Roll chromium_revision 3cd4e5505f..b4a2bcaef4 (436604:437198)

Roll chromium_revision 3cd4e5505f..b4a2bcaef4 (436604:437198)

Change log: https://chromium.googlesource.com/chromium/src/+log/3cd4e5505f..b4a2bcaef4
Full diff: https://chromium.googlesource.com/chromium/src/+/3cd4e5505f..b4a2bcaef4

Changed dependencies:
* src/buildtools: https://chromium.googlesource.com/chromium/buildtools.git/+log/64e38f0ceb..55ad626b08
* src/third_party/catapult: https://chromium.googlesource.com/external/github.com/catapult-project/catapult.git/+log/6f82f49c5a..11d3d44fb9
* src/third_party/ffmpeg: https://chromium.googlesource.com/chromium/third_party/ffmpeg.git/+log/16cdcb08bb..26be2ced90
DEPS diff: https://chromium.googlesource.com/chromium/src/+/3cd4e5505f..b4a2bcaef4/DEPS

No update to Clang.

TBR=
BUG=None

[buildbot, 2016-12-08 06:50:02]

The CQ bit was checked by buildbot@webrtc.org

[commit-bot: I haz the power, 2016-12-08 06:50:05]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.webrtc.org/...

[commit-bot: I haz the power, 2016-12-08 06:56:55]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-12-08 06:56:56]

Try jobs failed on following builders:
  linux_rel on master.tryserver.webrtc (JOB_FAILED,
http://build.chromium.org/p/tryserver.webrtc/builders/linux_rel/builds/21121)