Roll src/third_party/webrtc 9eb38866cd65..8643b78750bb (6 commits)

https://webrtc.googlesource.com/src.git/+log/9eb38866cd65..8643b78750bb


git log 9eb38866cd65..8643b78750bb --date=short --no-merges --format='%ad %ae %s'
2018-06-15 ilnik@webrtc.org Moved NackModule and VCMPacket to their own targets
2018-06-15 kwiberg@webrtc.org Remove support for old test modes in EncodeDecodeTest
2018-06-15 kwiberg@webrtc.org Remove dead RED code in TestRedFec
2018-06-15 kwiberg@webrtc.org Remove executable insert_packet_with_timing
2018-06-14 titovartem@webrtc.org Revert "Drop tools/gyp from dependencies."
2018-06-14 zhihuang@webrtc.org Use RTC_HISTOGRAM_ENUMERATION to report SRTP/SRTCP unprotect error.


Created with:
  gclient setdep -r src/third_party/webrtc@8643b78750bb

The AutoRoll server is located here: https://webrtc-chromium-roll.skia.org

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=master.tryserver.chromium.linux:linux_chromium_archive_rel_ng;master.tryserver.chromium.mac:mac_chromium_archive_rel_ng

// All bots passed except for a bot that is purple (unrelated to changes).
NOTRY=True

BUG=chromium:b/110121202
TBR=webrtc-chromium-sheriffs-robots@google.com

Change-Id: I33ad7e85945fd9c2bbeca37c2e94a9557ee77fd0
Reviewed-on: https://chromium-review.googlesource.com/1101734Reviewed-by: Henrik Boström <hbos@chromium.org>
Reviewed-by: webrtc-chromium-autoroll <webrtc-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Commit-Queue: Henrik Boström <hbos@chromium.org>
Cr-Commit-Position: refs/heads/master@{#567607}

DEPS

@@ -1010,7 +1010,7 @@ deps = {
     Var('chromium_git') + '/external/khronosgroup/webgl.git' + '@' + '5e83981c2c44f24109b96b555d6865d481e0c609',
 
   'src/third_party/webrtc':
-    Var('webrtc_git') + '/src.git' + '@' + '9eb38866cd65bd19a7ee89fdb99d3a1c2d7a1e4f',
+    Var('webrtc_git') + '/src.git' + '@' + '8643b78750bbd2a59482b9f36bccec91d2ed9238',
 
   'src/third_party/xdg-utils': {
       'url': Var('chromium_git') + '/chromium/deps/xdg-utils.git' + '@' + 'd80274d5869b17b8c9067a1022e4416ee7ed5e0d',