3/main_filter_update_gain.cc
index ef87d14..11a97e2 100644
--- a/modules/audio_processing/aec3/main_filter_update_gain.cc
+++ b/modules/audio_processing/aec3/main_filter_update_gain.cc
@@ -20,7 +20,7 @@
 #include "modules/audio_processing/aec3/render_signal_analyzer.h"
 #include "modules/audio_processing/aec3/subtractor_output.h"
 #include "modules/audio_processing/logging/apm_data_dumper.h"
-#include "rtc_base/atomicops.h"
+#include "rtc_base/atomic_ops.h"
 #include "rtc_base/checks.h"
 
 namespace webrtc {
diff --git a/modules/audio_processing/aec3/main_filter_update_gain.h b/modules/audio_processing/aec3/main_filter_update_gain.h
index 892ff68..5c817cd 100644
--- a/modules/audio_processing/aec3/main_filter_update_gain.h
+++ b/modules/audio_processing/aec3/main_filter_update_gain.h
@@ -17,7 +17,7 @@
 
 #include "api/audio/echo_canceller3_config.h"
 #include "modules/audio_processing/aec3/aec3_common.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/aec3/matched_filter.h b/modules/audio_processing/aec3/matched_filter.h
index 2a65339..084267f 100644
--- a/modules/audio_processing/aec3/matched_filter.h
+++ b/modules/audio_processing/aec3/matched_filter.h
@@ -16,7 +16,7 @@
 
 #include "api/array_view.h"
 #include "modules/audio_processing/aec3/aec3_common.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/system/arch.h"
 
 namespace webrtc {
diff --git a/modules/audio_processing/aec3/matched_filter_lag_aggregator.h b/modules/audio_processing/aec3/matched_filter_lag_aggregator.h
index d7f34ae..0cc7789 100644
--- a/modules/audio_processing/aec3/matched_filter_lag_aggregator.h
+++ b/modules/audio_processing/aec3/matched_filter_lag_aggregator.h
@@ -17,7 +17,7 @@
 #include "api/audio/echo_canceller3_config.h"
 #include "modules/audio_processing/aec3/delay_estimate.h"
 #include "modules/audio_processing/aec3/matched_filter.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/aec3/render_buffer.h b/modules/audio_processing/aec3/render_buffer.h
index 4c7c60c..cc6cd1c 100644
--- a/modules/audio_processing/aec3/render_buffer.h
+++ b/modules/audio_processing/aec3/render_buffer.h
@@ -22,7 +22,7 @@
 #include "modules/audio_processing/aec3/matrix_buffer.h"
 #include "modules/audio_processing/aec3/vector_buffer.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/aec3/render_delay_buffer.cc b/modules/audio_processing/aec3/render_delay_buffer.cc
index 1ec2779..287e7c3 100644
--- a/modules/audio_processing/aec3/render_delay_buffer.cc
+++ b/modules/audio_processing/aec3/render_delay_buffer.cc
@@ -25,9 +25,9 @@
 #include "modules/audio_processing/aec3/matrix_buffer.h"
 #include "modules/audio_processing/aec3/vector_buffer.h"
 #include "modules/audio_processing/logging/apm_data_dumper.h"
-#include "rtc_base/atomicops.h"
+#include "rtc_base/atomic_ops.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/logging.h"
 #include "system_wrappers/include/field_trial.h"
 
diff --git a/modules/audio_processing/aec3/render_delay_buffer2.cc b/modules/audio_processing/aec3/render_delay_buffer2.cc
index 6992c5b..4c0d55d 100644
--- a/modules/audio_processing/aec3/render_delay_buffer2.cc
+++ b/modules/audio_processing/aec3/render_delay_buffer2.cc
@@ -28,7 +28,7 @@
 #include "modules/audio_processing/aec3/render_delay_buffer.h"
 #include "modules/audio_processing/aec3/vector_buffer.h"
 #include "modules/audio_processing/logging/apm_data_dumper.h"
-#include "rtc_base/atomicops.h"
+#include "rtc_base/atomic_ops.h"
 #include "rtc_base/checks.h"
 #include "rtc_base/logging.h"
 
diff --git a/modules/audio_processing/aec3/render_delay_controller.cc b/modules/audio_processing/aec3/render_delay_controller.cc
index c4665ea..4ad5477 100644
--- a/modules/audio_processing/aec3/render_delay_controller.cc
+++ b/modules/audio_processing/aec3/render_delay_controller.cc
@@ -20,9 +20,9 @@
 #include "modules/audio_processing/aec3/render_delay_controller_metrics.h"
 #include "modules/audio_processing/aec3/skew_estimator.h"
 #include "modules/audio_processing/logging/apm_data_dumper.h"
-#include "rtc_base/atomicops.h"
+#include "rtc_base/atomic_ops.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/logging.h"
 #include "system_wrappers/include/field_trial.h"
 
diff --git a/modules/audio_processing/aec3/render_delay_controller2.cc b/modules/audio_processing/aec3/render_delay_controller2.cc
index 00daf8f..b3a15c0 100644
--- a/modules/audio_processing/aec3/render_delay_controller2.cc
+++ b/modules/audio_processing/aec3/render_delay_controller2.cc
@@ -21,9 +21,9 @@
 #include "modules/audio_processing/aec3/render_delay_controller.h"
 #include "modules/audio_processing/aec3/render_delay_controller_metrics.h"
 #include "modules/audio_processing/logging/apm_data_dumper.h"
-#include "rtc_base/atomicops.h"
+#include "rtc_base/atomic_ops.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "system_wrappers/include/field_trial.h"
 
 namespace webrtc {
diff --git a/modules/audio_processing/aec3/render_delay_controller_metrics.h b/modules/audio_processing/aec3/render_delay_controller_metrics.h
index 22cc202..8c527a1 100644
--- a/modules/audio_processing/aec3/render_delay_controller_metrics.h
+++ b/modules/audio_processing/aec3/render_delay_controller_metrics.h
@@ -15,7 +15,7 @@
 
 #include "absl/types/optional.h"
 #include "modules/audio_processing/aec3/clockdrift_detector.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/aec3/render_signal_analyzer.h b/modules/audio_processing/aec3/render_signal_analyzer.h
index 8a44232..c7a3d8b 100644
--- a/modules/audio_processing/aec3/render_signal_analyzer.h
+++ b/modules/audio_processing/aec3/render_signal_analyzer.h
@@ -20,7 +20,7 @@
 #include "modules/audio_processing/aec3/aec3_common.h"
 #include "modules/audio_processing/aec3/render_buffer.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/aec3/residual_echo_estimator.h b/modules/audio_processing/aec3/residual_echo_estimator.h
index 52885a5..a25aff7 100644
--- a/modules/audio_processing/aec3/residual_echo_estimator.h
+++ b/modules/audio_processing/aec3/residual_echo_estimator.h
@@ -23,7 +23,7 @@
 #include "modules/audio_processing/aec3/reverb_model_fallback.h"
 #include "modules/audio_processing/aec3/vector_buffer.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/aec3/skew_estimator.h b/modules/audio_processing/aec3/skew_estimator.h
index b0946d8..8a457cb 100644
--- a/modules/audio_processing/aec3/skew_estimator.h
+++ b/modules/audio_processing/aec3/skew_estimator.h
@@ -15,7 +15,7 @@
 #include <vector>
 
 #include "absl/types/optional.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/aec3/stationarity_estimator.cc b/modules/audio_processing/aec3/stationarity_estimator.cc
index 25100bf..47f04bf 100644
--- a/modules/audio_processing/aec3/stationarity_estimator.cc
+++ b/modules/audio_processing/aec3/stationarity_estimator.cc
@@ -18,7 +18,7 @@
 #include "modules/audio_processing/aec3/aec3_common.h"
 #include "modules/audio_processing/aec3/vector_buffer.h"
 #include "modules/audio_processing/logging/apm_data_dumper.h"
-#include "rtc_base/atomicops.h"
+#include "rtc_base/atomic_ops.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/aec3/subtractor.h b/modules/audio_processing/aec3/subtractor.h
index bec014d..70463be 100644
--- a/modules/audio_processing/aec3/subtractor.h
+++ b/modules/audio_processing/aec3/subtractor.h
@@ -30,7 +30,7 @@
 #include "modules/audio_processing/aec3/subtractor_output.h"
 #include "modules/audio_processing/logging/apm_data_dumper.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/aec3/suppression_filter.h b/modules/audio_processing/aec3/suppression_filter.h
index edd1290..63569b1 100644
--- a/modules/audio_processing/aec3/suppression_filter.h
+++ b/modules/audio_processing/aec3/suppression_filter.h
@@ -18,7 +18,7 @@
 #include "modules/audio_processing/aec3/aec3_fft.h"
 #include "modules/audio_processing/aec3/fft_data.h"
 #include "modules/audio_processing/utility/ooura_fft.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/aec3/suppression_gain.cc b/modules/audio_processing/aec3/suppression_gain.cc
index c6d2bf6..6f30c8b 100644
--- a/modules/audio_processing/aec3/suppression_gain.cc
+++ b/modules/audio_processing/aec3/suppression_gain.cc
@@ -18,7 +18,7 @@
 #include "modules/audio_processing/aec3/moving_average.h"
 #include "modules/audio_processing/aec3/vector_math.h"
 #include "modules/audio_processing/logging/apm_data_dumper.h"
-#include "rtc_base/atomicops.h"
+#include "rtc_base/atomic_ops.h"
 #include "rtc_base/checks.h"
 
 namespace webrtc {
diff --git a/modules/audio_processing/aec3/suppression_gain.h b/modules/audio_processing/aec3/suppression_gain.h
index e74cd96..9e33c28 100644
--- a/modules/audio_processing/aec3/suppression_gain.h
+++ b/modules/audio_processing/aec3/suppression_gain.h
@@ -24,7 +24,7 @@
 #include "modules/audio_processing/aec3/moving_average.h"
 #include "modules/audio_processing/aec3/render_signal_analyzer.h"
 #include "modules/audio_processing/logging/apm_data_dumper.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/aec3/suppression_gain_limiter.h b/modules/audio_processing/aec3/suppression_gain_limiter.h
index eade949..482f965 100644
--- a/modules/audio_processing/aec3/suppression_gain_limiter.h
+++ b/modules/audio_processing/aec3/suppression_gain_limiter.h
@@ -13,7 +13,7 @@
 
 #include "api/array_view.h"
 #include "api/audio/echo_canceller3_config.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/aec_dump/aec_dump_unittest.cc b/modules/audio_processing/aec_dump/aec_dump_unittest.cc
index 75ed529..1f9ca0a 100644
--- a/modules/audio_processing/aec_dump/aec_dump_unittest.cc
+++ b/modules/audio_processing/aec_dump/aec_dump_unittest.cc
@@ -14,7 +14,7 @@
 
 #include "rtc_base/task_queue.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 TEST(AecDumper, APICallsDoNotCrash) {
   // Note order of initialization: Task queue has to be initialized
diff --git a/modules/audio_processing/agc/agc_manager_direct.h b/modules/audio_processing/agc/agc_manager_direct.h
index cbfd6a1..8c9fc4d 100644
--- a/modules/audio_processing/agc/agc_manager_direct.h
+++ b/modules/audio_processing/agc/agc_manager_direct.h
@@ -15,7 +15,7 @@
 
 #include "modules/audio_processing/agc/agc.h"
 #include "modules/audio_processing/logging/apm_data_dumper.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/gtest_prod_util.h"
 
 namespace webrtc {
diff --git a/modules/audio_processing/agc/loudness_histogram_unittest.cc b/modules/audio_processing/agc/loudness_histogram_unittest.cc
index 8c61710..0c291d8 100644
--- a/modules/audio_processing/agc/loudness_histogram_unittest.cc
+++ b/modules/audio_processing/agc/loudness_histogram_unittest.cc
@@ -19,7 +19,7 @@
 
 #include "modules/audio_processing/agc/utility.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/agc2/biquad_filter.h b/modules/audio_processing/agc2/biquad_filter.h
index 3d78c07..7bf3301e 100644
--- a/modules/audio_processing/agc2/biquad_filter.h
+++ b/modules/audio_processing/agc2/biquad_filter.h
@@ -15,7 +15,7 @@
 
 #include "api/array_view.h"
 #include "rtc_base/arraysize.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/agc2/down_sampler.h b/modules/audio_processing/agc2/down_sampler.h
index a609ea8..61d1b00 100644
--- a/modules/audio_processing/agc2/down_sampler.h
+++ b/modules/audio_processing/agc2/down_sampler.h
@@ -13,7 +13,7 @@
 
 #include "api/array_view.h"
 #include "modules/audio_processing/agc2/biquad_filter.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/agc2/fixed_digital_level_estimator.h b/modules/audio_processing/agc2/fixed_digital_level_estimator.h
index 84429d3..aa84a2e 100644
--- a/modules/audio_processing/agc2/fixed_digital_level_estimator.h
+++ b/modules/audio_processing/agc2/fixed_digital_level_estimator.h
@@ -16,7 +16,7 @@
 
 #include "modules/audio_processing/agc2/agc2_common.h"
 #include "modules/audio_processing/include/audio_frame_view.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/agc2/interpolated_gain_curve.h b/modules/audio_processing/agc2/interpolated_gain_curve.h
index 68d4532..1ecb94e 100644
--- a/modules/audio_processing/agc2/interpolated_gain_curve.h
+++ b/modules/audio_processing/agc2/interpolated_gain_curve.h
@@ -16,7 +16,7 @@
 
 #include "modules/audio_processing/agc2/agc2_common.h"
 
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/gtest_prod_util.h"
 #include "system_wrappers/include/metrics.h"
 
diff --git a/modules/audio_processing/agc2/limiter.h b/modules/audio_processing/agc2/limiter.h
index 1e0ab71..599fd0f 100644
--- a/modules/audio_processing/agc2/limiter.h
+++ b/modules/audio_processing/agc2/limiter.h
@@ -17,7 +17,7 @@
 #include "modules/audio_processing/agc2/fixed_digital_level_estimator.h"
 #include "modules/audio_processing/agc2/interpolated_gain_curve.h"
 #include "modules/audio_processing/include/audio_frame_view.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 class ApmDataDumper;
diff --git a/modules/audio_processing/agc2/noise_level_estimator.h b/modules/audio_processing/agc2/noise_level_estimator.h
index 24067a1..ca2f9f2 100644
--- a/modules/audio_processing/agc2/noise_level_estimator.h
+++ b/modules/audio_processing/agc2/noise_level_estimator.h
@@ -13,7 +13,7 @@
 
 #include "modules/audio_processing/agc2/signal_classifier.h"
 #include "modules/audio_processing/include/audio_frame_view.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 class ApmDataDumper;
diff --git a/modules/audio_processing/agc2/noise_spectrum_estimator.h b/modules/audio_processing/agc2/noise_spectrum_estimator.h
index fd1cc13..b22f9bb 100644
--- a/modules/audio_processing/agc2/noise_spectrum_estimator.h
+++ b/modules/audio_processing/agc2/noise_spectrum_estimator.h
@@ -12,7 +12,7 @@
 #define MODULES_AUDIO_PROCESSING_AGC2_NOISE_SPECTRUM_ESTIMATOR_H_
 
 #include "api/array_view.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/agc2/rnn_vad/test_utils.cc b/modules/audio_processing/agc2/rnn_vad/test_utils.cc
index db38cab..8decbd0 100644
--- a/modules/audio_processing/agc2/rnn_vad/test_utils.cc
+++ b/modules/audio_processing/agc2/rnn_vad/test_utils.cc
@@ -13,7 +13,7 @@
 #include "absl/memory/memory.h"
 #include "rtc_base/checks.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 namespace rnn_vad {
diff --git a/modules/audio_processing/agc2/signal_classifier.h b/modules/audio_processing/agc2/signal_classifier.h
index 23fe315..e0d6771 100644
--- a/modules/audio_processing/agc2/signal_classifier.h
+++ b/modules/audio_processing/agc2/signal_classifier.h
@@ -18,7 +18,7 @@
 #include "modules/audio_processing/agc2/down_sampler.h"
 #include "modules/audio_processing/agc2/noise_spectrum_estimator.h"
 #include "modules/audio_processing/utility/ooura_fft.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/audio_generator/file_audio_generator.h b/modules/audio_processing/audio_generator/file_audio_generator.h
index 01979a4..f322b09 100644
--- a/modules/audio_processing/audio_generator/file_audio_generator.h
+++ b/modules/audio_processing/audio_generator/file_audio_generator.h
@@ -15,7 +15,7 @@
 
 #include "common_audio/wav_file.h"
 #include "modules/audio_processing/include/audio_generator.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/audio_generator/file_audio_generator_unittest.cc b/modules/audio_processing/audio_generator/file_audio_generator_unittest.cc
index 6ed3b94..6569bfe 100644
--- a/modules/audio_processing/audio_generator/file_audio_generator_unittest.cc
+++ b/modules/audio_processing/audio_generator/file_audio_generator_unittest.cc
@@ -13,7 +13,7 @@
 #include "modules/audio_processing/include/audio_generator_factory.h"
 #include "modules/audio_processing/include/audio_processing.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 namespace test {
diff --git a/modules/audio_processing/audio_processing_impl.cc b/modules/audio_processing/audio_processing_impl.cc
index c0058c7..eec4c33 100644
--- a/modules/audio_processing/audio_processing_impl.cc
+++ b/modules/audio_processing/audio_processing_impl.cc
@@ -37,12 +37,12 @@
 #include "modules/audio_processing/residual_echo_detector.h"
 #include "modules/audio_processing/transient/transient_suppressor.h"
 #include "modules/audio_processing/voice_detection_impl.h"
-#include "rtc_base/atomicops.h"
+#include "rtc_base/atomic_ops.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/logging.h"
-#include "rtc_base/refcountedobject.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/ref_counted_object.h"
+#include "rtc_base/time_utils.h"
 #include "rtc_base/trace_event.h"
 #include "system_wrappers/include/metrics.h"
 
diff --git a/modules/audio_processing/audio_processing_impl.h b/modules/audio_processing/audio_processing_impl.h
index 815cc95..9b66c26 100644
--- a/modules/audio_processing/audio_processing_impl.h
+++ b/modules/audio_processing/audio_processing_impl.h
@@ -21,7 +21,7 @@
 #include "modules/audio_processing/include/audio_processing_statistics.h"
 #include "modules/audio_processing/render_queue_item_verifier.h"
 #include "modules/audio_processing/rms_level.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/function_view.h"
 #include "rtc_base/gtest_prod_util.h"
 #include "rtc_base/ignore_wundef.h"
diff --git a/modules/audio_processing/audio_processing_impl_locking_unittest.cc b/modules/audio_processing/audio_processing_impl_locking_unittest.cc
index 18ee9cf..3609124 100644
--- a/modules/audio_processing/audio_processing_impl_locking_unittest.cc
+++ b/modules/audio_processing/audio_processing_impl_locking_unittest.cc
@@ -16,7 +16,7 @@
 
 #include "api/array_view.h"
 #include "modules/audio_processing/test/test_utils.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/event.h"
 #include "rtc_base/platform_thread.h"
 #include "rtc_base/random.h"
diff --git a/modules/audio_processing/audio_processing_impl_unittest.cc b/modules/audio_processing/audio_processing_impl_unittest.cc
index 3a3133a..c511cb3 100644
--- a/modules/audio_processing/audio_processing_impl_unittest.cc
+++ b/modules/audio_processing/audio_processing_impl_unittest.cc
@@ -17,7 +17,7 @@
 #include "modules/audio_processing/test/echo_control_mock.h"
 #include "modules/audio_processing/test/test_utils.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/refcountedobject.h"
+#include "rtc_base/ref_counted_object.h"
 #include "rtc_base/scoped_ref_ptr.h"
 #include "test/gmock.h"
 #include "test/gtest.h"
diff --git a/modules/audio_processing/audio_processing_performance_unittest.cc b/modules/audio_processing/audio_processing_performance_unittest.cc
index 80c2b38..fa0f1da 100644
--- a/modules/audio_processing/audio_processing_performance_unittest.cc
+++ b/modules/audio_processing/audio_processing_performance_unittest.cc
@@ -17,7 +17,7 @@
 
 #include "api/array_view.h"
 #include "modules/audio_processing/test/test_utils.h"
-#include "rtc_base/atomicops.h"
+#include "rtc_base/atomic_ops.h"
 #include "rtc_base/event.h"
 #include "rtc_base/numerics/safe_conversions.h"
 #include "rtc_base/platform_thread.h"
diff --git a/modules/audio_processing/audio_processing_unittest.cc b/modules/audio_processing/audio_processing_unittest.cc
index 314d777..6ae6765 100644
--- a/modules/audio_processing/audio_processing_unittest.cc
+++ b/modules/audio_processing/audio_processing_unittest.cc
@@ -28,20 +28,20 @@
 #include "modules/audio_processing/test/test_utils.h"
 #include "rtc_base/arraysize.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/fakeclock.h"
+#include "rtc_base/fake_clock.h"
 #include "rtc_base/gtest_prod_util.h"
 #include "rtc_base/ignore_wundef.h"
 #include "rtc_base/numerics/safe_conversions.h"
 #include "rtc_base/numerics/safe_minmax.h"
 #include "rtc_base/protobuf_utils.h"
-#include "rtc_base/refcountedobject.h"
+#include "rtc_base/ref_counted_object.h"
 #include "rtc_base/strings/string_builder.h"
 #include "rtc_base/swap_queue.h"
 #include "rtc_base/system/arch.h"
 #include "rtc_base/task_queue.h"
 #include "rtc_base/thread.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 RTC_PUSH_IGNORING_WUNDEF()
 #ifdef WEBRTC_ANDROID_PLATFORM_BUILD
diff --git a/modules/audio_processing/echo_cancellation_impl.h b/modules/audio_processing/echo_cancellation_impl.h
index a8b43a8..79be73b 100644
--- a/modules/audio_processing/echo_cancellation_impl.h
+++ b/modules/audio_processing/echo_cancellation_impl.h
@@ -18,8 +18,8 @@
 
 #include "api/array_view.h"
 #include "modules/audio_processing/include/audio_processing.h"
-#include "rtc_base/constructormagic.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/constructor_magic.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/thread_annotations.h"
 
 namespace webrtc {
diff --git a/modules/audio_processing/echo_cancellation_impl_unittest.cc b/modules/audio_processing/echo_cancellation_impl_unittest.cc
index 9d81c1d..841ea0d 100644
--- a/modules/audio_processing/echo_cancellation_impl_unittest.cc
+++ b/modules/audio_processing/echo_cancellation_impl_unittest.cc
@@ -13,7 +13,7 @@
 #include "modules/audio_processing/aec/aec_core.h"
 #include "modules/audio_processing/echo_cancellation_impl.h"
 #include "modules/audio_processing/include/audio_processing.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "test/gtest.h"
 
 namespace webrtc {
diff --git a/modules/audio_processing/echo_control_mobile_impl.cc b/modules/audio_processing/echo_control_mobile_impl.cc
index b9fbf42..3655eb1 100644
--- a/modules/audio_processing/echo_control_mobile_impl.cc
+++ b/modules/audio_processing/echo_control_mobile_impl.cc
@@ -17,7 +17,7 @@
 #include "modules/audio_processing/audio_buffer.h"
 #include "modules/audio_processing/include/audio_processing.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/echo_control_mobile_unittest.cc b/modules/audio_processing/echo_control_mobile_unittest.cc
index f0e6048..6b054d1 100644
--- a/modules/audio_processing/echo_control_mobile_unittest.cc
+++ b/modules/audio_processing/echo_control_mobile_unittest.cc
@@ -13,7 +13,7 @@
 
 #include "modules/audio_processing/echo_control_mobile_impl.h"
 #include "modules/audio_processing/include/audio_processing.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "test/gtest.h"
 
 namespace webrtc {
diff --git a/modules/audio_processing/gain_control_for_experimental_agc.cc b/modules/audio_processing/gain_control_for_experimental_agc.cc
index 1479d58..5cb22f8 100644
--- a/modules/audio_processing/gain_control_for_experimental_agc.cc
+++ b/modules/audio_processing/gain_control_for_experimental_agc.cc
@@ -12,8 +12,8 @@
 
 #include "modules/audio_processing/include/audio_processing.h"
 #include "modules/audio_processing/logging/apm_data_dumper.h"
-#include "rtc_base/atomicops.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/atomic_ops.h"
+#include "rtc_base/critical_section.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/gain_control_for_experimental_agc.h b/modules/audio_processing/gain_control_for_experimental_agc.h
index b20fbc9..8f5681f 100644
--- a/modules/audio_processing/gain_control_for_experimental_agc.h
+++ b/modules/audio_processing/gain_control_for_experimental_agc.h
@@ -13,8 +13,8 @@
 
 #include "modules/audio_processing/agc/agc_manager_direct.h"
 #include "modules/audio_processing/include/audio_processing.h"
-#include "rtc_base/constructormagic.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/constructor_magic.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/thread_checker.h"
 
 namespace webrtc {
diff --git a/modules/audio_processing/gain_control_impl.cc b/modules/audio_processing/gain_control_impl.cc
index d5118ba..26ab1b4 100644
--- a/modules/audio_processing/gain_control_impl.cc
+++ b/modules/audio_processing/gain_control_impl.cc
@@ -18,7 +18,7 @@
 #include "modules/audio_processing/include/audio_processing.h"
 #include "modules/audio_processing/logging/apm_data_dumper.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/gain_control_impl.h b/modules/audio_processing/gain_control_impl.h
index c21d911..fc781d4 100644
--- a/modules/audio_processing/gain_control_impl.h
+++ b/modules/audio_processing/gain_control_impl.h
@@ -19,8 +19,8 @@
 #include "absl/types/optional.h"
 #include "api/array_view.h"
 #include "modules/audio_processing/include/gain_control.h"
-#include "rtc_base/constructormagic.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/constructor_magic.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/thread_annotations.h"
 
 namespace webrtc {
diff --git a/modules/audio_processing/gain_controller2.cc b/modules/audio_processing/gain_controller2.cc
index 2a32744..a1bbb1b 100644
--- a/modules/audio_processing/gain_controller2.cc
+++ b/modules/audio_processing/gain_controller2.cc
@@ -14,7 +14,7 @@
 #include "modules/audio_processing/audio_buffer.h"
 #include "modules/audio_processing/include/audio_frame_view.h"
 #include "modules/audio_processing/logging/apm_data_dumper.h"
-#include "rtc_base/atomicops.h"
+#include "rtc_base/atomic_ops.h"
 #include "rtc_base/checks.h"
 #include "rtc_base/strings/string_builder.h"
 
diff --git a/modules/audio_processing/gain_controller2.h b/modules/audio_processing/gain_controller2.h
index 3a11810..7ed310e 100644
--- a/modules/audio_processing/gain_controller2.h
+++ b/modules/audio_processing/gain_controller2.h
@@ -18,7 +18,7 @@
 #include "modules/audio_processing/agc2/gain_applier.h"
 #include "modules/audio_processing/agc2/limiter.h"
 #include "modules/audio_processing/include/audio_processing.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/include/audio_processing.h b/modules/audio_processing/include/audio_processing.h
index 429816b..b88a86f 100644
--- a/modules/audio_processing/include/audio_processing.h
+++ b/modules/audio_processing/include/audio_processing.h
@@ -32,7 +32,7 @@
 #include "rtc_base/arraysize.h"
 #include "rtc_base/deprecation.h"
 #include "rtc_base/platform_file.h"
-#include "rtc_base/refcount.h"
+#include "rtc_base/ref_count.h"
 #include "rtc_base/scoped_ref_ptr.h"
 #include "rtc_base/system/rtc_export.h"
 
diff --git a/modules/audio_processing/include/config.h b/modules/audio_processing/include/config.h
index e77d3fd..930cf7e 100644
--- a/modules/audio_processing/include/config.h
+++ b/modules/audio_processing/include/config.h
@@ -13,7 +13,7 @@
 
 #include <map>
 
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/system/rtc_export.h"
 
 namespace webrtc {
diff --git a/modules/audio_processing/level_estimator_impl.h b/modules/audio_processing/level_estimator_impl.h
index 901ae4c..da217bb 100644
--- a/modules/audio_processing/level_estimator_impl.h
+++ b/modules/audio_processing/level_estimator_impl.h
@@ -14,8 +14,8 @@
 #include <memory>
 
 #include "modules/audio_processing/include/audio_processing.h"
-#include "rtc_base/constructormagic.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/constructor_magic.h"
+#include "rtc_base/critical_section.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/logging/apm_data_dumper.h b/modules/audio_processing/logging/apm_data_dumper.h
index b541ae8..001fbf79 100644
--- a/modules/audio_processing/logging/apm_data_dumper.h
+++ b/modules/audio_processing/logging/apm_data_dumper.h
@@ -25,7 +25,7 @@
 #include "common_audio/wav_file.h"
 #include "rtc_base/checks.h"
 #endif
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 // Check to verify that the define is properly set.
 #if !defined(WEBRTC_APM_DEBUG_DUMP) || \
diff --git a/modules/audio_processing/low_cut_filter.h b/modules/audio_processing/low_cut_filter.h
index fd4c6f1..86fbddd 100644
--- a/modules/audio_processing/low_cut_filter.h
+++ b/modules/audio_processing/low_cut_filter.h
@@ -14,7 +14,7 @@
 #include <memory>
 #include <vector>
 
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/noise_suppression_impl.cc b/modules/audio_processing/noise_suppression_impl.cc
index d8d9e32..bfaddd9 100644
--- a/modules/audio_processing/noise_suppression_impl.cc
+++ b/modules/audio_processing/noise_suppression_impl.cc
@@ -12,7 +12,7 @@
 
 #include "modules/audio_processing/audio_buffer.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #if defined(WEBRTC_NS_FLOAT)
 #include "modules/audio_processing/ns/noise_suppression.h"
 
diff --git a/modules/audio_processing/noise_suppression_impl.h b/modules/audio_processing/noise_suppression_impl.h
index fba716e..414ca31 100644
--- a/modules/audio_processing/noise_suppression_impl.h
+++ b/modules/audio_processing/noise_suppression_impl.h
@@ -15,8 +15,8 @@
 #include <vector>
 
 #include "modules/audio_processing/include/audio_processing.h"
-#include "rtc_base/constructormagic.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/constructor_magic.h"
+#include "rtc_base/critical_section.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/residual_echo_detector.cc b/modules/audio_processing/residual_echo_detector.cc
index 3454214..0b53cc2 100644
--- a/modules/audio_processing/residual_echo_detector.cc
+++ b/modules/audio_processing/residual_echo_detector.cc
@@ -16,7 +16,7 @@
 #include "absl/types/optional.h"
 #include "modules/audio_processing/audio_buffer.h"
 #include "modules/audio_processing/logging/apm_data_dumper.h"
-#include "rtc_base/atomicops.h"
+#include "rtc_base/atomic_ops.h"
 #include "rtc_base/checks.h"
 #include "rtc_base/logging.h"
 #include "system_wrappers/include/metrics.h"
diff --git a/modules/audio_processing/residual_echo_detector_unittest.cc b/modules/audio_processing/residual_echo_detector_unittest.cc
index c6fb8e4..6658999 100644
--- a/modules/audio_processing/residual_echo_detector_unittest.cc
+++ b/modules/audio_processing/residual_echo_detector_unittest.cc
@@ -11,7 +11,7 @@
 #include <vector>
 
 #include "modules/audio_processing/residual_echo_detector.h"
-#include "rtc_base/refcountedobject.h"
+#include "rtc_base/ref_counted_object.h"
 #include "test/gtest.h"
 
 namespace webrtc {
diff --git a/modules/audio_processing/rms_level_unittest.cc b/modules/audio_processing/rms_level_unittest.cc
index cf7683d..c2d6a50 100644
--- a/modules/audio_processing/rms_level_unittest.cc
+++ b/modules/audio_processing/rms_level_unittest.cc
@@ -14,7 +14,7 @@
 #include "api/array_view.h"
 #include "modules/audio_processing/rms_level.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/numerics/mathutils.h"
+#include "rtc_base/numerics/math_utils.h"
 #include "rtc_base/numerics/safe_conversions.h"
 #include "test/gtest.h"
 
diff --git a/modules/audio_processing/test/aec_dump_based_simulator.h b/modules/audio_processing/test/aec_dump_based_simulator.h
index 3358fcf..78c1210 100644
--- a/modules/audio_processing/test/aec_dump_based_simulator.h
+++ b/modules/audio_processing/test/aec_dump_based_simulator.h
@@ -13,7 +13,7 @@
 
 #include "modules/audio_processing/test/audio_processing_simulator.h"
 
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/ignore_wundef.h"
 
 RTC_PUSH_IGNORING_WUNDEF()
diff --git a/modules/audio_processing/test/audio_processing_simulator.h b/modules/audio_processing/test/audio_processing_simulator.h
index 4b67537..0ac25da 100644
--- a/modules/audio_processing/test/audio_processing_simulator.h
+++ b/modules/audio_processing/test/audio_processing_simulator.h
@@ -22,9 +22,9 @@
 #include "modules/audio_processing/include/audio_processing.h"
 #include "modules/audio_processing/test/fake_recording_device.h"
 #include "modules/audio_processing/test/test_utils.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/task_queue.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 
 namespace webrtc {
 namespace test {
diff --git a/modules/audio_processing/test/bitexactness_tools.cc b/modules/audio_processing/test/bitexactness_tools.cc
index 0e9d369..7bf2b01 100644
--- a/modules/audio_processing/test/bitexactness_tools.cc
+++ b/modules/audio_processing/test/bitexactness_tools.cc
@@ -16,7 +16,7 @@
 #include <vector>
 
 #include "api/array_view.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 namespace test {
diff --git a/modules/audio_processing/test/conversational_speech/generator.cc b/modules/audio_processing/test/conversational_speech/generator.cc
index fa561cf..04c0678 100644
--- a/modules/audio_processing/test/conversational_speech/generator.cc
+++ b/modules/audio_processing/test/conversational_speech/generator.cc
@@ -17,7 +17,7 @@
 #include "modules/audio_processing/test/conversational_speech/timing.h"
 #include "modules/audio_processing/test/conversational_speech/wavreader_factory.h"
 #include "rtc_base/flags.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 namespace test {
diff --git a/modules/audio_processing/test/conversational_speech/generator_unittest.cc b/modules/audio_processing/test/conversational_speech/generator_unittest.cc
index 5ef11db..aacf2a2 100644
--- a/modules/audio_processing/test/conversational_speech/generator_unittest.cc
+++ b/modules/audio_processing/test/conversational_speech/generator_unittest.cc
@@ -53,7 +53,7 @@
 #include "rtc_base/logging.h"
 #include "test/gmock.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 namespace test {
diff --git a/modules/audio_processing/test/conversational_speech/multiend_call.cc b/modules/audio_processing/test/conversational_speech/multiend_call.cc
index 4e2f54d..2ae33d7 100644
--- a/modules/audio_processing/test/conversational_speech/multiend_call.cc
+++ b/modules/audio_processing/test/conversational_speech/multiend_call.cc
@@ -14,7 +14,7 @@
 #include <iterator>
 
 #include "rtc_base/logging.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 namespace test {
diff --git a/modules/audio_processing/test/conversational_speech/multiend_call.h b/modules/audio_processing/test/conversational_speech/multiend_call.h
index a4eff38..09cb00c 100644
--- a/modules/audio_processing/test/conversational_speech/multiend_call.h
+++ b/modules/audio_processing/test/conversational_speech/multiend_call.h
@@ -23,7 +23,7 @@
 #include "modules/audio_processing/test/conversational_speech/timing.h"
 #include "modules/audio_processing/test/conversational_speech/wavreader_abstract_factory.h"
 #include "modules/audio_processing/test/conversational_speech/wavreader_interface.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 namespace test {
diff --git a/modules/audio_processing/test/conversational_speech/simulator.cc b/modules/audio_processing/test/conversational_speech/simulator.cc
index c400499..81b73fb 100644
--- a/modules/audio_processing/test/conversational_speech/simulator.cc
+++ b/modules/audio_processing/test/conversational_speech/simulator.cc
@@ -22,10 +22,10 @@
 #include "common_audio/include/audio_util.h"
 #include "common_audio/wav_file.h"
 #include "modules/audio_processing/test/conversational_speech/wavreader_interface.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/logging.h"
 #include "rtc_base/numerics/safe_conversions.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 namespace test {
diff --git a/modules/audio_processing/test/conversational_speech/simulator.h b/modules/audio_processing/test/conversational_speech/simulator.h
index 743db42..a9992eb 100644
--- a/modules/audio_processing/test/conversational_speech/simulator.h
+++ b/modules/audio_processing/test/conversational_speech/simulator.h
@@ -17,7 +17,7 @@
 #include <utility>
 
 #include "modules/audio_processing/test/conversational_speech/multiend_call.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 namespace test {
diff --git a/modules/audio_processing/test/conversational_speech/timing.cc b/modules/audio_processing/test/conversational_speech/timing.cc
index 6c19f32..53c8142 100644
--- a/modules/audio_processing/test/conversational_speech/timing.cc
+++ b/modules/audio_processing/test/conversational_speech/timing.cc
@@ -13,7 +13,7 @@
 #include <fstream>
 #include <iostream>
 
-#include "rtc_base/stringencode.h"
+#include "rtc_base/string_encode.h"
 
 namespace webrtc {
 namespace test {
diff --git a/modules/audio_processing/test/debug_dump_test.cc b/modules/audio_processing/test/debug_dump_test.cc
index 509a904..7d0a2bd 100644
--- a/modules/audio_processing/test/debug_dump_test.cc
+++ b/modules/audio_processing/test/debug_dump_test.cc
@@ -21,7 +21,7 @@
 #include "modules/audio_processing/test/test_utils.h"
 #include "rtc_base/task_queue.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 namespace test {
diff --git a/modules/audio_processing/test/echo_canceller_test_tools.h b/modules/audio_processing/test/echo_canceller_test_tools.h
index 1cb5b7e..8c9ca01 100644
--- a/modules/audio_processing/test/echo_canceller_test_tools.h
+++ b/modules/audio_processing/test/echo_canceller_test_tools.h
@@ -15,7 +15,7 @@
 #include <vector>
 
 #include "api/array_view.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/random.h"
 
 namespace webrtc {
diff --git a/modules/audio_processing/test/test_utils.h b/modules/audio_processing/test/test_utils.h
index 10877f1..3637431 100644
--- a/modules/audio_processing/test/test_utils.h
+++ b/modules/audio_processing/test/test_utils.h
@@ -23,7 +23,7 @@
 #include "common_audio/channel_buffer.h"
 #include "common_audio/wav_file.h"
 #include "modules/audio_processing/include/audio_processing.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/test/wav_based_simulator.h b/modules/audio_processing/test/wav_based_simulator.h
index 0294e89..3dfd256 100644
--- a/modules/audio_processing/test/wav_based_simulator.h
+++ b/modules/audio_processing/test/wav_based_simulator.h
@@ -15,7 +15,7 @@
 
 #include "modules/audio_processing/test/audio_processing_simulator.h"
 
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 namespace test {
diff --git a/modules/audio_processing/transient/file_utils_unittest.cc b/modules/audio_processing/transient/file_utils_unittest.cc
index 89902ec..ced06b1 100644
--- a/modules/audio_processing/transient/file_utils_unittest.cc
+++ b/modules/audio_processing/transient/file_utils_unittest.cc
@@ -17,7 +17,7 @@
 
 #include "rtc_base/system/file_wrapper.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/transient/transient_detector_unittest.cc b/modules/audio_processing/transient/transient_detector_unittest.cc
index 091a573..11dd8aa 100644
--- a/modules/audio_processing/transient/transient_detector_unittest.cc
+++ b/modules/audio_processing/transient/transient_detector_unittest.cc
@@ -18,7 +18,7 @@
 #include "rtc_base/strings/string_builder.h"
 #include "rtc_base/system/file_wrapper.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/transient/transient_suppression_test.cc b/modules/audio_processing/transient/transient_suppression_test.cc
index e15f69c..57bddb6 100644
--- a/modules/audio_processing/transient/transient_suppression_test.cc
+++ b/modules/audio_processing/transient/transient_suppression_test.cc
@@ -21,7 +21,7 @@
 #include "modules/audio_processing/agc/agc.h"
 #include "rtc_base/flags.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 WEBRTC_DEFINE_string(in_file_name, "", "PCM file that contains the signal.");
 WEBRTC_DEFINE_string(detection_file_name,
diff --git a/modules/audio_processing/transient/wpd_tree_unittest.cc b/modules/audio_processing/transient/wpd_tree_unittest.cc
index 830a5df..1d6dbe8 100644
--- a/modules/audio_processing/transient/wpd_tree_unittest.cc
+++ b/modules/audio_processing/transient/wpd_tree_unittest.cc
@@ -18,7 +18,7 @@
 #include "rtc_base/strings/string_builder.h"
 #include "rtc_base/system/file_wrapper.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/utility/block_mean_calculator.h b/modules/audio_processing/utility/block_mean_calculator.h
index cfa7cfb..5ccdbef 100644
--- a/modules/audio_processing/utility/block_mean_calculator.h
+++ b/modules/audio_processing/utility/block_mean_calculator.h
@@ -13,7 +13,7 @@
 
 #include <stddef.h>
 
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/vad/pitch_based_vad_unittest.cc b/modules/audio_processing/vad/pitch_based_vad_unittest.cc
index fb6daa5..4a8331a 100644
--- a/modules/audio_processing/vad/pitch_based_vad_unittest.cc
+++ b/modules/audio_processing/vad/pitch_based_vad_unittest.cc
@@ -16,7 +16,7 @@
 #include <string>
 
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/vad/pole_zero_filter_unittest.cc b/modules/audio_processing/vad/pole_zero_filter_unittest.cc
index 38ee10f..8088b40 100644
--- a/modules/audio_processing/vad/pole_zero_filter_unittest.cc
+++ b/modules/audio_processing/vad/pole_zero_filter_unittest.cc
@@ -17,7 +17,7 @@
 
 #include "modules/audio_processing/vad/vad_audio_proc_internal.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/vad/standalone_vad_unittest.cc b/modules/audio_processing/vad/standalone_vad_unittest.cc
index 512276e..22b1f49 100644
--- a/modules/audio_processing/vad/standalone_vad_unittest.cc
+++ b/modules/audio_processing/vad/standalone_vad_unittest.cc
@@ -15,7 +15,7 @@
 #include <memory>
 
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/vad/vad_audio_proc_unittest.cc b/modules/audio_processing/vad/vad_audio_proc_unittest.cc
index 5b96be6..0afed84 100644
--- a/modules/audio_processing/vad/vad_audio_proc_unittest.cc
+++ b/modules/audio_processing/vad/vad_audio_proc_unittest.cc
@@ -21,7 +21,7 @@
 
 #include "modules/audio_processing/vad/common.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_processing/vad/voice_activity_detector_unittest.cc b/modules/audio_processing/vad/voice_activity_detector_unittest.cc
index 62eda2b..3214bd9 100644
--- a/modules/audio_processing/vad/voice_activity_detector_unittest.cc
+++ b/modules/audio_processing/vad/voice_activity_detector_unittest.cc
@@ -14,7 +14,7 @@
 #include <vector>
 
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 namespace {
diff --git a/modules/audio_processing/voice_detection_impl.cc b/modules/audio_processing/voice_detection_impl.cc
index c55ca4a..7bf6c4a 100644
--- a/modules/audio_processing/voice_detection_impl.cc
+++ b/modules/audio_processing/voice_detection_impl.cc
@@ -14,7 +14,7 @@
 #include "common_audio/vad/include/webrtc_vad.h"
 #include "modules/audio_processing/audio_buffer.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 class VoiceDetectionImpl::Vad {
diff --git a/modules/audio_processing/voice_detection_impl.h b/modules/audio_processing/voice_detection_impl.h
index c438473..6800566 100644
--- a/modules/audio_processing/voice_detection_impl.h
+++ b/modules/audio_processing/voice_detection_impl.h
@@ -15,8 +15,8 @@
 #include <memory>
 
 #include "modules/audio_processing/include/audio_processing.h"
-#include "rtc_base/constructormagic.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/constructor_magic.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/thread_annotations.h"
 
 namespace webrtc {
diff --git a/modules/bitrate_controller/bitrate_controller_impl.h b/modules/bitrate_controller/bitrate_controller_impl.h
index ee220b6..5448c17 100644
--- a/modules/bitrate_controller/bitrate_controller_impl.h
+++ b/modules/bitrate_controller/bitrate_controller_impl.h
@@ -23,8 +23,8 @@
 #include <vector>
 
 #include "modules/bitrate_controller/send_side_bandwidth_estimation.h"
-#include "rtc_base/constructormagic.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/constructor_magic.h"
+#include "rtc_base/critical_section.h"
 
 namespace webrtc {
 
diff --git a/modules/congestion_controller/bbr/rtt_stats.h b/modules/congestion_controller/bbr/rtt_stats.h
index f1c9f10..e8f0a8b 100644
--- a/modules/congestion_controller/bbr/rtt_stats.h
+++ b/modules/congestion_controller/bbr/rtt_stats.h
@@ -16,7 +16,7 @@
 #include "api/units/time_delta.h"
 #include "api/units/timestamp.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/logging.h"
 
 namespace webrtc {
diff --git a/modules/congestion_controller/goog_cc/acknowledged_bitrate_estimator_unittest.cc b/modules/congestion_controller/goog_cc/acknowledged_bitrate_estimator_unittest.cc
index 4991ee6..cfb7618 100644
--- a/modules/congestion_controller/goog_cc/acknowledged_bitrate_estimator_unittest.cc
+++ b/modules/congestion_controller/goog_cc/acknowledged_bitrate_estimator_unittest.cc
@@ -14,7 +14,7 @@
 
 #include "absl/memory/memory.h"
 #include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
-#include "rtc_base/fakeclock.h"
+#include "rtc_base/fake_clock.h"
 #include "test/gmock.h"
 #include "test/gtest.h"
 
diff --git a/modules/congestion_controller/goog_cc/alr_detector.cc b/modules/congestion_controller/goog_cc/alr_detector.cc
index db66942..3009de4 100644
--- a/modules/congestion_controller/goog_cc/alr_detector.cc
+++ b/modules/congestion_controller/goog_cc/alr_detector.cc
@@ -20,7 +20,7 @@
 #include "rtc_base/checks.h"
 #include "rtc_base/experiments/alr_experiment.h"
 #include "rtc_base/numerics/safe_conversions.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 
 namespace webrtc {
 AlrDetector::AlrDetector() : AlrDetector(nullptr) {}
diff --git a/modules/congestion_controller/goog_cc/delay_based_bwe.h b/modules/congestion_controller/goog_cc/delay_based_bwe.h
index f276dfe..ba9289c 100644
--- a/modules/congestion_controller/goog_cc/delay_based_bwe.h
+++ b/modules/congestion_controller/goog_cc/delay_based_bwe.h
@@ -23,7 +23,7 @@
 #include "modules/remote_bitrate_estimator/include/bwe_defines.h"
 #include "modules/remote_bitrate_estimator/inter_arrival.h"
 #include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"  // For PacketFeedback
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/race_checker.h"
 
 namespace webrtc {
diff --git a/modules/congestion_controller/goog_cc/delay_based_bwe_unittest_helper.h b/modules/congestion_controller/goog_cc/delay_based_bwe_unittest_helper.h
index 383f68d..4d8a00c 100644
--- a/modules/congestion_controller/goog_cc/delay_based_bwe_unittest_helper.h
+++ b/modules/congestion_controller/goog_cc/delay_based_bwe_unittest_helper.h
@@ -22,7 +22,7 @@
 #include "modules/congestion_controller/goog_cc/delay_based_bwe.h"
 #include "modules/remote_bitrate_estimator/include/remote_bitrate_estimator.h"
 #include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "system_wrappers/include/clock.h"
 #include "test/field_trial.h"
 #include "test/gtest.h"
diff --git a/modules/congestion_controller/goog_cc/delay_increase_detector_interface.h b/modules/congestion_controller/goog_cc/delay_increase_detector_interface.h
index e4f899a..40d945d 100644
--- a/modules/congestion_controller/goog_cc/delay_increase_detector_interface.h
+++ b/modules/congestion_controller/goog_cc/delay_increase_detector_interface.h
@@ -13,7 +13,7 @@
 #include <stdint.h>
 
 #include "modules/remote_bitrate_estimator/include/bwe_defines.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/congestion_controller/goog_cc/goog_cc_network_control.h b/modules/congestion_controller/goog_cc/goog_cc_network_control.h
index 6ba12ae..c188d11 100644
--- a/modules/congestion_controller/goog_cc/goog_cc_network_control.h
+++ b/modules/congestion_controller/goog_cc/goog_cc_network_control.h
@@ -30,7 +30,7 @@
 #include "modules/congestion_controller/goog_cc/delay_based_bwe.h"
 #include "modules/congestion_controller/goog_cc/delay_based_rate_controller.h"
 #include "modules/congestion_controller/goog_cc/probe_controller.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/experiments/field_trial_parser.h"
 
 namespace webrtc {
diff --git a/modules/congestion_controller/goog_cc/median_slope_estimator.h b/modules/congestion_controller/goog_cc/median_slope_estimator.h
index aeab4ea..3f1e3f5 100644
--- a/modules/congestion_controller/goog_cc/median_slope_estimator.h
+++ b/modules/congestion_controller/goog_cc/median_slope_estimator.h
@@ -16,7 +16,7 @@
 #include <deque>
 #include <vector>
 
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/numerics/percentile_filter.h"
 
 namespace webrtc {
diff --git a/modules/congestion_controller/goog_cc/probe_controller.h b/modules/congestion_controller/goog_cc/probe_controller.h
index 75f3ee7..98df8c7 100644
--- a/modules/congestion_controller/goog_cc/probe_controller.h
+++ b/modules/congestion_controller/goog_cc/probe_controller.h
@@ -18,7 +18,7 @@
 
 #include "absl/types/optional.h"
 #include "api/transport/network_control.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/system/unused.h"
 
 namespace webrtc {
diff --git a/modules/congestion_controller/goog_cc/trendline_estimator.h b/modules/congestion_controller/goog_cc/trendline_estimator.h
index 1826d81..260cd03 100644
--- a/modules/congestion_controller/goog_cc/trendline_estimator.h
+++ b/modules/congestion_controller/goog_cc/trendline_estimator.h
@@ -17,7 +17,7 @@
 
 #include "modules/congestion_controller/goog_cc/delay_increase_detector_interface.h"
 #include "modules/remote_bitrate_estimator/include/bwe_defines.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/congestion_controller/include/receive_side_congestion_controller.h b/modules/congestion_controller/include/receive_side_congestion_controller.h
index 2cb1b52..ad5d077 100644
--- a/modules/congestion_controller/include/receive_side_congestion_controller.h
+++ b/modules/congestion_controller/include/receive_side_congestion_controller.h
@@ -15,8 +15,8 @@
 #include <vector>
 
 #include "modules/remote_bitrate_estimator/remote_estimator_proxy.h"
-#include "rtc_base/constructormagic.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/constructor_magic.h"
+#include "rtc_base/critical_section.h"
 
 namespace webrtc {
 class RemoteBitrateEstimator;
diff --git a/modules/congestion_controller/include/send_side_congestion_controller.h b/modules/congestion_controller/include/send_side_congestion_controller.h
index 7f22ed2..1a601ec 100644
--- a/modules/congestion_controller/include/send_side_congestion_controller.h
+++ b/modules/congestion_controller/include/send_side_congestion_controller.h
@@ -22,10 +22,10 @@
 #include "modules/include/module.h"
 #include "modules/include/module_common_types.h"
 #include "modules/pacing/paced_sender.h"
-#include "rtc_base/constructormagic.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/constructor_magic.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/deprecation.h"
-#include "rtc_base/networkroute.h"
+#include "rtc_base/network_route.h"
 #include "rtc_base/race_checker.h"
 
 namespace rtc {
diff --git a/modules/congestion_controller/include/send_side_congestion_controller_interface.h b/modules/congestion_controller/include/send_side_congestion_controller_interface.h
index 0eeeabc..588c00b 100644
--- a/modules/congestion_controller/include/send_side_congestion_controller_interface.h
+++ b/modules/congestion_controller/include/send_side_congestion_controller_interface.h
@@ -19,9 +19,9 @@
 #include "modules/include/module.h"
 #include "modules/include/module_common_types.h"
 #include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/network/sent_packet.h"
-#include "rtc_base/networkroute.h"
+#include "rtc_base/network_route.h"
 
 namespace webrtc {
 
diff --git a/modules/congestion_controller/rtp/control_handler.h b/modules/congestion_controller/rtp/control_handler.h
index 0ecc6b1..e9016c7 100644
--- a/modules/congestion_controller/rtp/control_handler.h
+++ b/modules/congestion_controller/rtp/control_handler.h
@@ -18,7 +18,7 @@
 #include "api/units/data_size.h"
 #include "api/units/time_delta.h"
 #include "modules/pacing/paced_sender.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/sequenced_task_checker.h"
 
 namespace webrtc {
diff --git a/modules/congestion_controller/rtp/send_time_history.h b/modules/congestion_controller/rtp/send_time_history.h
index c28ca61..cba89b9 100644
--- a/modules/congestion_controller/rtp/send_time_history.h
+++ b/modules/congestion_controller/rtp/send_time_history.h
@@ -16,7 +16,7 @@
 
 #include "api/units/data_size.h"
 #include "modules/include/module_common_types.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 class Clock;
diff --git a/modules/congestion_controller/rtp/transport_feedback_adapter.h b/modules/congestion_controller/rtp/transport_feedback_adapter.h
index 1741d6d..eb90b5d 100644
--- a/modules/congestion_controller/rtp/transport_feedback_adapter.h
+++ b/modules/congestion_controller/rtp/transport_feedback_adapter.h
@@ -16,7 +16,7 @@
 
 #include "api/transport/network_types.h"
 #include "modules/congestion_controller/rtp/send_time_history.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/network/sent_packet.h"
 #include "rtc_base/thread_annotations.h"
 #include "rtc_base/thread_checker.h"
diff --git a/modules/congestion_controller/send_side_congestion_controller.cc b/modules/congestion_controller/send_side_congestion_controller.cc
index 3c8f72f..d49e567 100644
--- a/modules/congestion_controller/send_side_congestion_controller.cc
+++ b/modules/congestion_controller/send_side_congestion_controller.cc
@@ -31,7 +31,7 @@
 #include "rtc_base/logging.h"
 #include "rtc_base/network/sent_packet.h"
 #include "rtc_base/rate_limiter.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 #include "system_wrappers/include/field_trial.h"
 
 namespace webrtc {
diff --git a/modules/congestion_controller/transport_feedback_adapter.h b/modules/congestion_controller/transport_feedback_adapter.h
index c6ac2ad..a8318f6 100644
--- a/modules/congestion_controller/transport_feedback_adapter.h
+++ b/modules/congestion_controller/transport_feedback_adapter.h
@@ -16,7 +16,7 @@
 
 #include "api/transport/network_types.h"
 #include "modules/congestion_controller/rtp/send_time_history.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/thread_annotations.h"
 #include "rtc_base/thread_checker.h"
 #include "system_wrappers/include/clock.h"
diff --git a/modules/desktop_capture/cropped_desktop_frame.cc b/modules/desktop_capture/cropped_desktop_frame.cc
index 45f4d8f..311f254 100644
--- a/modules/desktop_capture/cropped_desktop_frame.cc
+++ b/modules/desktop_capture/cropped_desktop_frame.cc
@@ -14,7 +14,7 @@
 #include "modules/desktop_capture/cropped_desktop_frame.h"
 #include "modules/desktop_capture/desktop_region.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/desktop_capture/desktop_and_cursor_composer.cc b/modules/desktop_capture/desktop_and_cursor_composer.cc
index fae34b4..649b791 100644
--- a/modules/desktop_capture/desktop_and_cursor_composer.cc
+++ b/modules/desktop_capture/desktop_and_cursor_composer.cc
@@ -20,7 +20,7 @@
 #include "modules/desktop_capture/mouse_cursor.h"
 #include "modules/desktop_capture/mouse_cursor_monitor.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/desktop_capture/desktop_and_cursor_composer.h b/modules/desktop_capture/desktop_and_cursor_composer.h
index 4c66113..1381106 100644
--- a/modules/desktop_capture/desktop_and_cursor_composer.h
+++ b/modules/desktop_capture/desktop_and_cursor_composer.h
@@ -21,7 +21,7 @@
 #include "modules/desktop_capture/mouse_cursor.h"
 #include "modules/desktop_capture/mouse_cursor_monitor.h"
 #include "modules/desktop_capture/shared_memory.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/system/rtc_export.h"
 
 namespace webrtc {
diff --git a/modules/desktop_capture/desktop_capturer_differ_wrapper.cc b/modules/desktop_capture/desktop_capturer_differ_wrapper.cc
index 4759f9a..1b90fd5 100644
--- a/modules/desktop_capture/desktop_capturer_differ_wrapper.cc
+++ b/modules/desktop_capture/desktop_capturer_differ_wrapper.cc
@@ -18,7 +18,7 @@
 #include "modules/desktop_capture/desktop_region.h"
 #include "modules/desktop_capture/differ_block.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/desktop_capture/desktop_capturer_differ_wrapper_unittest.cc b/modules/desktop_capture/desktop_capturer_differ_wrapper_unittest.cc
index eb2b8b2..0ae46f5 100644
--- a/modules/desktop_capture/desktop_capturer_differ_wrapper_unittest.cc
+++ b/modules/desktop_capture/desktop_capturer_differ_wrapper_unittest.cc
@@ -21,7 +21,7 @@
 #include "modules/desktop_capture/fake_desktop_capturer.h"
 #include "modules/desktop_capture/mock_desktop_capturer_callback.h"
 #include "rtc_base/random.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 #include "system_wrappers/include/cpu_features_wrapper.h"
 #include "test/gtest.h"
 
diff --git a/modules/desktop_capture/desktop_frame.h b/modules/desktop_capture/desktop_frame.h
index 69fed35..803a2f4 100644
--- a/modules/desktop_capture/desktop_frame.h
+++ b/modules/desktop_capture/desktop_frame.h
@@ -17,7 +17,7 @@
 #include "modules/desktop_capture/desktop_geometry.h"
 #include "modules/desktop_capture/desktop_region.h"
 #include "modules/desktop_capture/shared_memory.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/system/rtc_export.h"
 
 namespace webrtc {
diff --git a/modules/desktop_capture/desktop_frame_generator.cc b/modules/desktop_capture/desktop_frame_generator.cc
index 8527d4d..947b389 100644
--- a/modules/desktop_capture/desktop_frame_generator.cc
+++ b/modules/desktop_capture/desktop_frame_generator.cc
@@ -17,7 +17,7 @@
 #include "modules/desktop_capture/rgba_color.h"
 #include "rtc_base/checks.h"
 #include "rtc_base/random.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/desktop_capture/desktop_frame_win.h b/modules/desktop_capture/desktop_frame_win.h
index cd953f0..e8861d5 100644
--- a/modules/desktop_capture/desktop_frame_win.h
+++ b/modules/desktop_capture/desktop_frame_win.h
@@ -16,7 +16,7 @@
 #include <windows.h>
 
 #include "modules/desktop_capture/desktop_frame.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/desktop_capture/linux/base_capturer_pipewire.h b/modules/desktop_capture/linux/base_capturer_pipewire.h
index 56b101a..d7910aa 100644
--- a/modules/desktop_capture/linux/base_capturer_pipewire.h
+++ b/modules/desktop_capture/linux/base_capturer_pipewire.h
@@ -18,7 +18,7 @@
 
 #include "modules/desktop_capture/desktop_capture_options.h"
 #include "modules/desktop_capture/desktop_capturer.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/desktop_capture/linux/screen_capturer_x11.cc b/modules/desktop_capture/linux/screen_capturer_x11.cc
index 24f70b7..6cd40c1 100644
--- a/modules/desktop_capture/linux/screen_capturer_x11.cc
+++ b/modules/desktop_capture/linux/screen_capturer_x11.cc
@@ -29,7 +29,7 @@
 #include "modules/desktop_capture/shared_desktop_frame.h"
 #include "rtc_base/checks.h"
 #include "rtc_base/logging.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 #include "rtc_base/trace_event.h"
 
 namespace webrtc {
diff --git a/modules/desktop_capture/linux/screen_capturer_x11.h b/modules/desktop_capture/linux/screen_capturer_x11.h
index e57cb20..6412a76 100644
--- a/modules/desktop_capture/linux/screen_capturer_x11.h
+++ b/modules/desktop_capture/linux/screen_capturer_x11.h
@@ -26,7 +26,7 @@
 #include "modules/desktop_capture/screen_capture_frame_queue.h"
 #include "modules/desktop_capture/screen_capturer_helper.h"
 #include "modules/desktop_capture/shared_desktop_frame.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/desktop_capture/linux/shared_x_display.h b/modules/desktop_capture/linux/shared_x_display.h
index a14f41f..0829e09 100644
--- a/modules/desktop_capture/linux/shared_x_display.h
+++ b/modules/desktop_capture/linux/shared_x_display.h
@@ -16,8 +16,8 @@
 
 #include <string>
 
-#include "api/refcountedbase.h"
-#include "rtc_base/constructormagic.h"
+#include "api/ref_counted_base.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/scoped_ref_ptr.h"
 
 // Including Xlib.h will involve evil defines (Bool, Status, True, False), which
diff --git a/modules/desktop_capture/linux/window_capturer_x11.h b/modules/desktop_capture/linux/window_capturer_x11.h
index a9ad421..0f81950 100644
--- a/modules/desktop_capture/linux/window_capturer_x11.h
+++ b/modules/desktop_capture/linux/window_capturer_x11.h
@@ -23,7 +23,7 @@
 #include "modules/desktop_capture/linux/window_finder_x11.h"
 #include "modules/desktop_capture/linux/x_atom_cache.h"
 #include "modules/desktop_capture/linux/x_server_pixel_buffer.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/scoped_ref_ptr.h"
 
 namespace webrtc {
diff --git a/modules/desktop_capture/linux/window_list_utils.cc b/modules/desktop_capture/linux/window_list_utils.cc
index f130b71..906042a 100644
--- a/modules/desktop_capture/linux/window_list_utils.cc
+++ b/modules/desktop_capture/linux/window_list_utils.cc
@@ -17,7 +17,7 @@
 
 #include "modules/desktop_capture/linux/x_error_trap.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/logging.h"
 
 namespace webrtc {
diff --git a/modules/desktop_capture/linux/x_error_trap.h b/modules/desktop_capture/linux/x_error_trap.h
index a9d059a..1fb0fdc 100644
--- a/modules/desktop_capture/linux/x_error_trap.h
+++ b/modules/desktop_capture/linux/x_error_trap.h
@@ -13,7 +13,7 @@
 
 #include <X11/Xlib.h>
 
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/desktop_capture/linux/x_server_pixel_buffer.h b/modules/desktop_capture/linux/x_server_pixel_buffer.h
index a9398da..a11ca20 100644
--- a/modules/desktop_capture/linux/x_server_pixel_buffer.h
+++ b/modules/desktop_capture/linux/x_server_pixel_buffer.h
@@ -17,7 +17,7 @@
 #include <X11/extensions/XShm.h>
 
 #include "modules/desktop_capture/desktop_geometry.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/desktop_capture/mac/desktop_configuration_monitor.h b/modules/desktop_capture/mac/desktop_configuration_monitor.h
index cbf580b..1ed4c6b 100644
--- a/modules/desktop_capture/mac/desktop_configuration_monitor.h
+++ b/modules/desktop_capture/mac/desktop_configuration_monitor.h
@@ -16,10 +16,10 @@
 #include <memory>
 #include <set>
 
-#include "api/refcountedbase.h"
+#include "api/ref_counted_base.h"
 #include "modules/desktop_capture/mac/desktop_configuration.h"
-#include "rtc_base/constructormagic.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/constructor_magic.h"
+#include "rtc_base/critical_section.h"
 
 namespace webrtc {
 
diff --git a/modules/desktop_capture/mac/full_screen_chrome_window_detector.cc b/modules/desktop_capture/mac/full_screen_chrome_window_detector.cc
index 1f99de5..3a26c77 100644
--- a/modules/desktop_capture/mac/full_screen_chrome_window_detector.cc
+++ b/modules/desktop_capture/mac/full_screen_chrome_window_detector.cc
@@ -15,8 +15,8 @@
 
 #include "modules/desktop_capture/mac/window_list_utils.h"
 #include "rtc_base/logging.h"
-#include "rtc_base/macutils.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/mac_utils.h"
+#include "rtc_base/time_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/desktop_capture/mac/full_screen_chrome_window_detector.h b/modules/desktop_capture/mac/full_screen_chrome_window_detector.h
index 4fbe000..2ee99ad 100644
--- a/modules/desktop_capture/mac/full_screen_chrome_window_detector.h
+++ b/modules/desktop_capture/mac/full_screen_chrome_window_detector.h
@@ -13,9 +13,9 @@
 
 #include <ApplicationServices/ApplicationServices.h>
 
-#include "api/refcountedbase.h"
+#include "api/ref_counted_base.h"
 #include "modules/desktop_capture/desktop_capturer.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/desktop_capture/mac/screen_capturer_mac.mm b/modules/desktop_capture/mac/screen_capturer_mac.mm
index 9f50673..8f9a9d3 100644
--- a/modules/desktop_capture/mac/screen_capturer_mac.mm
+++ b/modules/desktop_capture/mac/screen_capturer_mac.mm
@@ -14,9 +14,9 @@
 
 #include "modules/desktop_capture/mac/desktop_frame_provider.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/logging.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 #include "rtc_base/trace_event.h"
 #include "sdk/objc/helpers/scoped_cftyperef.h"
 
diff --git a/modules/desktop_capture/mac/window_list_utils.cc b/modules/desktop_capture/mac/window_list_utils.cc
index 7f89cde..6e1fc3f 100644
--- a/modules/desktop_capture/mac/window_list_utils.cc
+++ b/modules/desktop_capture/mac/window_list_utils.cc
@@ -17,7 +17,7 @@
 #include <iterator>
 
 #include "rtc_base/checks.h"
-#include "rtc_base/macutils.h"
+#include "rtc_base/mac_utils.h"
 
 static_assert(static_cast<webrtc::WindowId>(kCGNullWindowID) ==
                   webrtc::kNullWindowId,
diff --git a/modules/desktop_capture/mouse_cursor.h b/modules/desktop_capture/mouse_cursor.h
index d27c439..1d997e2 100644
--- a/modules/desktop_capture/mouse_cursor.h
+++ b/modules/desktop_capture/mouse_cursor.h
@@ -15,7 +15,7 @@
 
 #include "modules/desktop_capture/desktop_frame.h"
 #include "modules/desktop_capture/desktop_geometry.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/desktop_capture/mouse_cursor_monitor_mac.mm b/modules/desktop_capture/mouse_cursor_monitor_mac.mm
index 3402a5f..814a45a 100644
--- a/modules/desktop_capture/mouse_cursor_monitor_mac.mm
+++ b/modules/desktop_capture/mouse_cursor_monitor_mac.mm
@@ -26,7 +26,7 @@
 #include "modules/desktop_capture/mac/full_screen_chrome_window_detector.h"
 #include "modules/desktop_capture/mac/window_list_utils.h"
 #include "modules/desktop_capture/mouse_cursor.h"
-#include "rtc_base/macutils.h"
+#include "rtc_base/mac_utils.h"
 #include "rtc_base/scoped_ref_ptr.h"
 
 namespace webrtc {
diff --git a/modules/desktop_capture/screen_capture_frame_queue.h b/modules/desktop_capture/screen_capture_frame_queue.h
index a5bb595..40dc6da 100644
--- a/modules/desktop_capture/screen_capture_frame_queue.h
+++ b/modules/desktop_capture/screen_capture_frame_queue.h
@@ -13,7 +13,7 @@
 
 #include <memory>
 
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 // TODO(zijiehe): These headers are not used in this file, but to avoid build
 // break in remoting/host. We should add headers in each individual files.
 #include "modules/desktop_capture/desktop_frame.h"         // Remove
diff --git a/modules/desktop_capture/screen_capturer_helper.h b/modules/desktop_capture/screen_capturer_helper.h
index d8fc368..fc4c85b 100644
--- a/modules/desktop_capture/screen_capturer_helper.h
+++ b/modules/desktop_capture/screen_capturer_helper.h
@@ -15,7 +15,7 @@
 
 #include "modules/desktop_capture/desktop_geometry.h"
 #include "modules/desktop_capture/desktop_region.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/synchronization/rw_lock_wrapper.h"
 
 namespace webrtc {
diff --git a/modules/desktop_capture/screen_capturer_integration_test.cc b/modules/desktop_capture/screen_capturer_integration_test.cc
index 3fe38da..cb0e475 100644
--- a/modules/desktop_capture/screen_capturer_integration_test.cc
+++ b/modules/desktop_capture/screen_capturer_integration_test.cc
@@ -25,7 +25,7 @@
 #include "modules/desktop_capture/rgba_color.h"
 #include "modules/desktop_capture/screen_drawer.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/logging.h"
 #include "rtc_base/third_party/base64/base64.h"
 #include "test/gmock.h"
diff --git a/modules/desktop_capture/screen_capturer_unittest.cc b/modules/desktop_capture/screen_capturer_unittest.cc
index 90197d6..a0b7cc5 100644
--- a/modules/desktop_capture/screen_capturer_unittest.cc
+++ b/modules/desktop_capture/screen_capturer_unittest.cc
@@ -15,7 +15,7 @@
 #include "modules/desktop_capture/desktop_frame.h"
 #include "modules/desktop_capture/desktop_region.h"
 #include "modules/desktop_capture/mock_desktop_capturer_callback.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/logging.h"
 #include "test/gmock.h"
 #include "test/gtest.h"
diff --git a/modules/desktop_capture/screen_drawer_unittest.cc b/modules/desktop_capture/screen_drawer_unittest.cc
index d48fa89..2186ada 100644
--- a/modules/desktop_capture/screen_drawer_unittest.cc
+++ b/modules/desktop_capture/screen_drawer_unittest.cc
@@ -19,7 +19,7 @@
 #include "rtc_base/logging.h"
 #include "rtc_base/platform_thread.h"
 #include "rtc_base/random.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 #include "system_wrappers/include/sleep.h"
 #include "test/gtest.h"
 
diff --git a/modules/desktop_capture/shared_desktop_frame.h b/modules/desktop_capture/shared_desktop_frame.h
index 4854361..12671de 100644
--- a/modules/desktop_capture/shared_desktop_frame.h
+++ b/modules/desktop_capture/shared_desktop_frame.h
@@ -14,8 +14,8 @@
 #include <memory>
 
 #include "modules/desktop_capture/desktop_frame.h"
-#include "rtc_base/constructormagic.h"
-#include "rtc_base/refcountedobject.h"
+#include "rtc_base/constructor_magic.h"
+#include "rtc_base/ref_counted_object.h"
 #include "rtc_base/scoped_ref_ptr.h"
 #include "rtc_base/system/rtc_export.h"
 
diff --git a/modules/desktop_capture/shared_memory.h b/modules/desktop_capture/shared_memory.h
index 81d4a30..ba846da 100644
--- a/modules/desktop_capture/shared_memory.h
+++ b/modules/desktop_capture/shared_memory.h
@@ -19,7 +19,7 @@
 
 #include <memory>
 
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/desktop_capture/win/desktop.h b/modules/desktop_capture/win/desktop.h
index 94857ec..deb83cf 100644
--- a/modules/desktop_capture/win/desktop.h
+++ b/modules/desktop_capture/win/desktop.h
@@ -14,7 +14,7 @@
 #include <windows.h>
 #include <string>
 
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/desktop_capture/win/dxgi_duplicator_controller.cc b/modules/desktop_capture/win/dxgi_duplicator_controller.cc
index 2029811..bdf4958 100644
--- a/modules/desktop_capture/win/dxgi_duplicator_controller.cc
+++ b/modules/desktop_capture/win/dxgi_duplicator_controller.cc
@@ -20,7 +20,7 @@
 #include "modules/desktop_capture/win/screen_capture_utils.h"
 #include "rtc_base/checks.h"
 #include "rtc_base/logging.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 #include "system_wrappers/include/sleep.h"
 
 namespace webrtc {
diff --git a/modules/desktop_capture/win/dxgi_duplicator_controller.h b/modules/desktop_capture/win/dxgi_duplicator_controller.h
index ecae481..a4f967d 100644
--- a/modules/desktop_capture/win/dxgi_duplicator_controller.h
+++ b/modules/desktop_capture/win/dxgi_duplicator_controller.h
@@ -24,7 +24,7 @@
 #include "modules/desktop_capture/win/dxgi_adapter_duplicator.h"
 #include "modules/desktop_capture/win/dxgi_context.h"
 #include "modules/desktop_capture/win/dxgi_frame.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/scoped_ref_ptr.h"
 
 namespace webrtc {
diff --git a/modules/desktop_capture/win/dxgi_output_duplicator.cc b/modules/desktop_capture/win/dxgi_output_duplicator.cc
index f1f6f42..a9ea02e 100644
--- a/modules/desktop_capture/win/dxgi_output_duplicator.cc
+++ b/modules/desktop_capture/win/dxgi_output_duplicator.cc
@@ -23,7 +23,7 @@
 #include "modules/desktop_capture/win/dxgi_texture_staging.h"
 #include "rtc_base/checks.h"
 #include "rtc_base/logging.h"
-#include "rtc_base/stringutils.h"
+#include "rtc_base/string_utils.h"
 #include "rtc_base/win32.h"
 
 namespace webrtc {
diff --git a/modules/desktop_capture/win/dxgi_output_duplicator.h b/modules/desktop_capture/win/dxgi_output_duplicator.h
index d2a019d..9c05a70 100644
--- a/modules/desktop_capture/win/dxgi_output_duplicator.h
+++ b/modules/desktop_capture/win/dxgi_output_duplicator.h
@@ -27,7 +27,7 @@
 #include "modules/desktop_capture/win/d3d_device.h"
 #include "modules/desktop_capture/win/dxgi_context.h"
 #include "modules/desktop_capture/win/dxgi_texture.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/thread_annotations.h"
 
 namespace webrtc {
diff --git a/modules/desktop_capture/win/scoped_gdi_object.h b/modules/desktop_capture/win/scoped_gdi_object.h
index 0de316c..56abe95 100644
--- a/modules/desktop_capture/win/scoped_gdi_object.h
+++ b/modules/desktop_capture/win/scoped_gdi_object.h
@@ -13,7 +13,7 @@
 
 #include <windows.h>
 
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 namespace win {
diff --git a/modules/desktop_capture/win/scoped_thread_desktop.h b/modules/desktop_capture/win/scoped_thread_desktop.h
index 7ea6d31..83ce454 100644
--- a/modules/desktop_capture/win/scoped_thread_desktop.h
+++ b/modules/desktop_capture/win/scoped_thread_desktop.h
@@ -15,7 +15,7 @@
 
 #include <windows.h>
 
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/desktop_capture/win/screen_capture_utils.cc b/modules/desktop_capture/win/screen_capture_utils.cc
index e294497..6ab9738 100644
--- a/modules/desktop_capture/win/screen_capture_utils.cc
+++ b/modules/desktop_capture/win/screen_capture_utils.cc
@@ -17,7 +17,7 @@
 
 #include "modules/desktop_capture/desktop_capturer.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/stringutils.h"
+#include "rtc_base/string_utils.h"
 #include "rtc_base/win32.h"
 
 namespace webrtc {
diff --git a/modules/desktop_capture/win/screen_capturer_win_directx.cc b/modules/desktop_capture/win/screen_capturer_win_directx.cc
index f038c70..7d4d0aa 100644
--- a/modules/desktop_capture/win/screen_capturer_win_directx.cc
+++ b/modules/desktop_capture/win/screen_capturer_win_directx.cc
@@ -20,7 +20,7 @@
 #include "modules/desktop_capture/win/screen_capture_utils.h"
 #include "rtc_base/checks.h"
 #include "rtc_base/logging.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 #include "rtc_base/trace_event.h"
 
 namespace webrtc {
diff --git a/modules/desktop_capture/win/screen_capturer_win_gdi.cc b/modules/desktop_capture/win/screen_capturer_win_gdi.cc
index 03f8340..866386c 100644
--- a/modules/desktop_capture/win/screen_capturer_win_gdi.cc
+++ b/modules/desktop_capture/win/screen_capturer_win_gdi.cc
@@ -22,7 +22,7 @@
 #include "modules/desktop_capture/win/screen_capture_utils.h"
 #include "rtc_base/checks.h"
 #include "rtc_base/logging.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 #include "rtc_base/trace_event.h"
 
 namespace webrtc {
diff --git a/modules/desktop_capture/win/screen_capturer_win_gdi.h b/modules/desktop_capture/win/screen_capturer_win_gdi.h
index be4794e..a9c0fa9 100644
--- a/modules/desktop_capture/win/screen_capturer_win_gdi.h
+++ b/modules/desktop_capture/win/screen_capturer_win_gdi.h
@@ -20,7 +20,7 @@
 #include "modules/desktop_capture/shared_desktop_frame.h"
 #include "modules/desktop_capture/win/display_configuration_monitor.h"
 #include "modules/desktop_capture/win/scoped_thread_desktop.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/desktop_capture/win/screen_capturer_win_magnifier.cc b/modules/desktop_capture/win/screen_capturer_win_magnifier.cc
index c7b07d1..891717c 100644
--- a/modules/desktop_capture/win/screen_capturer_win_magnifier.cc
+++ b/modules/desktop_capture/win/screen_capturer_win_magnifier.cc
@@ -22,7 +22,7 @@
 #include "modules/desktop_capture/win/screen_capture_utils.h"
 #include "rtc_base/checks.h"
 #include "rtc_base/logging.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/desktop_capture/win/screen_capturer_win_magnifier.h b/modules/desktop_capture/win/screen_capturer_win_magnifier.h
index 28f29bc..b14beeb 100644
--- a/modules/desktop_capture/win/screen_capturer_win_magnifier.h
+++ b/modules/desktop_capture/win/screen_capturer_win_magnifier.h
@@ -22,7 +22,7 @@
 #include "modules/desktop_capture/screen_capturer_helper.h"
 #include "modules/desktop_capture/shared_desktop_frame.h"
 #include "modules/desktop_capture/win/scoped_thread_desktop.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/desktop_capture/win/window_capture_utils.h b/modules/desktop_capture/win/window_capture_utils.h
index 024c7eb..529d1b6 100644
--- a/modules/desktop_capture/win/window_capture_utils.h
+++ b/modules/desktop_capture/win/window_capture_utils.h
@@ -13,7 +13,7 @@
 #include <wrl/client.h>
 
 #include "modules/desktop_capture/desktop_geometry.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/desktop_capture/window_capturer_mac.mm b/modules/desktop_capture/window_capturer_mac.mm
index b0647f0..ae763f1 100644
--- a/modules/desktop_capture/window_capturer_mac.mm
+++ b/modules/desktop_capture/window_capturer_mac.mm
@@ -23,9 +23,9 @@
 #include "modules/desktop_capture/mac/full_screen_chrome_window_detector.h"
 #include "modules/desktop_capture/mac/window_list_utils.h"
 #include "modules/desktop_capture/window_finder_mac.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/logging.h"
-#include "rtc_base/macutils.h"
+#include "rtc_base/mac_utils.h"
 #include "rtc_base/scoped_ref_ptr.h"
 #include "rtc_base/trace_event.h"
 
diff --git a/modules/desktop_capture/window_capturer_null.cc b/modules/desktop_capture/window_capturer_null.cc
index b4e8fea..66e76a5 100644
--- a/modules/desktop_capture/window_capturer_null.cc
+++ b/modules/desktop_capture/window_capturer_null.cc
@@ -12,7 +12,7 @@
 
 #include "modules/desktop_capture/desktop_capturer.h"
 #include "modules/desktop_capture/desktop_frame.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/desktop_capture/window_capturer_win.cc b/modules/desktop_capture/window_capturer_win.cc
index f345a5e..6730734 100644
--- a/modules/desktop_capture/window_capturer_win.cc
+++ b/modules/desktop_capture/window_capturer_win.cc
@@ -18,9 +18,9 @@
 #include "modules/desktop_capture/win/window_capture_utils.h"
 #include "modules/desktop_capture/window_finder_win.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/logging.h"
-#include "rtc_base/stringutils.h"
+#include "rtc_base/string_utils.h"
 #include "rtc_base/trace_event.h"
 #include "rtc_base/win32.h"
 
diff --git a/modules/pacing/paced_sender.h b/modules/pacing/paced_sender.h
index 8ca32c3..1949dc0 100644
--- a/modules/pacing/paced_sender.h
+++ b/modules/pacing/paced_sender.h
@@ -24,7 +24,7 @@
 #include "modules/pacing/round_robin_packet_queue.h"
 #include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
 #include "modules/utility/include/process_thread.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/experiments/field_trial_parser.h"
 #include "rtc_base/thread_annotations.h"
 
diff --git a/modules/pacing/packet_router.cc b/modules/pacing/packet_router.cc
index 24be7ee..d674e22 100644
--- a/modules/pacing/packet_router.cc
+++ b/modules/pacing/packet_router.cc
@@ -18,9 +18,9 @@
 #include "modules/rtp_rtcp/include/rtp_rtcp.h"
 #include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
 #include "modules/rtp_rtcp/source/rtcp_packet/transport_feedback.h"
-#include "rtc_base/atomicops.h"
+#include "rtc_base/atomic_ops.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 
 namespace webrtc {
 namespace {
diff --git a/modules/pacing/packet_router.h b/modules/pacing/packet_router.h
index b7cc5ff..3362298 100644
--- a/modules/pacing/packet_router.h
+++ b/modules/pacing/packet_router.h
@@ -20,8 +20,8 @@
 #include "modules/pacing/paced_sender.h"
 #include "modules/remote_bitrate_estimator/include/remote_bitrate_estimator.h"
 #include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
-#include "rtc_base/constructormagic.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/constructor_magic.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/thread_annotations.h"
 
 namespace webrtc {
diff --git a/modules/pacing/packet_router_unittest.cc b/modules/pacing/packet_router_unittest.cc
index f4a71c8..b3d91e6 100644
--- a/modules/pacing/packet_router_unittest.cc
+++ b/modules/pacing/packet_router_unittest.cc
@@ -16,7 +16,7 @@
 #include "modules/rtp_rtcp/mocks/mock_rtp_rtcp.h"
 #include "modules/rtp_rtcp/source/rtcp_packet/transport_feedback.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/fakeclock.h"
+#include "rtc_base/fake_clock.h"
 #include "test/gmock.h"
 #include "test/gtest.h"
 
diff --git a/modules/remote_bitrate_estimator/bwe_simulations.cc b/modules/remote_bitrate_estimator/bwe_simulations.cc
index 6579fe7..a1fde94 100644
--- a/modules/remote_bitrate_estimator/bwe_simulations.cc
+++ b/modules/remote_bitrate_estimator/bwe_simulations.cc
@@ -19,11 +19,11 @@
 #include "modules/remote_bitrate_estimator/test/bwe_test_framework.h"
 #include "modules/remote_bitrate_estimator/test/packet_receiver.h"
 #include "modules/remote_bitrate_estimator/test/packet_sender.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/random.h"
 #include "system_wrappers/include/clock.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 namespace testing {
diff --git a/modules/remote_bitrate_estimator/inter_arrival.h b/modules/remote_bitrate_estimator/inter_arrival.h
index f2facd4..1d84970 100644
--- a/modules/remote_bitrate_estimator/inter_arrival.h
+++ b/modules/remote_bitrate_estimator/inter_arrival.h
@@ -14,7 +14,7 @@
 #include <stddef.h>
 #include <stdint.h>
 
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/remote_bitrate_estimator/overuse_detector.h b/modules/remote_bitrate_estimator/overuse_detector.h
index 61d1c3f..a72881b 100644
--- a/modules/remote_bitrate_estimator/overuse_detector.h
+++ b/modules/remote_bitrate_estimator/overuse_detector.h
@@ -13,7 +13,7 @@
 #include <stdint.h>
 
 #include "modules/remote_bitrate_estimator/include/bwe_defines.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/remote_bitrate_estimator/overuse_estimator.h b/modules/remote_bitrate_estimator/overuse_estimator.h
index 3d7bd16..c06345b 100644
--- a/modules/remote_bitrate_estimator/overuse_estimator.h
+++ b/modules/remote_bitrate_estimator/overuse_estimator.h
@@ -15,7 +15,7 @@
 
 #include "common_types.h"  // NOLINT(build/include)
 #include "modules/remote_bitrate_estimator/include/bwe_defines.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/remote_bitrate_estimator/remote_bitrate_estimator_abs_send_time.cc b/modules/remote_bitrate_estimator/remote_bitrate_estimator_abs_send_time.cc
index 1ad35c7..3f943cc 100644
--- a/modules/remote_bitrate_estimator/remote_bitrate_estimator_abs_send_time.cc
+++ b/modules/remote_bitrate_estimator/remote_bitrate_estimator_abs_send_time.cc
@@ -16,7 +16,7 @@
 
 #include "modules/remote_bitrate_estimator/include/remote_bitrate_estimator.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/logging.h"
 #include "rtc_base/thread_annotations.h"
 #include "system_wrappers/include/metrics.h"
diff --git a/modules/remote_bitrate_estimator/remote_bitrate_estimator_abs_send_time.h b/modules/remote_bitrate_estimator/remote_bitrate_estimator_abs_send_time.h
index 5f7f7e9..aee10ca 100644
--- a/modules/remote_bitrate_estimator/remote_bitrate_estimator_abs_send_time.h
+++ b/modules/remote_bitrate_estimator/remote_bitrate_estimator_abs_send_time.h
@@ -25,8 +25,8 @@
 #include "modules/remote_bitrate_estimator/overuse_detector.h"
 #include "modules/remote_bitrate_estimator/overuse_estimator.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/constructormagic.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/constructor_magic.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/race_checker.h"
 #include "rtc_base/rate_statistics.h"
 #include "rtc_base/thread_annotations.h"
diff --git a/modules/remote_bitrate_estimator/remote_bitrate_estimator_abs_send_time_unittest.cc b/modules/remote_bitrate_estimator/remote_bitrate_estimator_abs_send_time_unittest.cc
index 117beba..10dd99c 100644
--- a/modules/remote_bitrate_estimator/remote_bitrate_estimator_abs_send_time_unittest.cc
+++ b/modules/remote_bitrate_estimator/remote_bitrate_estimator_abs_send_time_unittest.cc
@@ -11,7 +11,7 @@
 #include "modules/remote_bitrate_estimator/remote_bitrate_estimator_abs_send_time.h"
 
 #include "modules/remote_bitrate_estimator/remote_bitrate_estimator_unittest_helper.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "test/gtest.h"
 
 namespace webrtc {
diff --git a/modules/remote_bitrate_estimator/remote_bitrate_estimator_single_stream.h b/modules/remote_bitrate_estimator/remote_bitrate_estimator_single_stream.h
index 638f0d6..ab54218 100644
--- a/modules/remote_bitrate_estimator/remote_bitrate_estimator_single_stream.h
+++ b/modules/remote_bitrate_estimator/remote_bitrate_estimator_single_stream.h
@@ -19,8 +19,8 @@
 
 #include "modules/remote_bitrate_estimator/aimd_rate_control.h"
 #include "modules/remote_bitrate_estimator/include/remote_bitrate_estimator.h"
-#include "rtc_base/constructormagic.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/constructor_magic.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/rate_statistics.h"
 #include "rtc_base/thread_annotations.h"
 
diff --git a/modules/remote_bitrate_estimator/remote_bitrate_estimator_single_stream_unittest.cc b/modules/remote_bitrate_estimator/remote_bitrate_estimator_single_stream_unittest.cc
index c1116a4..d0a7b22 100644
--- a/modules/remote_bitrate_estimator/remote_bitrate_estimator_single_stream_unittest.cc
+++ b/modules/remote_bitrate_estimator/remote_bitrate_estimator_single_stream_unittest.cc
@@ -11,7 +11,7 @@
 #include "modules/remote_bitrate_estimator/remote_bitrate_estimator_single_stream.h"
 
 #include "modules/remote_bitrate_estimator/remote_bitrate_estimator_unittest_helper.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "test/gtest.h"
 
 namespace webrtc {
diff --git a/modules/remote_bitrate_estimator/remote_bitrate_estimator_unittest_helper.h b/modules/remote_bitrate_estimator/remote_bitrate_estimator_unittest_helper.h
index c3a323b..8485ada 100644
--- a/modules/remote_bitrate_estimator/remote_bitrate_estimator_unittest_helper.h
+++ b/modules/remote_bitrate_estimator/remote_bitrate_estimator_unittest_helper.h
@@ -18,7 +18,7 @@
 #include <vector>
 
 #include "modules/remote_bitrate_estimator/include/remote_bitrate_estimator.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "system_wrappers/include/clock.h"
 #include "test/gtest.h"
 
diff --git a/modules/remote_bitrate_estimator/remote_bitrate_estimators_test.cc b/modules/remote_bitrate_estimator/remote_bitrate_estimators_test.cc
index 74feed2..1d03038 100644
--- a/modules/remote_bitrate_estimator/remote_bitrate_estimators_test.cc
+++ b/modules/remote_bitrate_estimator/remote_bitrate_estimators_test.cc
@@ -20,12 +20,12 @@
 #include "modules/remote_bitrate_estimator/test/bwe_test_framework.h"
 #include "modules/remote_bitrate_estimator/test/packet_receiver.h"
 #include "modules/remote_bitrate_estimator/test/packet_sender.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/random.h"
 #include "system_wrappers/include/clock.h"
 #include "test/field_trial.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 namespace testing {
diff --git a/modules/remote_bitrate_estimator/remote_estimator_proxy.h b/modules/remote_bitrate_estimator/remote_estimator_proxy.h
index 63994c4..ed4e29b 100644
--- a/modules/remote_bitrate_estimator/remote_estimator_proxy.h
+++ b/modules/remote_bitrate_estimator/remote_estimator_proxy.h
@@ -16,7 +16,7 @@
 
 #include "modules/include/module_common_types.h"
 #include "modules/remote_bitrate_estimator/include/remote_bitrate_estimator.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 
 namespace webrtc {
 
diff --git a/modules/remote_bitrate_estimator/test/bwe.cc b/modules/remote_bitrate_estimator/test/bwe.cc
index 1d9b727..b672ddd 100644
--- a/modules/remote_bitrate_estimator/test/bwe.cc
+++ b/modules/remote_bitrate_estimator/test/bwe.cc
@@ -18,7 +18,7 @@
 #include "modules/remote_bitrate_estimator/test/estimators/remb.h"
 #include "modules/remote_bitrate_estimator/test/estimators/send_side.h"
 #include "modules/remote_bitrate_estimator/test/estimators/tcp.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/numerics/safe_conversions.h"
 #include "rtc_base/system/fallthrough.h"
 
diff --git a/modules/remote_bitrate_estimator/test/bwe.h b/modules/remote_bitrate_estimator/test/bwe.h
index 62f8dc1..cf2517c 100644
--- a/modules/remote_bitrate_estimator/test/bwe.h
+++ b/modules/remote_bitrate_estimator/test/bwe.h
@@ -22,7 +22,7 @@
 #include "modules/include/module.h"
 #include "modules/remote_bitrate_estimator/test/bwe_test_framework.h"
 #include "modules/remote_bitrate_estimator/test/packet.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/gtest_prod_util.h"
 #include "rtc_base/numerics/sequence_number_util.h"
 #include "system_wrappers/include/clock.h"
diff --git a/modules/remote_bitrate_estimator/test/bwe_test.h b/modules/remote_bitrate_estimator/test/bwe_test.h
index 34030e9..275a696 100644
--- a/modules/remote_bitrate_estimator/test/bwe_test.h
+++ b/modules/remote_bitrate_estimator/test/bwe_test.h
@@ -18,7 +18,7 @@
 #include "modules/remote_bitrate_estimator/include/remote_bitrate_estimator.h"
 #include "modules/remote_bitrate_estimator/test/bwe.h"
 #include "modules/remote_bitrate_estimator/test/bwe_test_framework.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "test/gtest.h"
 
 namespace webrtc {
diff --git a/modules/remote_bitrate_estimator/test/bwe_test_baselinefile.cc b/modules/remote_bitrate_estimator/test/bwe_test_baselinefile.cc
index 8661540..8e4b7b4 100644
--- a/modules/remote_bitrate_estimator/test/bwe_test_baselinefile.cc
+++ b/modules/remote_bitrate_estimator/test/bwe_test_baselinefile.cc
@@ -17,8 +17,8 @@
 #include <vector>
 
 #include "modules/remote_bitrate_estimator/test/bwe_test_fileutils.h"
-#include "rtc_base/constructormagic.h"
-#include "test/testsupport/fileutils.h"
+#include "rtc_base/constructor_magic.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 namespace testing {
diff --git a/modules/remote_bitrate_estimator/test/bwe_test_fileutils.cc b/modules/remote_bitrate_estimator/test/bwe_test_fileutils.cc
index afea787..a69f672 100644
--- a/modules/remote_bitrate_estimator/test/bwe_test_fileutils.cc
+++ b/modules/remote_bitrate_estimator/test/bwe_test_fileutils.cc
@@ -18,7 +18,7 @@
 #include <assert.h>
 
 #include "modules/remote_bitrate_estimator/test/bwe_test_logging.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 namespace testing {
diff --git a/modules/remote_bitrate_estimator/test/bwe_test_fileutils.h b/modules/remote_bitrate_estimator/test/bwe_test_fileutils.h
index fcb1538..c38bc10 100644
--- a/modules/remote_bitrate_estimator/test/bwe_test_fileutils.h
+++ b/modules/remote_bitrate_estimator/test/bwe_test_fileutils.h
@@ -15,7 +15,7 @@
 #include <stdio.h>
 #include <string>
 
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 namespace testing {
diff --git a/modules/remote_bitrate_estimator/test/bwe_test_framework.cc b/modules/remote_bitrate_estimator/test/bwe_test_framework.cc
index 1fd7832..81d77e1 100644
--- a/modules/remote_bitrate_estimator/test/bwe_test_framework.cc
+++ b/modules/remote_bitrate_estimator/test/bwe_test_framework.cc
@@ -18,7 +18,7 @@
 
 #include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
 #include "modules/rtp_rtcp/source/rtp_packet_received.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/numerics/safe_minmax.h"
 #include "rtc_base/system/unused.h"
 
diff --git a/modules/remote_bitrate_estimator/test/bwe_test_framework.h b/modules/remote_bitrate_estimator/test/bwe_test_framework.h
index c84a901..cd1af97 100644
--- a/modules/remote_bitrate_estimator/test/bwe_test_framework.h
+++ b/modules/remote_bitrate_estimator/test/bwe_test_framework.h
@@ -30,7 +30,7 @@
 #include "modules/remote_bitrate_estimator/test/bwe_test_logging.h"
 #include "modules/remote_bitrate_estimator/test/packet.h"
 #include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/random.h"
 #include "rtc_base/strings/string_builder.h"
 #include "system_wrappers/include/clock.h"
diff --git a/modules/remote_bitrate_estimator/test/bwe_test_framework_unittest.cc b/modules/remote_bitrate_estimator/test/bwe_test_framework_unittest.cc
index 6daac19..f9da01e 100644
--- a/modules/remote_bitrate_estimator/test/bwe_test_framework_unittest.cc
+++ b/modules/remote_bitrate_estimator/test/bwe_test_framework_unittest.cc
@@ -15,9 +15,9 @@
 #include "modules/remote_bitrate_estimator/test/packet.h"
 #include "modules/remote_bitrate_estimator/test/packet_sender.h"
 #include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 namespace testing {
diff --git a/modules/remote_bitrate_estimator/test/bwe_test_logging.h b/modules/remote_bitrate_estimator/test/bwe_test_logging.h
index 6e0f66a..5ad58df 100644
--- a/modules/remote_bitrate_estimator/test/bwe_test_logging.h
+++ b/modules/remote_bitrate_estimator/test/bwe_test_logging.h
@@ -129,8 +129,8 @@
 #include <string>
 
 #include "common_types.h"  // NOLINT(build/include)
-#include "rtc_base/constructormagic.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/constructor_magic.h"
+#include "rtc_base/critical_section.h"
 
 #define BWE_TEST_LOGGING_GLOBAL_CONTEXT(name)                             \
   do {                                                                    \
diff --git a/modules/remote_bitrate_estimator/test/estimators/nada.h b/modules/remote_bitrate_estimator/test/estimators/nada.h
index 7faedc6..3ba923f5 100644
--- a/modules/remote_bitrate_estimator/test/estimators/nada.h
+++ b/modules/remote_bitrate_estimator/test/estimators/nada.h
@@ -23,7 +23,7 @@
 
 #include "modules/include/module_common_types.h"
 #include "modules/remote_bitrate_estimator/test/bwe.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/remote_bitrate_estimator/test/estimators/remb.h b/modules/remote_bitrate_estimator/test/estimators/remb.h
index 34c57b8..df16fec 100644
--- a/modules/remote_bitrate_estimator/test/estimators/remb.h
+++ b/modules/remote_bitrate_estimator/test/estimators/remb.h
@@ -17,7 +17,7 @@
 
 #include "logging/rtc_event_log/mock/mock_rtc_event_log.h"
 #include "modules/remote_bitrate_estimator/test/bwe.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/remote_bitrate_estimator/test/estimators/send_side.h b/modules/remote_bitrate_estimator/test/estimators/send_side.h
index f545b96..2313b7b 100644
--- a/modules/remote_bitrate_estimator/test/estimators/send_side.h
+++ b/modules/remote_bitrate_estimator/test/estimators/send_side.h
@@ -25,7 +25,7 @@
 #include "modules/remote_bitrate_estimator/test/bwe.h"
 #include "modules/remote_bitrate_estimator/test/packet.h"
 #include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "system_wrappers/include/clock.h"
 #include "test/gmock.h"
 
diff --git a/modules/remote_bitrate_estimator/test/packet_receiver.h b/modules/remote_bitrate_estimator/test/packet_receiver.h
index 940d4b0..848119e 100644
--- a/modules/remote_bitrate_estimator/test/packet_receiver.h
+++ b/modules/remote_bitrate_estimator/test/packet_receiver.h
@@ -20,7 +20,7 @@
 #include "modules/remote_bitrate_estimator/test/bwe_test_framework.h"
 #include "modules/remote_bitrate_estimator/test/metric_recorder.h"
 #include "modules/remote_bitrate_estimator/test/packet.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 namespace testing {
diff --git a/modules/remote_bitrate_estimator/test/packet_sender.h b/modules/remote_bitrate_estimator/test/packet_sender.h
index 42e98b6..1d3b355 100644
--- a/modules/remote_bitrate_estimator/test/packet_sender.h
+++ b/modules/remote_bitrate_estimator/test/packet_sender.h
@@ -20,7 +20,7 @@
 #include "modules/include/module.h"
 #include "modules/remote_bitrate_estimator/test/bwe.h"
 #include "modules/remote_bitrate_estimator/test/bwe_test_framework.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 namespace testing {
diff --git a/modules/rtp_rtcp/include/flexfec_sender.h b/modules/rtp_rtcp/include/flexfec_sender.h
index acee117..aa0e8e0 100644
--- a/modules/rtp_rtcp/include/flexfec_sender.h
+++ b/modules/rtp_rtcp/include/flexfec_sender.h
@@ -16,7 +16,7 @@
 #include <vector>
 
 #include "api/array_view.h"
-#include "api/rtpparameters.h"
+#include "api/rtp_parameters.h"
 #include "modules/include/module_common_types.h"
 #include "modules/rtp_rtcp/include/rtp_header_extension_map.h"
 #include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
diff --git a/modules/rtp_rtcp/include/remote_ntp_time_estimator.h b/modules/rtp_rtcp/include/remote_ntp_time_estimator.h
index e6d269c..dd0e0de 100644
--- a/modules/rtp_rtcp/include/remote_ntp_time_estimator.h
+++ b/modules/rtp_rtcp/include/remote_ntp_time_estimator.h
@@ -13,7 +13,7 @@
 
 #include <stdint.h>
 
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/numerics/moving_median_filter.h"
 #include "system_wrappers/include/rtp_to_ntp_estimator.h"
 
diff --git a/modules/rtp_rtcp/include/rtp_header_extension_map.h b/modules/rtp_rtcp/include/rtp_header_extension_map.h
index 391c5be..07b31a3 100644
--- a/modules/rtp_rtcp/include/rtp_header_extension_map.h
+++ b/modules/rtp_rtcp/include/rtp_header_extension_map.h
@@ -15,7 +15,7 @@
 #include <string>
 
 #include "api/array_view.h"
-#include "api/rtpparameters.h"
+#include "api/rtp_parameters.h"
 #include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
 #include "rtc_base/checks.h"
 
diff --git a/modules/rtp_rtcp/include/rtp_header_parser.h b/modules/rtp_rtcp/include/rtp_header_parser.h
index 85eab90..1b0156b 100644
--- a/modules/rtp_rtcp/include/rtp_header_parser.h
+++ b/modules/rtp_rtcp/include/rtp_header_parser.h
@@ -10,7 +10,7 @@
 #ifndef MODULES_RTP_RTCP_INCLUDE_RTP_HEADER_PARSER_H_
 #define MODULES_RTP_RTCP_INCLUDE_RTP_HEADER_PARSER_H_
 
-#include "api/rtpparameters.h"
+#include "api/rtp_parameters.h"
 #include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
 
 namespace webrtc {
diff --git a/modules/rtp_rtcp/include/rtp_rtcp.h b/modules/rtp_rtcp/include/rtp_rtcp.h
index f6b0c0f..29aa2f0 100644
--- a/modules/rtp_rtcp/include/rtp_rtcp.h
+++ b/modules/rtp_rtcp/include/rtp_rtcp.h
@@ -23,7 +23,7 @@
 #include "modules/rtp_rtcp/include/flexfec_sender.h"
 #include "modules/rtp_rtcp/include/receive_statistics.h"
 #include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/deprecation.h"
 
 namespace webrtc {
diff --git a/modules/rtp_rtcp/source/contributing_sources.h b/modules/rtp_rtcp/source/contributing_sources.h
index 5e34539..81bf725 100644
--- a/modules/rtp_rtcp/source/contributing_sources.h
+++ b/modules/rtp_rtcp/source/contributing_sources.h
@@ -18,8 +18,8 @@
 
 #include "absl/types/optional.h"
 #include "api/array_view.h"
-#include "api/rtpreceiverinterface.h"  // For RtpSource
-#include "rtc_base/timeutils.h"        // For kNumMillisecsPerSec
+#include "api/rtp_receiver_interface.h"  // For RtpSource
+#include "rtc_base/time_utils.h"         // For kNumMillisecsPerSec
 
 namespace webrtc {
 
diff --git a/modules/rtp_rtcp/source/contributing_sources_unittest.cc b/modules/rtp_rtcp/source/contributing_sources_unittest.cc
index 5f1d8d3..38d25ce 100644
--- a/modules/rtp_rtcp/source/contributing_sources_unittest.cc
+++ b/modules/rtp_rtcp/source/contributing_sources_unittest.cc
@@ -10,7 +10,7 @@
 
 #include "modules/rtp_rtcp/source/contributing_sources.h"
 
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 
 #include "test/gmock.h"
 #include "test/gtest.h"
diff --git a/modules/rtp_rtcp/source/dtmf_queue.h b/modules/rtp_rtcp/source/dtmf_queue.h
index e5955a1..28116bc 100644
--- a/modules/rtp_rtcp/source/dtmf_queue.h
+++ b/modules/rtp_rtcp/source/dtmf_queue.h
@@ -14,7 +14,7 @@
 #include <stdint.h>
 #include <list>
 
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 
 namespace webrtc {
 class DtmfQueue {
diff --git a/modules/rtp_rtcp/source/flexfec_sender_unittest.cc b/modules/rtp_rtcp/source/flexfec_sender_unittest.cc
index ddc2805..c561dbb 100644
--- a/modules/rtp_rtcp/source/flexfec_sender_unittest.cc
+++ b/modules/rtp_rtcp/source/flexfec_sender_unittest.cc
@@ -10,7 +10,7 @@
 
 #include <vector>
 
-#include "api/rtpparameters.h"
+#include "api/rtp_parameters.h"
 #include "modules/rtp_rtcp/include/flexfec_sender.h"
 #include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
 #include "modules/rtp_rtcp/source/fec_test_helper.h"
diff --git a/modules/rtp_rtcp/source/playout_delay_oracle.h b/modules/rtp_rtcp/source/playout_delay_oracle.h
index 0e3bd39..32f7d40 100644
--- a/modules/rtp_rtcp/source/playout_delay_oracle.h
+++ b/modules/rtp_rtcp/source/playout_delay_oracle.h
@@ -16,8 +16,8 @@
 #include "common_types.h"  // NOLINT(build/include)
 #include "modules/include/module_common_types_public.h"
 #include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
-#include "rtc_base/constructormagic.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/constructor_magic.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/thread_annotations.h"
 
 namespace webrtc {
diff --git a/modules/rtp_rtcp/source/receive_statistics_impl.h b/modules/rtp_rtcp/source/receive_statistics_impl.h
index 0221d85..c153281 100644
--- a/modules/rtp_rtcp/source/receive_statistics_impl.h
+++ b/modules/rtp_rtcp/source/receive_statistics_impl.h
@@ -19,7 +19,7 @@
 
 #include "absl/types/optional.h"
 #include "modules/include/module_common_types_public.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/rate_statistics.h"
 #include "rtc_base/thread_annotations.h"
 
diff --git a/modules/rtp_rtcp/source/rtcp_packet/compound_packet.h b/modules/rtp_rtcp/source/rtcp_packet/compound_packet.h
index 89b7814..f521c7f 100644
--- a/modules/rtp_rtcp/source/rtcp_packet/compound_packet.h
+++ b/modules/rtp_rtcp/source/rtcp_packet/compound_packet.h
@@ -15,7 +15,7 @@
 #include <vector>
 
 #include "modules/rtp_rtcp/source/rtcp_packet.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 namespace rtcp {
diff --git a/modules/rtp_rtcp/source/rtcp_receiver.h b/modules/rtp_rtcp/source/rtcp_receiver.h
index be4c70e..fe6ec4c 100644
--- a/modules/rtp_rtcp/source/rtcp_receiver.h
+++ b/modules/rtp_rtcp/source/rtcp_receiver.h
@@ -21,7 +21,7 @@
 #include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
 #include "modules/rtp_rtcp/source/rtcp_nack_stats.h"
 #include "modules/rtp_rtcp/source/rtcp_packet/dlrr.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/thread_annotations.h"
 #include "system_wrappers/include/ntp_time.h"
 
diff --git a/modules/rtp_rtcp/source/rtcp_sender.cc b/modules/rtp_rtcp/source/rtcp_sender.cc
index 2581487..3aedeec 100644
--- a/modules/rtp_rtcp/source/rtcp_sender.cc
+++ b/modules/rtp_rtcp/source/rtcp_sender.cc
@@ -37,7 +37,7 @@
 #include "modules/rtp_rtcp/source/time_util.h"
 #include "modules/rtp_rtcp/source/tmmbr_help.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/logging.h"
 #include "rtc_base/numerics/safe_conversions.h"
 #include "rtc_base/trace_event.h"
diff --git a/modules/rtp_rtcp/source/rtcp_sender.h b/modules/rtp_rtcp/source/rtcp_sender.h
index 0845397..94c365b 100644
--- a/modules/rtp_rtcp/source/rtcp_sender.h
+++ b/modules/rtp_rtcp/source/rtcp_sender.h
@@ -29,8 +29,8 @@
 #include "modules/rtp_rtcp/source/rtcp_packet/dlrr.h"
 #include "modules/rtp_rtcp/source/rtcp_packet/report_block.h"
 #include "modules/rtp_rtcp/source/rtcp_packet/tmmb_item.h"
-#include "rtc_base/constructormagic.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/constructor_magic.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/random.h"
 #include "rtc_base/thread_annotations.h"
 
diff --git a/modules/rtp_rtcp/source/rtcp_transceiver.cc b/modules/rtp_rtcp/source/rtcp_transceiver.cc
index 57d2142..6c0e0b7 100644
--- a/modules/rtp_rtcp/source/rtcp_transceiver.cc
+++ b/modules/rtp_rtcp/source/rtcp_transceiver.cc
@@ -16,7 +16,7 @@
 #include "modules/rtp_rtcp/source/rtcp_packet/transport_feedback.h"
 #include "rtc_base/checks.h"
 #include "rtc_base/event.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 
 namespace webrtc {
 namespace {
diff --git a/modules/rtp_rtcp/source/rtcp_transceiver.h b/modules/rtp_rtcp/source/rtcp_transceiver.h
index 9c96751..16fd5a7 100644
--- a/modules/rtp_rtcp/source/rtcp_transceiver.h
+++ b/modules/rtp_rtcp/source/rtcp_transceiver.h
@@ -18,7 +18,7 @@
 
 #include "modules/rtp_rtcp/source/rtcp_transceiver_config.h"
 #include "modules/rtp_rtcp/source/rtcp_transceiver_impl.h"
-#include "rtc_base/copyonwritebuffer.h"
+#include "rtc_base/copy_on_write_buffer.h"
 #include "rtc_base/task_queue.h"
 
 namespace webrtc {
diff --git a/modules/rtp_rtcp/source/rtcp_transceiver_impl.cc b/modules/rtp_rtcp/source/rtcp_transceiver_impl.cc
index 97c2ac0..5acad08 100644
--- a/modules/rtp_rtcp/source/rtcp_transceiver_impl.cc
+++ b/modules/rtp_rtcp/source/rtcp_transceiver_impl.cc
@@ -33,7 +33,7 @@
 #include "rtc_base/checks.h"
 #include "rtc_base/logging.h"
 #include "rtc_base/task_queue.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 
 namespace webrtc {
 namespace {
diff --git a/modules/rtp_rtcp/source/rtcp_transceiver_impl_unittest.cc b/modules/rtp_rtcp/source/rtcp_transceiver_impl_unittest.cc
index e86d67f..50ca111 100644
--- a/modules/rtp_rtcp/source/rtcp_transceiver_impl_unittest.cc
+++ b/modules/rtp_rtcp/source/rtcp_transceiver_impl_unittest.cc
@@ -21,7 +21,7 @@
 #include "modules/rtp_rtcp/source/rtcp_packet/compound_packet.h"
 #include "modules/rtp_rtcp/source/time_util.h"
 #include "rtc_base/event.h"
-#include "rtc_base/fakeclock.h"
+#include "rtc_base/fake_clock.h"
 #include "rtc_base/task_queue.h"
 #include "test/gmock.h"
 #include "test/gtest.h"
diff --git a/modules/rtp_rtcp/source/rtp_format_h264.h b/modules/rtp_rtcp/source/rtp_format_h264.h
index fbd4fd9..108156f 100644
--- a/modules/rtp_rtcp/source/rtp_format_h264.h
+++ b/modules/rtp_rtcp/source/rtp_format_h264.h
@@ -23,7 +23,7 @@
 #include "modules/rtp_rtcp/source/rtp_packet_to_send.h"
 #include "modules/video_coding/codecs/h264/include/h264_globals.h"
 #include "rtc_base/buffer.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/rtp_rtcp/source/rtp_format_video_generic.h b/modules/rtp_rtcp/source/rtp_format_video_generic.h
index 3458d49..982e35a 100644
--- a/modules/rtp_rtcp/source/rtp_format_video_generic.h
+++ b/modules/rtp_rtcp/source/rtp_format_video_generic.h
@@ -16,7 +16,7 @@
 #include "api/array_view.h"
 #include "common_types.h"  // NOLINT(build/include)
 #include "modules/rtp_rtcp/source/rtp_format.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/rtp_rtcp/source/rtp_format_vp8.h b/modules/rtp_rtcp/source/rtp_format_vp8.h
index 444298f..0e0fa52 100644
--- a/modules/rtp_rtcp/source/rtp_format_vp8.h
+++ b/modules/rtp_rtcp/source/rtp_format_vp8.h
@@ -34,7 +34,7 @@
 #include "modules/rtp_rtcp/source/rtp_format.h"
 #include "modules/rtp_rtcp/source/rtp_packet_to_send.h"
 #include "modules/video_coding/codecs/vp8/include/vp8_globals.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/rtp_rtcp/source/rtp_format_vp8_test_helper.h b/modules/rtp_rtcp/source/rtp_format_vp8_test_helper.h
index 07f5f64..03d4e58 100644
--- a/modules/rtp_rtcp/source/rtp_format_vp8_test_helper.h
+++ b/modules/rtp_rtcp/source/rtp_format_vp8_test_helper.h
@@ -22,7 +22,7 @@
 #include "modules/rtp_rtcp/source/rtp_format_vp8.h"
 #include "modules/video_coding/codecs/vp8/include/vp8_globals.h"
 #include "rtc_base/buffer.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/rtp_rtcp/source/rtp_format_vp9.cc b/modules/rtp_rtcp/source/rtp_format_vp9.cc
index 9cd7514..bbb8e29 100644
--- a/modules/rtp_rtcp/source/rtp_format_vp9.cc
+++ b/modules/rtp_rtcp/source/rtp_format_vp9.cc
@@ -15,7 +15,7 @@
 #include "common_types.h"  // NOLINT(build/include)
 #include "modules/rtp_rtcp/source/rtp_packet_to_send.h"
 #include "modules/video_coding/codecs/interface/common_constants.h"
-#include "rtc_base/bitbuffer.h"
+#include "rtc_base/bit_buffer.h"
 #include "rtc_base/checks.h"
 #include "rtc_base/logging.h"
 
diff --git a/modules/rtp_rtcp/source/rtp_format_vp9.h b/modules/rtp_rtcp/source/rtp_format_vp9.h
index c3b8f17..2918b06 100644
--- a/modules/rtp_rtcp/source/rtp_format_vp9.h
+++ b/modules/rtp_rtcp/source/rtp_format_vp9.h
@@ -29,7 +29,7 @@
 #include "modules/rtp_rtcp/source/rtp_format.h"
 #include "modules/rtp_rtcp/source/rtp_packet_to_send.h"
 #include "modules/video_coding/codecs/vp9/include/vp9_globals.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/rtp_rtcp/source/rtp_header_extension_size.cc b/modules/rtp_rtcp/source/rtp_header_extension_size.cc
index f20ca00..7719922 100644
--- a/modules/rtp_rtcp/source/rtp_header_extension_size.cc
+++ b/modules/rtp_rtcp/source/rtp_header_extension_size.cc
@@ -10,7 +10,7 @@
 
 #include "modules/rtp_rtcp/source/rtp_header_extension_size.h"
 
-#include "api/rtpparameters.h"
+#include "api/rtp_parameters.h"
 
 namespace webrtc {
 
diff --git a/modules/rtp_rtcp/source/rtp_header_parser.cc b/modules/rtp_rtcp/source/rtp_header_parser.cc
index 6481a40..4e4c723 100644
--- a/modules/rtp_rtcp/source/rtp_header_parser.cc
+++ b/modules/rtp_rtcp/source/rtp_header_parser.cc
@@ -13,7 +13,7 @@
 
 #include "modules/rtp_rtcp/include/rtp_header_extension_map.h"
 #include "modules/rtp_rtcp/source/rtp_utility.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/thread_annotations.h"
 
 namespace webrtc {
diff --git a/modules/rtp_rtcp/source/rtp_packet.cc b/modules/rtp_rtcp/source/rtp_packet.cc
index 3fb80e4..6f22735 100644
--- a/modules/rtp_rtcp/source/rtp_packet.cc
+++ b/modules/rtp_rtcp/source/rtp_packet.cc
@@ -14,7 +14,7 @@
 #include <cstring>
 #include <utility>
 
-#include "api/rtpparameters.h"
+#include "api/rtp_parameters.h"
 #include "modules/rtp_rtcp/source/byte_io.h"
 #include "rtc_base/checks.h"
 #include "rtc_base/logging.h"
diff --git a/modules/rtp_rtcp/source/rtp_packet.h b/modules/rtp_rtcp/source/rtp_packet.h
index ddf261a..c067580 100644
--- a/modules/rtp_rtcp/source/rtp_packet.h
+++ b/modules/rtp_rtcp/source/rtp_packet.h
@@ -16,7 +16,7 @@
 #include "api/array_view.h"
 #include "modules/rtp_rtcp/include/rtp_header_extension_map.h"
 #include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
-#include "rtc_base/copyonwritebuffer.h"
+#include "rtc_base/copy_on_write_buffer.h"
 #include "rtc_base/deprecation.h"
 
 namespace webrtc {
diff --git a/modules/rtp_rtcp/source/rtp_packet_history.h b/modules/rtp_rtcp/source/rtp_packet_history.h
index 095424e..c5b6e4d 100644
--- a/modules/rtp_rtcp/source/rtp_packet_history.h
+++ b/modules/rtp_rtcp/source/rtp_packet_history.h
@@ -16,8 +16,8 @@
 #include <vector>
 
 #include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
-#include "rtc_base/constructormagic.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/constructor_magic.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/thread_annotations.h"
 
 namespace webrtc {
diff --git a/modules/rtp_rtcp/source/rtp_rtcp_impl.h b/modules/rtp_rtcp/source/rtp_rtcp_impl.h
index 78fa70a..7d5466a 100644
--- a/modules/rtp_rtcp/source/rtp_rtcp_impl.h
+++ b/modules/rtp_rtcp/source/rtp_rtcp_impl.h
@@ -32,7 +32,7 @@
 #include "modules/rtp_rtcp/source/rtcp_receiver.h"
 #include "modules/rtp_rtcp/source/rtcp_sender.h"
 #include "modules/rtp_rtcp/source/rtp_sender.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/gtest_prod_util.h"
 
 namespace webrtc {
diff --git a/modules/rtp_rtcp/source/rtp_sender.cc b/modules/rtp_rtcp/source/rtp_sender.cc
index 87f1c00..edd2edb 100644
--- a/modules/rtp_rtcp/source/rtp_sender.cc
+++ b/modules/rtp_rtcp/source/rtp_sender.cc
@@ -35,7 +35,7 @@
 #include "rtc_base/logging.h"
 #include "rtc_base/numerics/safe_minmax.h"
 #include "rtc_base/rate_limiter.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 #include "rtc_base/trace_event.h"
 #include "system_wrappers/include/field_trial.h"
 
diff --git a/modules/rtp_rtcp/source/rtp_sender.h b/modules/rtp_rtcp/source/rtp_sender.h
index d3c6599..e5ddfcc 100644
--- a/modules/rtp_rtcp/source/rtp_sender.h
+++ b/modules/rtp_rtcp/source/rtp_sender.h
@@ -29,8 +29,8 @@
 #include "modules/rtp_rtcp/source/rtp_packet_history.h"
 #include "modules/rtp_rtcp/source/rtp_rtcp_config.h"
 #include "modules/rtp_rtcp/source/rtp_utility.h"
-#include "rtc_base/constructormagic.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/constructor_magic.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/deprecation.h"
 #include "rtc_base/random.h"
 #include "rtc_base/rate_statistics.h"
diff --git a/modules/rtp_rtcp/source/rtp_sender_audio.h b/modules/rtp_rtcp/source/rtp_sender_audio.h
index 1dbe5b5..6580f7a 100644
--- a/modules/rtp_rtcp/source/rtp_sender_audio.h
+++ b/modules/rtp_rtcp/source/rtp_sender_audio.h
@@ -19,9 +19,9 @@
 #include "modules/rtp_rtcp/source/dtmf_queue.h"
 #include "modules/rtp_rtcp/source/rtp_sender.h"
 #include "modules/rtp_rtcp/source/rtp_utility.h"
-#include "rtc_base/constructormagic.h"
-#include "rtc_base/criticalsection.h"
-#include "rtc_base/onetimeevent.h"
+#include "rtc_base/constructor_magic.h"
+#include "rtc_base/critical_section.h"
+#include "rtc_base/one_time_event.h"
 #include "rtc_base/thread_annotations.h"
 #include "system_wrappers/include/clock.h"
 
diff --git a/modules/rtp_rtcp/source/rtp_sender_video.cc b/modules/rtp_rtcp/source/rtp_sender_video.cc
index 2f592b3..8f276c4 100644
--- a/modules/rtp_rtcp/source/rtp_sender_video.cc
+++ b/modules/rtp_rtcp/source/rtp_sender_video.cc
@@ -20,7 +20,7 @@
 
 #include "absl/memory/memory.h"
 #include "absl/strings/match.h"
-#include "api/crypto/frameencryptorinterface.h"
+#include "api/crypto/frame_encryptor_interface.h"
 #include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
 #include "modules/rtp_rtcp/source/byte_io.h"
 #include "modules/rtp_rtcp/source/rtp_format_video_generic.h"
diff --git a/modules/rtp_rtcp/source/rtp_sender_video.h b/modules/rtp_rtcp/source/rtp_sender_video.h
index 5821b12..91dc662 100644
--- a/modules/rtp_rtcp/source/rtp_sender_video.h
+++ b/modules/rtp_rtcp/source/rtp_sender_video.h
@@ -23,8 +23,8 @@
 #include "modules/rtp_rtcp/source/rtp_sender.h"
 #include "modules/rtp_rtcp/source/rtp_utility.h"
 #include "modules/rtp_rtcp/source/ulpfec_generator.h"
-#include "rtc_base/criticalsection.h"
-#include "rtc_base/onetimeevent.h"
+#include "rtc_base/critical_section.h"
+#include "rtc_base/one_time_event.h"
 #include "rtc_base/rate_statistics.h"
 #include "rtc_base/sequenced_task_checker.h"
 #include "rtc_base/thread_annotations.h"
diff --git a/modules/rtp_rtcp/source/time_util.cc b/modules/rtp_rtcp/source/time_util.cc
index e65329d..806f9a9 100644
--- a/modules/rtp_rtcp/source/time_util.cc
+++ b/modules/rtp_rtcp/source/time_util.cc
@@ -13,7 +13,7 @@
 #include <algorithm>
 
 #include "rtc_base/checks.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 
 namespace webrtc {
 namespace {
diff --git a/modules/rtp_rtcp/source/time_util_unittest.cc b/modules/rtp_rtcp/source/time_util_unittest.cc
index 0ff4f7b..f4315e5 100644
--- a/modules/rtp_rtcp/source/time_util_unittest.cc
+++ b/modules/rtp_rtcp/source/time_util_unittest.cc
@@ -9,8 +9,8 @@
  */
 #include "modules/rtp_rtcp/source/time_util.h"
 
-#include "rtc_base/fakeclock.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/fake_clock.h"
+#include "rtc_base/time_utils.h"
 #include "system_wrappers/include/clock.h"
 #include "test/gtest.h"
 
diff --git a/modules/rtp_rtcp/source/ulpfec_receiver_impl.h b/modules/rtp_rtcp/source/ulpfec_receiver_impl.h
index 0943266..2821513 100644
--- a/modules/rtp_rtcp/source/ulpfec_receiver_impl.h
+++ b/modules/rtp_rtcp/source/ulpfec_receiver_impl.h
@@ -20,7 +20,7 @@
 #include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
 #include "modules/rtp_rtcp/include/ulpfec_receiver.h"
 #include "modules/rtp_rtcp/source/forward_error_correction.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 
 namespace webrtc {
 
diff --git a/modules/rtp_rtcp/test/testFec/test_fec.cc b/modules/rtp_rtcp/test/testFec/test_fec.cc
index 7c65d3d..3a893b3 100644
--- a/modules/rtp_rtcp/test/testFec/test_fec.cc
+++ b/modules/rtp_rtcp/test/testFec/test_fec.cc
@@ -23,7 +23,7 @@
 #include "modules/rtp_rtcp/source/forward_error_correction_internal.h"
 #include "rtc_base/random.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 // #define VERBOSE_OUTPUT
 
diff --git a/modules/rtp_rtcp/test/testFec/test_packet_masks_metrics.cc b/modules/rtp_rtcp/test/testFec/test_packet_masks_metrics.cc
index f6d2dea..8d77a27 100644
--- a/modules/rtp_rtcp/test/testFec/test_packet_masks_metrics.cc
+++ b/modules/rtp_rtcp/test/testFec/test_packet_masks_metrics.cc
@@ -50,7 +50,7 @@
 #include "modules/rtp_rtcp/source/forward_error_correction_internal.h"
 #include "modules/rtp_rtcp/test/testFec/average_residual_loss_xor_codes.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/utility/source/process_thread_impl.cc b/modules/utility/source/process_thread_impl.cc
index 20f26d9..fbe60bb 100644
--- a/modules/utility/source/process_thread_impl.cc
+++ b/modules/utility/source/process_thread_impl.cc
@@ -15,7 +15,7 @@
 #include "modules/include/module.h"
 #include "rtc_base/checks.h"
 #include "rtc_base/task_queue.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 #include "rtc_base/trace_event.h"
 
 namespace webrtc {
diff --git a/modules/utility/source/process_thread_impl.h b/modules/utility/source/process_thread_impl.h
index fff21d0..e927c1d 100644
--- a/modules/utility/source/process_thread_impl.h
+++ b/modules/utility/source/process_thread_impl.h
@@ -18,7 +18,7 @@
 
 #include "modules/include/module.h"
 #include "modules/utility/include/process_thread.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/event.h"
 #include "rtc_base/location.h"
 #include "rtc_base/platform_thread.h"
diff --git a/modules/utility/source/process_thread_impl_unittest.cc b/modules/utility/source/process_thread_impl_unittest.cc
index 1915796..013ef52 100644
--- a/modules/utility/source/process_thread_impl_unittest.cc
+++ b/modules/utility/source/process_thread_impl_unittest.cc
@@ -15,7 +15,7 @@
 #include "modules/utility/source/process_thread_impl.h"
 #include "rtc_base/location.h"
 #include "rtc_base/task_queue.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 #include "test/gmock.h"
 #include "test/gtest.h"
 
diff --git a/modules/video_capture/external/video_capture_external.cc b/modules/video_capture/external/video_capture_external.cc
index 776444c..1c5a90a 100644
--- a/modules/video_capture/external/video_capture_external.cc
+++ b/modules/video_capture/external/video_capture_external.cc
@@ -10,7 +10,7 @@
 
 #include "modules/video_capture/video_capture.h"
 #include "modules/video_capture/video_capture_impl.h"
-#include "rtc_base/refcountedobject.h"
+#include "rtc_base/ref_counted_object.h"
 #include "rtc_base/scoped_ref_ptr.h"
 
 namespace webrtc {
diff --git a/modules/video_capture/linux/video_capture_linux.cc b/modules/video_capture/linux/video_capture_linux.cc
index f35f42c..714a0f9 100644
--- a/modules/video_capture/linux/video_capture_linux.cc
+++ b/modules/video_capture/linux/video_capture_linux.cc
@@ -23,10 +23,10 @@
 #include <new>
 #include <string>
 
-#include "media/base/videocommon.h"
+#include "media/base/video_common.h"
 #include "modules/video_capture/video_capture.h"
 #include "rtc_base/logging.h"
-#include "rtc_base/refcountedobject.h"
+#include "rtc_base/ref_counted_object.h"
 #include "rtc_base/scoped_ref_ptr.h"
 
 namespace webrtc {
diff --git a/modules/video_capture/linux/video_capture_linux.h b/modules/video_capture/linux/video_capture_linux.h
index 8004823..c162e03 100644
--- a/modules/video_capture/linux/video_capture_linux.h
+++ b/modules/video_capture/linux/video_capture_linux.h
@@ -18,7 +18,7 @@
 #include "common_types.h"  // NOLINT(build/include)
 #include "modules/video_capture/video_capture_defines.h"
 #include "modules/video_capture/video_capture_impl.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/platform_thread.h"
 
 namespace webrtc {
diff --git a/modules/video_capture/objc/video_capture.mm b/modules/video_capture/objc/video_capture.mm
index 6dd2fd6..1b173f9 100644
--- a/modules/video_capture/objc/video_capture.mm
+++ b/modules/video_capture/objc/video_capture.mm
@@ -14,8 +14,8 @@
 
 #include "modules/video_capture/objc/device_info_objc.h"
 #include "modules/video_capture/objc/rtc_video_capture_objc.h"
-#include "rtc_base/refcount.h"
-#include "rtc_base/refcountedobject.h"
+#include "rtc_base/ref_count.h"
+#include "rtc_base/ref_counted_object.h"
 #include "rtc_base/scoped_ref_ptr.h"
 
 using namespace webrtc;
diff --git a/modules/video_capture/test/video_capture_unittest.cc b/modules/video_capture/test/video_capture_unittest.cc
index 8238c20..63d5018 100644
--- a/modules/video_capture/test/video_capture_unittest.cc
+++ b/modules/video_capture/test/video_capture_unittest.cc
@@ -21,9 +21,9 @@
 #include "modules/utility/include/process_thread.h"
 #include "modules/video_capture/video_capture.h"
 #include "modules/video_capture/video_capture_factory.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/scoped_ref_ptr.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 #include "system_wrappers/include/sleep.h"
 #include "test/frame_utils.h"
 #include "test/gtest.h"
diff --git a/modules/video_capture/video_capture_impl.cc b/modules/video_capture/video_capture_impl.cc
index bd2ecf4..7977a24 100644
--- a/modules/video_capture/video_capture_impl.cc
+++ b/modules/video_capture/video_capture_impl.cc
@@ -18,8 +18,8 @@
 #include "modules/video_capture/video_capture_config.h"
 #include "modules/video_capture/video_capture_impl.h"
 #include "rtc_base/logging.h"
-#include "rtc_base/refcountedobject.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/ref_counted_object.h"
+#include "rtc_base/time_utils.h"
 #include "rtc_base/trace_event.h"
 #include "third_party/libyuv/include/libyuv.h"
 
diff --git a/modules/video_capture/video_capture_impl.h b/modules/video_capture/video_capture_impl.h
index 358f002..2ec3547 100644
--- a/modules/video_capture/video_capture_impl.h
+++ b/modules/video_capture/video_capture_impl.h
@@ -24,7 +24,7 @@
 #include "modules/video_capture/video_capture.h"
 #include "modules/video_capture/video_capture_config.h"
 #include "modules/video_capture/video_capture_defines.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/scoped_ref_ptr.h"
 
 namespace webrtc {
diff --git a/modules/video_capture/windows/device_info_ds.cc b/modules/video_capture/windows/device_info_ds.cc
index 7cba0d4..935d125 100644
--- a/modules/video_capture/windows/device_info_ds.cc
+++ b/modules/video_capture/windows/device_info_ds.cc
@@ -13,7 +13,7 @@
 #include "modules/video_capture/video_capture_config.h"
 #include "modules/video_capture/windows/help_functions_ds.h"
 #include "rtc_base/logging.h"
-#include "rtc_base/stringutils.h"
+#include "rtc_base/string_utils.h"
 
 #include <dvdmedia.h>
 #include <streams.h>
diff --git a/modules/video_capture/windows/sink_filter_ds.cc b/modules/video_capture/windows/sink_filter_ds.cc
index c2db44b..2e005ef 100644
--- a/modules/video_capture/windows/sink_filter_ds.cc
+++ b/modules/video_capture/windows/sink_filter_ds.cc
@@ -14,7 +14,7 @@
 #include "rtc_base/checks.h"
 #include "rtc_base/logging.h"
 #include "rtc_base/platform_thread.h"
-#include "rtc_base/stringutils.h"
+#include "rtc_base/string_utils.h"
 
 #include <dvdmedia.h>  // VIDEOINFOHEADER2
 #include <initguid.h>
diff --git a/modules/video_capture/windows/video_capture_factory_windows.cc b/modules/video_capture/windows/video_capture_factory_windows.cc
index 52a3cb51..9f76902 100644
--- a/modules/video_capture/windows/video_capture_factory_windows.cc
+++ b/modules/video_capture/windows/video_capture_factory_windows.cc
@@ -10,8 +10,8 @@
 
 #include "modules/video_capture/windows/video_capture_ds.h"
 #include "modules/video_capture/windows/video_capture_mf.h"
-#include "rtc_base/refcount.h"
-#include "rtc_base/refcountedobject.h"
+#include "rtc_base/ref_count.h"
+#include "rtc_base/ref_counted_object.h"
 #include "rtc_base/scoped_ref_ptr.h"
 
 namespace webrtc {
diff --git a/modules/video_coding/codecs/h264/h264.cc b/modules/video_coding/codecs/h264/h264.cc
index 4ab7ab5..6a692fb 100644
--- a/modules/video_coding/codecs/h264/h264.cc
+++ b/modules/video_coding/codecs/h264/h264.cc
@@ -18,7 +18,7 @@
 #include "api/video_codecs/sdp_video_format.h"
 #include "common_types.h"  // NOLINT(build/include)
 #include "media/base/h264_profile_level_id.h"
-#include "media/base/mediaconstants.h"
+#include "media/base/media_constants.h"
 
 #if defined(WEBRTC_USE_H264)
 #include "modules/video_coding/codecs/h264/h264_decoder_impl.h"
diff --git a/modules/video_coding/codecs/h264/h264_decoder_impl.cc b/modules/video_coding/codecs/h264/h264_decoder_impl.cc
index 0853d8f..89155f2 100644
--- a/modules/video_coding/codecs/h264/h264_decoder_impl.cc
+++ b/modules/video_coding/codecs/h264/h264_decoder_impl.cc
@@ -26,7 +26,7 @@
 #include "common_video/include/video_frame_buffer.h"
 #include "modules/video_coding/codecs/h264/h264_color_space.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/keep_ref_until_done.h"
 #include "rtc_base/logging.h"
 #include "system_wrappers/include/metrics.h"
diff --git a/modules/video_coding/codecs/h264/h264_encoder_impl.cc b/modules/video_coding/codecs/h264/h264_encoder_impl.cc
index 3a49ac0..05b26fe 100644
--- a/modules/video_coding/codecs/h264/h264_encoder_impl.cc
+++ b/modules/video_coding/codecs/h264/h264_encoder_impl.cc
@@ -25,7 +25,7 @@
 #include "modules/video_coding/utility/simulcast_utility.h"
 #include "rtc_base/checks.h"
 #include "rtc_base/logging.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 #include "system_wrappers/include/metrics.h"
 #include "third_party/libyuv/include/libyuv/convert.h"
 #include "third_party/libyuv/include/libyuv/scale.h"
diff --git a/modules/video_coding/codecs/h264/test/h264_impl_unittest.cc b/modules/video_coding/codecs/h264/test/h264_impl_unittest.cc
index 384ea70..8fa2d49 100644
--- a/modules/video_coding/codecs/h264/test/h264_impl_unittest.cc
+++ b/modules/video_coding/codecs/h264/test/h264_impl_unittest.cc
@@ -22,7 +22,7 @@
 #include "common_video/libyuv/include/webrtc_libyuv.h"
 #include "common_video/test/utilities.h"
 #include "media/base/codec.h"
-#include "media/base/mediaconstants.h"
+#include "media/base/media_constants.h"
 #include "modules/video_coding/codecs/h264/include/h264.h"
 #include "modules/video_coding/codecs/test/video_codec_unittest.h"
 #include "modules/video_coding/include/video_codec_interface.h"
diff --git a/modules/video_coding/codecs/multiplex/include/multiplex_encoder_adapter.h b/modules/video_coding/codecs/multiplex/include/multiplex_encoder_adapter.h
index 235a360..0543edd 100644
--- a/modules/video_coding/codecs/multiplex/include/multiplex_encoder_adapter.h
+++ b/modules/video_coding/codecs/multiplex/include/multiplex_encoder_adapter.h
@@ -20,7 +20,7 @@
 #include "api/video_codecs/video_encoder_factory.h"
 #include "modules/video_coding/codecs/multiplex/multiplex_encoded_image_packer.h"
 #include "modules/video_coding/include/video_codec_interface.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 
 namespace webrtc {
 
diff --git a/modules/video_coding/codecs/multiplex/test/multiplex_adapter_unittest.cc b/modules/video_coding/codecs/multiplex/test/multiplex_adapter_unittest.cc
index 4c904c1..63bed8b 100644
--- a/modules/video_coding/codecs/multiplex/test/multiplex_adapter_unittest.cc
+++ b/modules/video_coding/codecs/multiplex/test/multiplex_adapter_unittest.cc
@@ -29,7 +29,7 @@
 #include "common_types.h"  // NOLINT(build/include)
 #include "common_video/include/video_frame_buffer.h"
 #include "common_video/libyuv/include/webrtc_libyuv.h"
-#include "media/base/mediaconstants.h"
+#include "media/base/media_constants.h"
 #include "modules/video_coding/codecs/multiplex/include/augmented_video_frame_buffer.h"
 #include "modules/video_coding/codecs/multiplex/include/multiplex_decoder_adapter.h"
 #include "modules/video_coding/codecs/multiplex/include/multiplex_encoder_adapter.h"
@@ -39,7 +39,7 @@
 #include "modules/video_coding/include/video_codec_interface.h"
 #include "modules/video_coding/include/video_error_codes.h"
 #include "rtc_base/keep_ref_until_done.h"
-#include "rtc_base/refcountedobject.h"
+#include "rtc_base/ref_counted_object.h"
 #include "rtc_base/scoped_ref_ptr.h"
 #include "test/gmock.h"
 #include "test/gtest.h"
diff --git a/modules/video_coding/codecs/test/video_codec_unittest.h b/modules/video_coding/codecs/test/video_codec_unittest.h
index 9a4d60c..1b6a1f9 100644
--- a/modules/video_coding/codecs/test/video_codec_unittest.h
+++ b/modules/video_coding/codecs/test/video_codec_unittest.h
@@ -19,7 +19,7 @@
 #include "modules/video_coding/include/video_codec_interface.h"
 #include "modules/video_coding/utility/vp8_header_parser.h"
 #include "modules/video_coding/utility/vp9_uncompressed_header_parser.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/event.h"
 #include "rtc_base/thread_annotations.h"
 #include "test/frame_generator.h"
diff --git a/modules/video_coding/codecs/test/videocodec_test_fixture_impl.cc b/modules/video_coding/codecs/test/videocodec_test_fixture_impl.cc
index c9c84ed..de3dad3 100644
--- a/modules/video_coding/codecs/test/videocodec_test_fixture_impl.cc
+++ b/modules/video_coding/codecs/test/videocodec_test_fixture_impl.cc
@@ -29,9 +29,9 @@
 #include "common_types.h"  // NOLINT(build/include)
 #include "common_video/h264/h264_common.h"
 #include "media/base/h264_profile_level_id.h"
-#include "media/base/mediaconstants.h"
-#include "media/engine/internaldecoderfactory.h"
-#include "media/engine/internalencoderfactory.h"
+#include "media/base/media_constants.h"
+#include "media/engine/internal_decoder_factory.h"
+#include "media/engine/internal_encoder_factory.h"
 #include "media/engine/simulcast.h"
 #include "modules/video_coding/codecs/h264/include/h264_globals.h"
 #include "modules/video_coding/codecs/vp9/svc_config.h"
@@ -41,11 +41,11 @@
 #include "rtc_base/event.h"
 #include "rtc_base/file.h"
 #include "rtc_base/strings/string_builder.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 #include "system_wrappers/include/cpu_info.h"
 #include "system_wrappers/include/sleep.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 #include "test/testsupport/frame_writer.h"
 #include "test/video_codec_settings.h"
 
diff --git a/modules/video_coding/codecs/test/videocodec_test_libvpx.cc b/modules/video_coding/codecs/test/videocodec_test_libvpx.cc
index 9665d1c..4f63aa9 100644
--- a/modules/video_coding/codecs/test/videocodec_test_libvpx.cc
+++ b/modules/video_coding/codecs/test/videocodec_test_libvpx.cc
@@ -14,14 +14,14 @@
 #include "api/test/create_videocodec_test_fixture.h"
 #include "api/test/video/function_video_encoder_factory.h"
 #include "api/video_codecs/sdp_video_format.h"
-#include "media/base/mediaconstants.h"
-#include "media/engine/internaldecoderfactory.h"
-#include "media/engine/internalencoderfactory.h"
+#include "media/base/media_constants.h"
+#include "media/engine/internal_decoder_factory.h"
+#include "media/engine/internal_encoder_factory.h"
 #include "media/engine/simulcast_encoder_adapter.h"
 #include "modules/video_coding/utility/vp8_header_parser.h"
 #include "modules/video_coding/utility/vp9_uncompressed_header_parser.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 namespace test {
diff --git a/modules/video_coding/codecs/test/videocodec_test_mediacodec.cc b/modules/video_coding/codecs/test/videocodec_test_mediacodec.cc
index 916f033..f817f8c 100644
--- a/modules/video_coding/codecs/test/videocodec_test_mediacodec.cc
+++ b/modules/video_coding/codecs/test/videocodec_test_mediacodec.cc
@@ -15,11 +15,11 @@
 #include "absl/memory/memory.h"
 #include "api/test/create_videocodec_test_fixture.h"
 #include "common_types.h"  // NOLINT(build/include)
-#include "media/base/mediaconstants.h"
+#include "media/base/media_constants.h"
 #include "modules/video_coding/codecs/test/android_codec_factory_helper.h"
 #include "modules/video_coding/codecs/test/videocodec_test_fixture_impl.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 namespace test {
diff --git a/modules/video_coding/codecs/test/videocodec_test_openh264.cc b/modules/video_coding/codecs/test/videocodec_test_openh264.cc
index b386178..59d214c 100644
--- a/modules/video_coding/codecs/test/videocodec_test_openh264.cc
+++ b/modules/video_coding/codecs/test/videocodec_test_openh264.cc
@@ -12,10 +12,10 @@
 
 #include "absl/memory/memory.h"
 #include "api/test/create_videocodec_test_fixture.h"
-#include "media/base/mediaconstants.h"
+#include "media/base/media_constants.h"
 #include "modules/video_coding/codecs/test/videocodec_test_fixture_impl.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 namespace test {
diff --git a/modules/video_coding/codecs/test/videocodec_test_parameterized.cc b/modules/video_coding/codecs/test/videocodec_test_parameterized.cc
index d0ee265..099d06c 100644
--- a/modules/video_coding/codecs/test/videocodec_test_parameterized.cc
+++ b/modules/video_coding/codecs/test/videocodec_test_parameterized.cc
@@ -10,7 +10,7 @@
 
 #include "api/test/create_videocodec_test_fixture.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 namespace test {
diff --git a/modules/video_coding/codecs/test/videocodec_test_videotoolbox.cc b/modules/video_coding/codecs/test/videocodec_test_videotoolbox.cc
index f1e565c..10bcf65 100644
--- a/modules/video_coding/codecs/test/videocodec_test_videotoolbox.cc
+++ b/modules/video_coding/codecs/test/videocodec_test_videotoolbox.cc
@@ -12,11 +12,11 @@
 
 #include "absl/memory/memory.h"
 #include "api/test/create_videocodec_test_fixture.h"
-#include "media/base/mediaconstants.h"
+#include "media/base/media_constants.h"
 #include "modules/video_coding/codecs/test/objc_codec_factory_helper.h"
 #include "modules/video_coding/codecs/test/videocodec_test_fixture_impl.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 namespace test {
diff --git a/modules/video_coding/codecs/test/videoprocessor.cc b/modules/video_coding/codecs/test/videoprocessor.cc
index 83181a0..85e7173 100644
--- a/modules/video_coding/codecs/test/videoprocessor.cc
+++ b/modules/video_coding/codecs/test/videoprocessor.cc
@@ -31,7 +31,7 @@
 #include "modules/video_coding/include/video_error_codes.h"
 #include "rtc_base/checks.h"
 #include "rtc_base/scoped_ref_ptr.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 #include "test/gtest.h"
 #include "third_party/libyuv/include/libyuv/compare.h"
 #include "third_party/libyuv/include/libyuv/scale.h"
diff --git a/modules/video_coding/codecs/test/videoprocessor.h b/modules/video_coding/codecs/test/videoprocessor.h
index 1a1bdb3..aaf9ccf 100644
--- a/modules/video_coding/codecs/test/videoprocessor.h
+++ b/modules/video_coding/codecs/test/videoprocessor.h
@@ -32,7 +32,7 @@
 #include "modules/video_coding/utility/ivf_file_writer.h"
 #include "rtc_base/buffer.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/sequenced_task_checker.h"
 #include "rtc_base/task_queue.h"
 #include "rtc_base/thread_annotations.h"
diff --git a/modules/video_coding/codecs/test/videoprocessor_unittest.cc b/modules/video_coding/codecs/test/videoprocessor_unittest.cc
index f83240f..541fc45 100644
--- a/modules/video_coding/codecs/test/videoprocessor_unittest.cc
+++ b/modules/video_coding/codecs/test/videoprocessor_unittest.cc
@@ -15,7 +15,7 @@
 #include "api/test/mock_video_encoder.h"
 #include "api/test/videocodec_test_fixture.h"
 #include "api/video/i420_buffer.h"
-#include "media/base/mediaconstants.h"
+#include "media/base/media_constants.h"
 #include "modules/video_coding/codecs/test/videocodec_test_stats_impl.h"
 #include "modules/video_coding/codecs/test/videoprocessor.h"
 #include "rtc_base/scoped_ref_ptr.h"
diff --git a/modules/video_coding/codecs/vp8/libvpx_vp8_decoder.cc b/modules/video_coding/codecs/vp8/libvpx_vp8_decoder.cc
index b0d5e1d..7b95d2b 100644
--- a/modules/video_coding/codecs/vp8/libvpx_vp8_decoder.cc
+++ b/modules/video_coding/codecs/vp8/libvpx_vp8_decoder.cc
@@ -26,7 +26,7 @@
 #include "rtc_base/checks.h"
 #include "rtc_base/numerics/exp_filter.h"
 #include "rtc_base/scoped_ref_ptr.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 #include "system_wrappers/include/field_trial.h"
 #include "system_wrappers/include/metrics.h"
 #include "third_party/libyuv/include/libyuv/convert.h"
diff --git a/modules/video_coding/codecs/vp8/screenshare_layers.h b/modules/video_coding/codecs/vp8/screenshare_layers.h
index 0359b2c..acaa6d8 100644
--- a/modules/video_coding/codecs/vp8/screenshare_layers.h
+++ b/modules/video_coding/codecs/vp8/screenshare_layers.h
@@ -17,7 +17,7 @@
 #include "modules/video_coding/codecs/vp8/include/temporal_layers_checker.h"
 #include "modules/video_coding/utility/frame_dropper.h"
 #include "rtc_base/rate_statistics.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/video_coding/codecs/vp8/test/vp8_impl_unittest.cc b/modules/video_coding/codecs/vp8/test/vp8_impl_unittest.cc
index 40e01bd..ccc294c 100644
--- a/modules/video_coding/codecs/vp8/test/vp8_impl_unittest.cc
+++ b/modules/video_coding/codecs/vp8/test/vp8_impl_unittest.cc
@@ -22,7 +22,7 @@
 #include "modules/video_coding/codecs/vp8/libvpx_vp8_encoder.h"
 #include "modules/video_coding/codecs/vp8/test/mock_libvpx_interface.h"
 #include "modules/video_coding/utility/vp8_header_parser.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 #include "test/video_codec_settings.h"
 
 namespace webrtc {
diff --git a/modules/video_coding/codecs/vp9/vp9_frame_buffer_pool.cc b/modules/video_coding/codecs/vp9/vp9_frame_buffer_pool.cc
index ecbda4c..4ed25ab 100644
--- a/modules/video_coding/codecs/vp9/vp9_frame_buffer_pool.cc
+++ b/modules/video_coding/codecs/vp9/vp9_frame_buffer_pool.cc
@@ -19,7 +19,7 @@
 
 #include "rtc_base/checks.h"
 #include "rtc_base/logging.h"
-#include "rtc_base/refcountedobject.h"
+#include "rtc_base/ref_counted_object.h"
 
 namespace webrtc {
 
diff --git a/modules/video_coding/codecs/vp9/vp9_frame_buffer_pool.h b/modules/video_coding/codecs/vp9/vp9_frame_buffer_pool.h
index 02ede24..fd84b66 100644
--- a/modules/video_coding/codecs/vp9/vp9_frame_buffer_pool.h
+++ b/modules/video_coding/codecs/vp9/vp9_frame_buffer_pool.h
@@ -17,8 +17,8 @@
 #include <vector>
 
 #include "rtc_base/buffer.h"
-#include "rtc_base/criticalsection.h"
-#include "rtc_base/refcount.h"
+#include "rtc_base/critical_section.h"
+#include "rtc_base/ref_count.h"
 #include "rtc_base/scoped_ref_ptr.h"
 
 struct vpx_codec_ctx;
diff --git a/modules/video_coding/codecs/vp9/vp9_impl.cc b/modules/video_coding/codecs/vp9/vp9_impl.cc
index c87c9bb..6f3e979 100644
--- a/modules/video_coding/codecs/vp9/vp9_impl.cc
+++ b/modules/video_coding/codecs/vp9/vp9_impl.cc
@@ -32,7 +32,7 @@
 #include "rtc_base/checks.h"
 #include "rtc_base/keep_ref_until_done.h"
 #include "rtc_base/logging.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 #include "rtc_base/trace_event.h"
 #include "system_wrappers/include/field_trial.h"
 
diff --git a/modules/video_coding/fec_controller_default.h b/modules/video_coding/fec_controller_default.h
index 9943777..1db39a4 100644
--- a/modules/video_coding/fec_controller_default.h
+++ b/modules/video_coding/fec_controller_default.h
@@ -19,8 +19,8 @@
 #include "api/fec_controller.h"
 #include "common_types.h"  // NOLINT(build/include)
 #include "modules/video_coding/media_opt_util.h"
-#include "rtc_base/constructormagic.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/constructor_magic.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/thread_annotations.h"
 #include "system_wrappers/include/clock.h"
 
diff --git a/modules/video_coding/frame_buffer2.h b/modules/video_coding/frame_buffer2.h
index d132bec..64249a5 100644
--- a/modules/video_coding/frame_buffer2.h
+++ b/modules/video_coding/frame_buffer2.h
@@ -22,8 +22,8 @@
 #include "api/video/encoded_frame.h"
 #include "modules/video_coding/include/video_coding_defines.h"
 #include "modules/video_coding/inter_frame_delay.h"
-#include "rtc_base/constructormagic.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/constructor_magic.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/event.h"
 #include "rtc_base/experiments/rtt_mult_experiment.h"
 #include "rtc_base/numerics/sequence_number_util.h"
diff --git a/modules/video_coding/frame_object.cc b/modules/video_coding/frame_object.cc
index 750c977..8fd8983 100644
--- a/modules/video_coding/frame_object.cc
+++ b/modules/video_coding/frame_object.cc
@@ -17,7 +17,7 @@
 #include "modules/video_coding/packet.h"
 #include "modules/video_coding/packet_buffer.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 
 namespace webrtc {
 namespace video_coding {
diff --git a/modules/video_coding/generic_decoder.cc b/modules/video_coding/generic_decoder.cc
index dee28ae..6ef4c36 100644
--- a/modules/video_coding/generic_decoder.cc
+++ b/modules/video_coding/generic_decoder.cc
@@ -17,7 +17,7 @@
 #include "modules/video_coding/include/video_error_codes.h"
 #include "rtc_base/checks.h"
 #include "rtc_base/logging.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 #include "rtc_base/trace_event.h"
 #include "system_wrappers/include/clock.h"
 
diff --git a/modules/video_coding/generic_decoder.h b/modules/video_coding/generic_decoder.h
index b0dccc4..d4a15d9 100644
--- a/modules/video_coding/generic_decoder.h
+++ b/modules/video_coding/generic_decoder.h
@@ -18,7 +18,7 @@
 #include "modules/video_coding/include/video_codec_interface.h"
 #include "modules/video_coding/timestamp_map.h"
 #include "modules/video_coding/timing.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/thread_checker.h"
 
 namespace webrtc {
diff --git a/modules/video_coding/generic_encoder.cc b/modules/video_coding/generic_encoder.cc
index 2d992ef..221a8b2 100644
--- a/modules/video_coding/generic_encoder.cc
+++ b/modules/video_coding/generic_encoder.cc
@@ -25,7 +25,7 @@
 #include "rtc_base/checks.h"
 #include "rtc_base/experiments/alr_experiment.h"
 #include "rtc_base/logging.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 #include "rtc_base/trace_event.h"
 
 namespace webrtc {
diff --git a/modules/video_coding/generic_encoder.h b/modules/video_coding/generic_encoder.h
index 463f98a..760831c 100644
--- a/modules/video_coding/generic_encoder.h
+++ b/modules/video_coding/generic_encoder.h
@@ -18,7 +18,7 @@
 #include "api/units/data_rate.h"
 #include "modules/video_coding/include/video_codec_interface.h"
 #include "modules/video_coding/include/video_coding_defines.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/race_checker.h"
 
 namespace webrtc {
diff --git a/modules/video_coding/generic_encoder_unittest.cc b/modules/video_coding/generic_encoder_unittest.cc
index 9491b5a..66d7873 100644
--- a/modules/video_coding/generic_encoder_unittest.cc
+++ b/modules/video_coding/generic_encoder_unittest.cc
@@ -14,8 +14,8 @@
 #include "api/video/video_timing.h"
 #include "modules/video_coding/generic_encoder.h"
 #include "modules/video_coding/include/video_coding_defines.h"
-#include "rtc_base/fakeclock.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/fake_clock.h"
+#include "rtc_base/time_utils.h"
 #include "test/gtest.h"
 
 namespace webrtc {
diff --git a/modules/video_coding/h264_sprop_parameter_sets.h b/modules/video_coding/h264_sprop_parameter_sets.h
index 28172d4..dbf27ef 100644
--- a/modules/video_coding/h264_sprop_parameter_sets.h
+++ b/modules/video_coding/h264_sprop_parameter_sets.h
@@ -15,7 +15,7 @@
 #include <string>
 #include <vector>
 
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/video_coding/jitter_buffer.h b/modules/video_coding/jitter_buffer.h
index c8d7781..4a0d740 100644
--- a/modules/video_coding/jitter_buffer.h
+++ b/modules/video_coding/jitter_buffer.h
@@ -25,8 +25,8 @@
 #include "modules/video_coding/inter_frame_delay.h"
 #include "modules/video_coding/jitter_buffer_common.h"
 #include "modules/video_coding/jitter_estimator.h"
-#include "rtc_base/constructormagic.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/constructor_magic.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/thread_annotations.h"
 #include "system_wrappers/include/event_wrapper.h"
 
diff --git a/modules/video_coding/jitter_estimator.h b/modules/video_coding/jitter_estimator.h
index 56b5328..f163f4c 100644
--- a/modules/video_coding/jitter_estimator.h
+++ b/modules/video_coding/jitter_estimator.h
@@ -12,7 +12,7 @@
 #define MODULES_VIDEO_CODING_JITTER_ESTIMATOR_H_
 
 #include "modules/video_coding/rtt_filter.h"
-#include "rtc_base/rollingaccumulator.h"
+#include "rtc_base/rolling_accumulator.h"
 
 namespace webrtc {
 
diff --git a/modules/video_coding/jitter_estimator_tests.cc b/modules/video_coding/jitter_estimator_tests.cc
index 730f0ac..e696f0e 100644
--- a/modules/video_coding/jitter_estimator_tests.cc
+++ b/modules/video_coding/jitter_estimator_tests.cc
@@ -18,7 +18,7 @@
 #include "rtc_base/experiments/jitter_upper_bound_experiment.h"
 #include "rtc_base/numerics/histogram_percentile_counter.h"
 #include "rtc_base/strings/string_builder.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 #include "system_wrappers/include/clock.h"
 #include "test/field_trial.h"
 #include "test/gtest.h"
diff --git a/modules/video_coding/nack_module.h b/modules/video_coding/nack_module.h
index ace5648..16891d7 100644
--- a/modules/video_coding/nack_module.h
+++ b/modules/video_coding/nack_module.h
@@ -19,7 +19,7 @@
 #include "modules/include/module.h"
 #include "modules/include/module_common_types.h"
 #include "modules/video_coding/histogram.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/numerics/sequence_number_util.h"
 #include "rtc_base/thread_annotations.h"
 #include "system_wrappers/include/clock.h"
diff --git a/modules/video_coding/packet_buffer.cc b/modules/video_coding/packet_buffer.cc
index 4ef0b00..7fd3fc7 100644
--- a/modules/video_coding/packet_buffer.cc
+++ b/modules/video_coding/packet_buffer.cc
@@ -22,7 +22,7 @@
 #include "modules/rtp_rtcp/source/rtp_video_header.h"
 #include "modules/video_coding/codecs/h264/include/h264_globals.h"
 #include "modules/video_coding/frame_object.h"
-#include "rtc_base/atomicops.h"
+#include "rtc_base/atomic_ops.h"
 #include "rtc_base/checks.h"
 #include "rtc_base/logging.h"
 #include "rtc_base/numerics/mod_ops.h"
diff --git a/modules/video_coding/packet_buffer.h b/modules/video_coding/packet_buffer.h
index 51d2782..73ffb05 100644
--- a/modules/video_coding/packet_buffer.h
+++ b/modules/video_coding/packet_buffer.h
@@ -19,7 +19,7 @@
 #include "modules/include/module_common_types.h"
 #include "modules/video_coding/packet.h"
 #include "modules/video_coding/rtp_frame_reference_finder.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/numerics/sequence_number_util.h"
 #include "rtc_base/scoped_ref_ptr.h"
 #include "rtc_base/thread_annotations.h"
diff --git a/modules/video_coding/receiver.h b/modules/video_coding/receiver.h
index 97692e0..e69aeea 100644
--- a/modules/video_coding/receiver.h
+++ b/modules/video_coding/receiver.h
@@ -19,7 +19,7 @@
 #include "modules/video_coding/jitter_buffer.h"
 #include "modules/video_coding/packet.h"
 #include "modules/video_coding/timing.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "system_wrappers/include/event_wrapper.h"
 
 namespace webrtc {
diff --git a/modules/video_coding/rtp_frame_reference_finder.h b/modules/video_coding/rtp_frame_reference_finder.h
index 01819ea..e39d991 100644
--- a/modules/video_coding/rtp_frame_reference_finder.h
+++ b/modules/video_coding/rtp_frame_reference_finder.h
@@ -20,7 +20,7 @@
 
 #include "modules/include/module_common_types.h"
 #include "modules/rtp_rtcp/source/rtp_generic_frame_descriptor.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/numerics/sequence_number_util.h"
 #include "rtc_base/thread_annotations.h"
 
diff --git a/modules/video_coding/rtp_frame_reference_finder_unittest.cc b/modules/video_coding/rtp_frame_reference_finder_unittest.cc
index 1e8a9c5..e5694f9 100644
--- a/modules/video_coding/rtp_frame_reference_finder_unittest.cc
+++ b/modules/video_coding/rtp_frame_reference_finder_unittest.cc
@@ -17,7 +17,7 @@
 #include "modules/video_coding/frame_object.h"
 #include "modules/video_coding/packet_buffer.h"
 #include "rtc_base/random.h"
-#include "rtc_base/refcount.h"
+#include "rtc_base/ref_count.h"
 #include "system_wrappers/include/clock.h"
 #include "test/gtest.h"
 
diff --git a/modules/video_coding/test/stream_generator.h b/modules/video_coding/test/stream_generator.h
index 22c9f11..150fa79 100644
--- a/modules/video_coding/test/stream_generator.h
+++ b/modules/video_coding/test/stream_generator.h
@@ -15,7 +15,7 @@
 
 #include "common_types.h"  // NOLINT(build/include)
 #include "modules/video_coding/packet.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/video_coding/timing.h b/modules/video_coding/timing.h
index 2b5e21d..c70410e 100644
--- a/modules/video_coding/timing.h
+++ b/modules/video_coding/timing.h
@@ -14,7 +14,7 @@
 #include <memory>
 
 #include "modules/video_coding/codec_timer.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/thread_annotations.h"
 
 namespace webrtc {
diff --git a/modules/video_coding/utility/ivf_file_writer.h b/modules/video_coding/utility/ivf_file_writer.h
index 21ebd97..600ab8d 100644
--- a/modules/video_coding/utility/ivf_file_writer.h
+++ b/modules/video_coding/utility/ivf_file_writer.h
@@ -17,9 +17,9 @@
 
 #include "api/video/encoded_image.h"
 #include "common_types.h"  // NOLINT(build/include)
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/file.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/video_coding/utility/ivf_file_writer_unittest.cc b/modules/video_coding/utility/ivf_file_writer_unittest.cc
index 720402f..6f71496 100644
--- a/modules/video_coding/utility/ivf_file_writer_unittest.cc
+++ b/modules/video_coding/utility/ivf_file_writer_unittest.cc
@@ -17,7 +17,7 @@
 #include "modules/rtp_rtcp/source/byte_io.h"
 #include "rtc_base/platform_file.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/video_coding/utility/quality_scaler.cc b/modules/video_coding/utility/quality_scaler.cc
index 4a517dc..e41a010 100644
--- a/modules/video_coding/utility/quality_scaler.cc
+++ b/modules/video_coding/utility/quality_scaler.cc
@@ -17,7 +17,7 @@
 #include "rtc_base/logging.h"
 #include "rtc_base/numerics/exp_filter.h"
 #include "rtc_base/task_queue.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 
 // TODO(kthelgason): Some versions of Android have issues with log2.
 // See https://code.google.com/p/android/issues/detail?id=212634 for details
diff --git a/modules/video_coding/utility/simulcast_rate_allocator.h b/modules/video_coding/utility/simulcast_rate_allocator.h
index c1e8967..c5242a5 100644
--- a/modules/video_coding/utility/simulcast_rate_allocator.h
+++ b/modules/video_coding/utility/simulcast_rate_allocator.h
@@ -18,7 +18,7 @@
 #include "api/video/video_bitrate_allocation.h"
 #include "api/video/video_bitrate_allocator.h"
 #include "api/video_codecs/video_codec.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/video_coding/utility/vp9_uncompressed_header_parser.cc b/modules/video_coding/utility/vp9_uncompressed_header_parser.cc
index 808fdd3..9c89235 100644
--- a/modules/video_coding/utility/vp9_uncompressed_header_parser.cc
+++ b/modules/video_coding/utility/vp9_uncompressed_header_parser.cc
@@ -9,7 +9,7 @@
  */
 #include "modules/video_coding/utility/vp9_uncompressed_header_parser.h"
 
-#include "rtc_base/bitbuffer.h"
+#include "rtc_base/bit_buffer.h"
 #include "rtc_base/logging.h"
 
 namespace webrtc {
diff --git a/modules/video_coding/video_codec_initializer_unittest.cc b/modules/video_coding/video_codec_initializer_unittest.cc
index 75be427..a90b7b7 100644
--- a/modules/video_coding/video_codec_initializer_unittest.cc
+++ b/modules/video_coding/video_codec_initializer_unittest.cc
@@ -25,7 +25,7 @@
 #include "common_types.h"  // NOLINT(build/include)
 #include "modules/video_coding/codecs/vp9/include/vp9_globals.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/refcountedobject.h"
+#include "rtc_base/ref_counted_object.h"
 #include "rtc_base/scoped_ref_ptr.h"
 #include "test/gtest.h"
 
diff --git a/modules/video_coding/video_coding_impl.cc b/modules/video_coding/video_coding_impl.cc
index 7600915..70b816d 100644
--- a/modules/video_coding/video_coding_impl.cc
+++ b/modules/video_coding/video_coding_impl.cc
@@ -17,7 +17,7 @@
 #include "common_types.h"  // NOLINT(build/include)
 #include "modules/video_coding/include/video_codec_interface.h"
 #include "modules/video_coding/timing.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/thread_checker.h"
 #include "system_wrappers/include/clock.h"
 
diff --git a/modules/video_coding/video_coding_impl.h b/modules/video_coding/video_coding_impl.h
index 08b0753..e6b1215 100644
--- a/modules/video_coding/video_coding_impl.h
+++ b/modules/video_coding/video_coding_impl.h
@@ -26,7 +26,7 @@
 #include "modules/video_coding/jitter_buffer.h"
 #include "modules/video_coding/receiver.h"
 #include "modules/video_coding/timing.h"
-#include "rtc_base/onetimeevent.h"
+#include "rtc_base/one_time_event.h"
 #include "rtc_base/sequenced_task_checker.h"
 #include "rtc_base/thread_annotations.h"
 #include "rtc_base/thread_checker.h"
diff --git a/modules/video_coding/video_receiver.cc b/modules/video_coding/video_receiver.cc
index f9b3547..414c07a 100644
--- a/modules/video_coding/video_receiver.cc
+++ b/modules/video_coding/video_receiver.cc
@@ -31,10 +31,10 @@
 #include "modules/video_coding/timing.h"
 #include "modules/video_coding/video_coding_impl.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/location.h"
 #include "rtc_base/logging.h"
-#include "rtc_base/onetimeevent.h"
+#include "rtc_base/one_time_event.h"
 #include "rtc_base/thread_checker.h"
 #include "rtc_base/trace_event.h"
 #include "system_wrappers/include/clock.h"
diff --git a/modules/video_coding/video_sender.cc b/modules/video_coding/video_sender.cc
index fe959b8..78196ab 100644
--- a/modules/video_coding/video_sender.cc
+++ b/modules/video_coding/video_sender.cc
@@ -28,7 +28,7 @@
 #include "modules/video_coding/utility/default_video_bitrate_allocator.h"
 #include "modules/video_coding/video_coding_impl.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/logging.h"
 #include "rtc_base/scoped_ref_ptr.h"
 #include "rtc_base/sequenced_task_checker.h"
diff --git a/modules/video_coding/video_sender_unittest.cc b/modules/video_coding/video_sender_unittest.cc
index a9c9e45..44e9c34 100644
--- a/modules/video_coding/video_sender_unittest.cc
+++ b/modules/video_coding/video_sender_unittest.cc
@@ -24,7 +24,7 @@
 #include "system_wrappers/include/clock.h"
 #include "test/frame_generator.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 #include "test/video_codec_settings.h"
 
 using ::testing::_;
diff --git a/modules/video_processing/test/denoiser_test.cc b/modules/video_processing/test/denoiser_test.cc
index 0143345..223e3ae 100644
--- a/modules/video_processing/test/denoiser_test.cc
+++ b/modules/video_processing/test/denoiser_test.cc
@@ -22,7 +22,7 @@
 #include "rtc_base/scoped_ref_ptr.h"
 #include "test/frame_utils.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {