Roll src/third_party/webrtc b5bb51306614..179a3923b9e4 (3 commits)

https://webrtc.googlesource.com/src.git/+log/b5bb51306614..179a3923b9e4


git log b5bb51306614..179a3923b9e4 --date=short --no-merges --format='%ad %ae %s'
2018-11-16 Peter) Slatala Implement TargetBitrate, NetworkRoute and overhead features of media transport interface.
2018-11-16 srte@webrtc.org Don't add empty extension list in event log parser.
2018-11-16 Peter) Slatala Fix data race in channel_send.cc


Created with:
  gclient setdep -r src/third_party/webrtc@179a3923b9e4

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

Change-Id: I6b9048c5bf8d5b011272f5f8ac99ebdc24e32cbf
Reviewed-on: https://chromium-review.googlesource.com/c/1340979Reviewed-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@{#609038}

DEPS

@@ -1166,7 +1166,7 @@ deps = {
     Var('chromium_git') + '/external/khronosgroup/webgl.git' + '@' + '5b6cbd789b9b91b4e46dde883c9f2ecb31eddade',
 
   'src/third_party/webrtc':
-    Var('webrtc_git') + '/src.git' + '@' + 'b5bb5130661441327104443630d96da372a7cb02',
+    Var('webrtc_git') + '/src.git' + '@' + '179a3923b9e402f427728d52b3024a3de1696a66',
 
   'src/third_party/xdg-utils': {
       'url': Var('chromium_git') + '/chromium/deps/xdg-utils.git' + '@' + 'd80274d5869b17b8c9067a1022e4416ee7ed5e0d',