Roll src/third_party/webrtc 2257c087b11b..1f74351e20ca (1 commits)

https://webrtc.googlesource.com/src.git/+log/2257c087b11b..1f74351e20ca

git log 2257c087b11b..1f74351e20ca --date=short --first-parent --format='%ad %ae %s'
2020-01-03 chromium-webrtc-autoroll@webrtc-ci.iam.gserviceaccount.com Roll chromium_revision 9427b393..236f912c (728171:728281)

Created with:
  gclient setdep -r src/third_party/webrtc@1f74351e20ca

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/webrtc-chromium-autoroll
Please CC webrtc-chromium-sheriffs-robots@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

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

Bug: None
Tbr: webrtc-chromium-sheriffs-robots@google.com
Change-Id: I5861167faab84f15aee06540f159ce79416d33fc
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1987105Reviewed-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@{#728322}

DEPS

@@ -1494,7 +1494,7 @@ deps = {
     Var('chromium_git') + '/external/khronosgroup/webgl.git' + '@' + '53655df4cde60b121fc530842ba9a6d5dfec1ae1',
 
   'src/third_party/webrtc':
-    Var('webrtc_git') + '/src.git' + '@' + '2257c087b11b8c45414cd237bf9911b0fea9a16d',
+    Var('webrtc_git') + '/src.git' + '@' + '1f74351e20cae8a167d36cdb10bb3a2c65300b81',
 
   'src/third_party/libgifcodec':
      Var('skia_git') + '/libgifcodec' + '@'+  Var('libgifcodec_revision'),