Roll src/third_party/webrtc f25907800923..2c977b4cc57d (6 commits)

https://webrtc.googlesource.com/src.git/+log/f25907800923..2c977b4cc57d


git log f25907800923..2c977b4cc57d --date=short --no-merges --format='%ad %ae %s'
2018-11-22 terelius@webrtc.org Remove RSID from stream configs in new event log format.
2018-11-22 yvesg@webrtc.org [GN] Fix dependency rebasing in BUILD.gn files.
2018-11-22 srte@webrtc.org Routing BitrateAllocationUpdate to audio codec.
2018-11-22 chromium-webrtc-autoroll@webrtc-ci.iam.gserviceaccount.com Roll chromium_revision 1500c78c..f9be7d3d (610314:610432)
2018-11-22 peterhanspers@webrtc.org Metal: Don't render into an empty view.
2018-11-22 gustaf@webrtc.org AEC3: Clockdrift detection


Created with:
  gclient setdep -r src/third_party/webrtc@2c977b4cc57d

The AutoRoll server is located here: https://autoroll.skia.org/r/webrtc-chromium-autoroll

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.

CQ_INCLUDE_TRYBOTS=luci.chromium.try:linux_chromium_archive_rel_ng;luci.chromium.try:mac_chromium_archive_rel_ng

BUG=chromium:None
TBR=webrtc-chromium-sheriffs-robots@google.com

Change-Id: Ic20882afbd8663158dfe2db60496ac5d7c98f874
Reviewed-on: https://chromium-review.googlesource.com/c/1348574Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#610497}

DEPS

@@ -1160,7 +1160,7 @@ deps = {
     Var('chromium_git') + '/external/khronosgroup/webgl.git' + '@' + '5b6cbd789b9b91b4e46dde883c9f2ecb31eddade',
 
   'src/third_party/webrtc':
-    Var('webrtc_git') + '/src.git' + '@' + 'f259078009238708daa9fbe5027adf1c182ceae2',
+    Var('webrtc_git') + '/src.git' + '@' + '2c977b4cc57d9ddbf9cf6367dde5e91c4f2ba12a',
 
   'src/third_party/xdg-utils': {
       'url': Var('chromium_git') + '/chromium/deps/xdg-utils.git' + '@' + 'd80274d5869b17b8c9067a1022e4416ee7ed5e0d',