Roll src/third_party/webrtc 666290a263b8..9a7970de2813 (2 commits)

https://webrtc.googlesource.com/src.git/+log/666290a263b8..9a7970de2813


git log 666290a263b8..9a7970de2813 --date=short --no-merges --format='%ad %ae %s'
2019-05-15 chromium-webrtc-autoroll@webrtc-ci.iam.gserviceaccount.com Roll chromium_revision ee800955..34a27578 (660080:660187)
2019-05-15 chromium-webrtc-autoroll@webrtc-ci.iam.gserviceaccount.com Roll chromium_revision 7991984f..ee800955 (659976:660080)


Created with:
  gclient setdep -r src/third_party/webrtc@9a7970de2813

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.



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

Change-Id: Ia97b1803f122879ea3e8193d6f3191dcb4a79b5d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1614238Reviewed-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@{#660257}

DEPS

@@ -1345,7 +1345,7 @@ deps = {
     Var('chromium_git') + '/external/khronosgroup/webgl.git' + '@' + '6f0b34abee8dba611c253738d955c59f703c147a',
 
   'src/third_party/webrtc':
-    Var('webrtc_git') + '/src.git' + '@' + '666290a263b8ebb210cbc71f9dcc42cdcddcc582',
+    Var('webrtc_git') + '/src.git' + '@' + '9a7970de2813d43155321756b1da3d875a22b8f9',
 
   'src/third_party/xdg-utils': {
       'url': Var('chromium_git') + '/chromium/deps/xdg-utils.git' + '@' + 'd80274d5869b17b8c9067a1022e4416ee7ed5e0d',