Update V8 to version 6.0.11.

Update V8 to version 6.0.11.

Summary of changes available at:
https://chromium.googlesource.com/v8/v8/+log/4cba4013..1ccafd8e

Please follow these instructions for assigning/CC'ing issues:
https://github.com/v8/v8/wiki/Triaging%20issues

Please close rolling in case of a roll revert:
https://v8-roll.appspot.com/
This only works with a Google account.

CQ_INCLUDE_TRYBOTS=master.tryserver.blink:linux_trusty_blink_rel;master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel;master.tryserver.chromium.android:android_optional_gpu_tests_rel

TBR=hablich@chromium.org,machenbach@chromium.org,kozyatinskiy@chromium.org,vogelheim@chromium.org

[v8-autoroll, 2017-04-18 08:01:56]

The CQ bit was checked by v8-autoroll@chromium.org

[commit-bot: I haz the power, 2017-04-18 08:02:10]

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

[commit-bot: I haz the power, 2017-04-18 08:59:02]

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

[commit-bot: I haz the power, 2017-04-18 08:59:03]

Try jobs failed on following builders:
  linux_chromium_chromeos_rel_ng on master.tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)

[v8-autoroll, 2017-04-18 09:00:10]

The CQ bit was checked by v8-autoroll@chromium.org

[commit-bot: I haz the power, 2017-04-18 09:00:27]

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

[commit-bot: I haz the power, 2017-04-18 09:58:43]

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

[commit-bot: I haz the power, 2017-04-18 09:58:44]

Try jobs failed on following builders:
  win_chromium_x64_rel_ng on master.tryserver.chromium.win (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.win/builders/win_chromium_x64_...)

[v8-autoroll, 2017-04-18 10:00:11]

The CQ bit was checked by v8-autoroll@chromium.org

[commit-bot: I haz the power, 2017-04-18 10:00:25]

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

[Michael Achenbach, 2017-04-18 10:15:43]

Looks like a real error

[Michael Achenbach, 2017-04-18 10:17:25]

Reverting https://codereview.chromium.org/2816043006