Roll src/third_party/webrtc 3af5c4c3547b..79e9f4b9c128 (3 commits)

https://webrtc.googlesource.com/src.git/+log/3af5c4c3547b..79e9f4b9c128


git log 3af5c4c3547b..79e9f4b9c128 --date=short --no-merges --format='%ad %ae %s'
2019-04-13 yvesg@webrtc.org Replace test::Statistics by webrtc::RunningStatistics.
2019-04-13 benwright@webrtc.org Remove HKDF implementation from WebRTC.
2019-04-13 chromium-webrtc-autoroll@webrtc-ci.iam.gserviceaccount.com Roll chromium_revision 9ba7465f..8b06d91a (650428:650536)


Created with:
  gclient setdep -r src/third_party/webrtc@79e9f4b9c128

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

Change-Id: I2c47a1c8bbc975e1f9ca06aeeccebe81de4f0d1b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1565637Reviewed-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@{#650618}

DEPS

@@ -1354,7 +1354,7 @@ deps = {
     Var('chromium_git') + '/external/khronosgroup/webgl.git' + '@' + '3f6583d3fee4ab71866ade794504a20eb6f63f88',
 
   'src/third_party/webrtc':
-    Var('webrtc_git') + '/src.git' + '@' + '3af5c4c3547b7da427b0cc87b0cdc0d56de37bcd',
+    Var('webrtc_git') + '/src.git' + '@' + '79e9f4b9c128963eef2c7031dd9311f86fca5535',
 
   'src/third_party/xdg-utils': {
       'url': Var('chromium_git') + '/chromium/deps/xdg-utils.git' + '@' + 'd80274d5869b17b8c9067a1022e4416ee7ed5e0d',