Roll chromium_revision 6f156f7..5a2ae99 (358880:359027)

Roll chromium_revision 6f156f7..5a2ae99 (358880:359027)

Change log: https://chromium.googlesource.com/chromium/src/+log/6f156f7..5a2ae99
Full diff: https://chromium.googlesource.com/chromium/src/+/6f156f7..5a2ae99

Changed dependencies:
* src/buildtools: https://chromium.googlesource.com/chromium/buildtools.git/+log/c2f2598..4a95614
* src/third_party/libyuv: https://chromium.googlesource.com/libyuv/libyuv.git/+log/98eb102..6100f50
DEPS diff: https://chromium.googlesource.com/chromium/src/+/6f156f7..5a2ae99/DEPS

No update to Clang.

TBR=
CQ_EXTRA_TRYBOTS=tryserver.webrtc:win_baremetal,mac_baremetal,linux_baremetal

Committed: https://crrev.com/e134a534cd3bbd71afc64ff19173222553ed7bf0
Cr-Commit-Position: refs/heads/master@{#10593}

[kjellander_webrtc, 2015-11-11 03:03:05]

The CQ bit was checked by kjellander@webrtc.org

[commit-bot: I haz the power, 2015-11-11 03:03:12]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1440483002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1440483002/1

[commit-bot: I haz the power, 2015-11-11 03:58:50]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-11-11 03:59:01]

Patchset 1 (id:??) landed as
https://crrev.com/e134a534cd3bbd71afc64ff19173222553ed7bf0
Cr-Commit-Position: refs/heads/master@{#10593}