Format almost everything.

This CL was generated by running

git ls-files | grep -P "(\.h|\.cc)$" | grep -v 'sdk/' | grep -v 'rtc_base/ssl_' | \
grep -v 'fake_rtc_certificate_generator.h' | grep -v 'modules/audio_device/win/' | \
grep -v 'system_wrappers/source/clock.cc' | grep -v 'rtc_base/trace_event.h' | \
grep -v 'modules/audio_coding/codecs/ilbc/' | grep -v 'screen_capturer_mac.h' | \
grep -v 'spl_inl_mips.h' | grep -v 'data_size_unittest.cc' | grep -v 'timestamp_unittest.cc' \
| xargs clang-format -i ; git cl format

Most of these changes are clang-format grouping and reordering includes
differently.

Bug: webrtc:9340
Change-Id: Ic83ddbc169bfacd21883e381b5181c3dd4fe8a63
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/144051
Commit-Queue: Jonas Olsson <jonasolsson@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#28505}
diff --git a/test/frame_generator.cc b/test/frame_generator.cc
index 84da4f7..7a9e9a0 100644
--- a/test/frame_generator.cc
+++ b/test/frame_generator.cc
@@ -10,6 +10,7 @@
 #include "test/frame_generator.h"
 
 #include <string.h>
+
 #include <cstdint>
 #include <cstdio>
 #include <memory>
@@ -233,8 +234,7 @@
     size_t prev_file_index = file_index_;
     last_read_buffer_ =
         test::ReadI420Buffer(static_cast<int>(width_),
-                             static_cast<int>(height_),
-                             files_[file_index_]);
+                             static_cast<int>(height_), files_[file_index_]);
     ++frame_index_;
     if (!last_read_buffer_) {
       // No more frames to read in this file, rewind and move to next file.
@@ -244,8 +244,7 @@
       file_index_ = (file_index_ + 1) % files_.size();
       last_read_buffer_ =
           test::ReadI420Buffer(static_cast<int>(width_),
-                               static_cast<int>(height_),
-                               files_[file_index_]);
+                               static_cast<int>(height_), files_[file_index_]);
       RTC_CHECK(last_read_buffer_);
     }
     return frame_index_ != prev_frame_index || file_index_ != prev_file_index;
@@ -301,7 +300,7 @@
   void GenerateNewFrame() {
     // The squares should have a varying order of magnitude in order
     // to simulate variation in the slides' complexity.
-    const int kSquareNum =  1 << (4 + (random_generator_.Rand(0, 3) * 2));
+    const int kSquareNum = 1 << (4 + (random_generator_.Rand(0, 3) * 2));
 
     buffer_ = I420Buffer::Create(width_, height_);
     memset(buffer_->MutableDataY(), 127, height_ * buffer_->StrideY());
@@ -525,9 +524,11 @@
 }
 
 std::unique_ptr<FrameGenerator> FrameGenerator::CreateSlideGenerator(
-    int width, int height, int frame_repeat_count) {
-  return std::unique_ptr<FrameGenerator>(new SlideGenerator(
-      width, height, frame_repeat_count));
+    int width,
+    int height,
+    int frame_repeat_count) {
+  return std::unique_ptr<FrameGenerator>(
+      new SlideGenerator(width, height, frame_repeat_count));
 }
 
 std::unique_ptr<FrameGenerator> FrameGenerator::CreateFromYuvFile(