Remove non-standard document.createEvent('WebKitTransitionEvent').

Remove non-standard document.createEvent('WebKitTransitionEvent').

Intent-to-remove:
https://groups.google.com/a/chromium.org/forum/#!topic/blink-dev/mMJ5vh7AVyk

BUG=711600
Review-Url: https://codereview.chromium.org/2822083002
Cr-Commit-Position: refs/heads/master@{#465200}
Committed: https://chromium.googlesource.com/chromium/src/+/369971e3d61d982bc9ed4fced600ebc13f2c7d65

[tkent, 2017-04-18 04:44:35]

The CQ bit was checked by tkent@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2017-04-18 04:44:54]

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

[tkent, 2017-04-18 06:19:25]

The CQ bit was checked by tkent@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2017-04-18 06:19:45]

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

[tkent, 2017-04-18 07:23:10]

tkent@chromium.org changed reviewers:
+ foolip@chromium.org, haraken@chromium.org

[tkent, 2017-04-18 07:23:11]

foolip@ would you review this please?
haraken@, would you stamp histograms.xml please?

[haraken, 2017-04-18 07:25:03]

histograms LGTM

[foolip, 2017-04-18 07:55:08]

lgtm

[commit-bot: I haz the power, 2017-04-18 08:24:26]

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

[commit-bot: I haz the power, 2017-04-18 08:24:26]

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

[tkent, 2017-04-18 08:28:37]

The CQ bit was checked by tkent@chromium.org

[commit-bot: I haz the power, 2017-04-18 08:28:54]

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 10:44:35]

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

[commit-bot: I haz the power, 2017-04-18 10:44:36]

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

[tkent, 2017-04-18 10:44:50]

The CQ bit was checked by tkent@chromium.org

[commit-bot: I haz the power, 2017-04-18 10:45:07]

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 11:40:08]

CQ is committing da patch.

Bot data: {"patchset_id": 20001, "attempt_start_ts": 1492512290827000,
"parent_rev": "6a10d876438a19c51bf3d73d7f4484255718a5a2", "commit_rev":
"369971e3d61d982bc9ed4fced600ebc13f2c7d65"}

[commit-bot: I haz the power, 2017-04-18 11:40:18]

Description was changed from

==========
Remove non-standard document.createEvent('WebKitTransitionEvent').

Intent-to-remove:
https://groups.google.com/a/chromium.org/forum/#!topic/blink-dev/mMJ5vh7AVyk

BUG=711600
==========

to

==========
Remove non-standard document.createEvent('WebKitTransitionEvent').

Intent-to-remove:
https://groups.google.com/a/chromium.org/forum/#!topic/blink-dev/mMJ5vh7AVyk

BUG=711600

Review-Url: https://codereview.chromium.org/2822083002
Cr-Commit-Position: refs/heads/master@{#465200}
Committed:
https://chromium.googlesource.com/chromium/src/+/369971e3d61d982bc9ed4fced600...
==========

[commit-bot: I haz the power, 2017-04-18 11:40:19]

Committed patchset #2 (id:20001) as
https://chromium.googlesource.com/chromium/src/+/369971e3d61d982bc9ed4fced600...