Roll chromium_revision 4b7890cdbe..f831fc29d7 (788759:788907)

Change log: https://chromium.googlesource.com/chromium/src/+log/4b7890cdbe..f831fc29d7
Full diff: https://chromium.googlesource.com/chromium/src/+/4b7890cdbe..f831fc29d7

Changed dependencies
* src/base: https://chromium.googlesource.com/chromium/src/base/+log/ec68b2fa89..475d373720
* src/build: https://chromium.googlesource.com/chromium/src/build/+log/ad87d7f5d5..a96f2005a3
* src/ios: https://chromium.googlesource.com/chromium/src/ios/+log/2d7a9c2ef7..b50360f55b
* src/testing: https://chromium.googlesource.com/chromium/src/testing/+log/64f4ad1d7c..29ce189579
* src/third_party: https://chromium.googlesource.com/chromium/src/third_party/+log/390aec887d..b36324caf7
* src/third_party/catapult: https://chromium.googlesource.com/catapult.git/+log/f4db4dad69..0ea0cd5102
* src/third_party/depot_tools: https://chromium.googlesource.com/chromium/tools/depot_tools.git/+log/9d9199a509..5fcb48536c
* src/third_party/nasm: https://chromium.googlesource.com/chromium/deps/nasm.git/+log/4fa54ca5f7..19f3fad68d
* src/third_party/perfetto: https://android.googlesource.com/platform/external/perfetto.git/+log/1a82e68482..c63cdce64c
* src/tools: https://chromium.googlesource.com/chromium/src/tools/+log/f4f7f17aef..a28935f3fb
DEPS diff: https://chromium.googlesource.com/chromium/src/+/4b7890cdbe..f831fc29d7/DEPS

No update to Clang.

TBR=chromium-webrtc-autoroll@webrtc-ci.iam.gserviceaccount.com,
BUG=None

Change-Id: I5a147a483a6e21a8ce2630cbae80ae24e7515bed
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/179442
Reviewed-by: Autoroller <chromium-webrtc-autoroll@webrtc-ci.iam.gserviceaccount.com>
Commit-Queue: Autoroller <chromium-webrtc-autoroll@webrtc-ci.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#31737}
diff --git a/DEPS b/DEPS
index 2e1df7e..daa0728 100644
--- a/DEPS
+++ b/DEPS
@@ -10,7 +10,7 @@
   # chromium waterfalls. More info at: crbug.com/570091.
   'checkout_configuration': 'default',
   'checkout_instrumented_libraries': 'checkout_linux and checkout_configuration == "default"',
-  'chromium_revision': '4b7890cdbe937380963abf3884ee192c3c818ae7',
+  'chromium_revision': 'f831fc29d7a23fe6be71dbf1ebcd79d2f2eb5156',
 
   # This can be overridden, e.g. with custom_vars, to download a nonstandard
   # Xcode version in build/mac_toolchain.py
@@ -22,9 +22,9 @@
   # TODO(kjellander): Move this to be Android-only once the libevent dependency
   # in base/third_party/libevent is solved.
   'src/base':
-    'https://chromium.googlesource.com/chromium/src/base@ec68b2fa89f193a618b0de5d152037247333a896',
+    'https://chromium.googlesource.com/chromium/src/base@475d373720b816da5b3b3e1fe7fabfeb77a82fa0',
   'src/build':
-    'https://chromium.googlesource.com/chromium/src/build@ad87d7f5d50637f78d2b0e36450bd9eaa0f83aa5',
+    'https://chromium.googlesource.com/chromium/src/build@a96f2005a39ea6f99ecead9c5577a386fe7316d2',
   'src/buildtools':
     'https://chromium.googlesource.com/chromium/src/buildtools@eb3987ec709b39469423100c1e77f0446890e059',
   # Gradle 4.3-rc4. Used for testing Android Studio project generation for WebRTC.
@@ -33,13 +33,13 @@
     'condition': 'checkout_android',
   },
   'src/ios': {
-    'url': 'https://chromium.googlesource.com/chromium/src/ios@2d7a9c2ef7c438107ce6310e63fcea046b3b4110',
+    'url': 'https://chromium.googlesource.com/chromium/src/ios@b50360f55b4d91782444b218520b02bed35ada7b',
     'condition': 'checkout_ios',
   },
   'src/testing':
-    'https://chromium.googlesource.com/chromium/src/testing@64f4ad1d7cf591079433b0eb4d4412c367e6285e',
+    'https://chromium.googlesource.com/chromium/src/testing@29ce189579d3b8253765e7974b971d306c19cb06',
   'src/third_party':
-    'https://chromium.googlesource.com/chromium/src/third_party@390aec887d362d99e3c66f19cf10262634ce1d97',
+    'https://chromium.googlesource.com/chromium/src/third_party@b36324caf76e0b3a30176c51ae68df0b6cecc164',
 
   'src/buildtools/linux64': {
     'packages': [
@@ -130,14 +130,14 @@
   'src/third_party/breakpad/breakpad':
     'https://chromium.googlesource.com/breakpad/breakpad.git@2757a2c9c819fcae3784576aef0c8400c7ad06d7',
   'src/third_party/catapult':
-    'https://chromium.googlesource.com/catapult.git@f4db4dad69d7426c19b8de58ca973858f3c01f94',
+    'https://chromium.googlesource.com/catapult.git@0ea0cd51026f96232359b78a32ce21eaf41bef1e',
   'src/third_party/ced/src': {
     'url': 'https://chromium.googlesource.com/external/github.com/google/compact_enc_det.git@ba412eaaacd3186085babcd901679a48863c7dd5',
   },
   'src/third_party/colorama/src':
     'https://chromium.googlesource.com/external/colorama.git@799604a1041e9b3bc5d2789ecbd7e8db2e18e6b8',
   'src/third_party/depot_tools':
-    'https://chromium.googlesource.com/chromium/tools/depot_tools.git@9d9199a509bf792d7d24ac91d92ed0d111f8d9fb',
+    'https://chromium.googlesource.com/chromium/tools/depot_tools.git@5fcb48536cceaa77db9af14cd00e049e3a74b9b9',
   'src/third_party/ffmpeg':
     'https://chromium.googlesource.com/chromium/third_party/ffmpeg.git@d2dd36c03501e995e8ce2d792d834392b2e62bfe',
   'src/third_party/findbugs': {
@@ -208,7 +208,7 @@
       'condition': 'checkout_android',
   },
   'src/third_party/perfetto':
-    'https://android.googlesource.com/platform/external/perfetto.git@1a82e68482aacc6cdeeeab15c4d95185b49a05ac',
+    'https://android.googlesource.com/platform/external/perfetto.git@c63cdce64c9e4dc5fb9fa4f820b39bac1de8553b',
   'src/third_party/libvpx/source/libvpx':
     'https://chromium.googlesource.com/webm/libvpx.git@a1cee8dc919df1980d802e1a9bce1259ec34cba8',
   'src/third_party/libyuv':
@@ -224,7 +224,7 @@
 
   # Used by boringssl.
   'src/third_party/nasm': {
-      'url': 'https://chromium.googlesource.com/chromium/deps/nasm.git@4fa54ca5f7fc3a15a8c78ac94688e64d3e4e4fa1'
+      'url': 'https://chromium.googlesource.com/chromium/deps/nasm.git@19f3fad68da99277b2882939d3b2fa4c4b8d51d9'
   },
 
   'src/third_party/openh264/src':
@@ -265,7 +265,7 @@
     'condition': 'checkout_win',
   },
   'src/tools':
-    'https://chromium.googlesource.com/chromium/src/tools@f4f7f17aef3adcdee4a9c70f44848b0a1f0b4263',
+    'https://chromium.googlesource.com/chromium/src/tools@a28935f3fb5132cf4ac378b0c11dda6ffff361fe',
   'src/tools/swarming_client':
     'https://chromium.googlesource.com/infra/luci/client-py.git@4c095d04179dc725a300085ae21fe3b79900d072',