Roll src/third_party/webrtc cb60a8b64c94..b249c5420944 (5 commits)

https://webrtc.googlesource.com/src.git/+log/cb60a8b64c94..b249c5420944


git log cb60a8b64c94..b249c5420944 --date=short --no-merges --format='%ad %ae %s'
2019-07-09 danilchap@webrtc.org Delete GlobalTaskQueueFactory as now unused
2019-07-09 ssilkin@webrtc.org Use max bitrate limit recommended by encoder.
2019-07-09 titovartem@google.com Fix collection of audio metrics from PC test framework for audio test
2019-07-09 titovartem@webrtc.org Add support of specifying audio sample rate for PC test framework
2019-07-09 danilchap@webrtc.org Remove cricket::WebRtcMediaEngineFactory as now unused


Created with:
  gclient setdep -r src/third_party/webrtc@b249c5420944

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.


TBR=webrtc-chromium-sheriffs-robots@google.com

Change-Id: If3cd2ae368947fafe227c4e8043cb7d57d6377cd
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1692728Reviewed-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@{#675753}

DEPS

@@ -1359,7 +1359,7 @@ deps = {
     Var('chromium_git') + '/external/khronosgroup/webgl.git' + '@' + '91350f8ecf9ab2922ee062c114e4a759f24bd8d0',
 
   'src/third_party/webrtc':
-    Var('webrtc_git') + '/src.git' + '@' + 'cb60a8b64c94c0f2ef4ace56d07b99934e0e4fbe',
+    Var('webrtc_git') + '/src.git' + '@' + 'b249c54209447135a58ce606b0cb9d7bbd4ab85b',
 
   'src/third_party/xdg-utils': {
       'url': Var('chromium_git') + '/chromium/deps/xdg-utils.git' + '@' + 'd80274d5869b17b8c9067a1022e4416ee7ed5e0d',