Roll src/third_party/webrtc 28b6d1d238b8..dbb47b8f7685 (2 commits)

https://webrtc.googlesource.com/src.git/+log/28b6d1d238b8..dbb47b8f7685


git log 28b6d1d238b8..dbb47b8f7685 --date=short --no-merges --format='%ad %ae %s'
2018-10-17 chromium-webrtc-autoroll@webrtc-ci.iam.gserviceaccount.com Roll chromium_revision d06a979d..c5242283 (600199:600305)
2018-10-17 steveanton@webrtc.org Reland: Modernize rtc::SSLCertificate


Created with:
  gclient setdep -r src/third_party/webrtc@dbb47b8f7685

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

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

Change-Id: Ic299769db23cc5fb07d57d042554003d9b4517e8
Reviewed-on: https://chromium-review.googlesource.com/c/1286471Reviewed-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@{#600348}

DEPS

@@ -1119,7 +1119,7 @@ deps = {
     Var('chromium_git') + '/external/khronosgroup/webgl.git' + '@' + '6d2f3f4cb8bac1f7c4a945c73d07a33df74f22f9',
 
   'src/third_party/webrtc':
-    Var('webrtc_git') + '/src.git' + '@' + '28b6d1d238b8282c873eeeefb9d5dd6158a4f1ab',
+    Var('webrtc_git') + '/src.git' + '@' + 'dbb47b8f76855f51d39e01b81d5fe8e9b8dc6ab5',
 
   'src/third_party/xdg-utils': {
       'url': Var('chromium_git') + '/chromium/deps/xdg-utils.git' + '@' + 'd80274d5869b17b8c9067a1022e4416ee7ed5e0d',