binding: Returns null if there is no valid event handler.

binding: Returns null if there is no valid event handler.

Simply makes DOM attributes for event handlers return null if there is
no event handler.

BUG=613671
Committed: https://crrev.com/f6c6da33a4f1a2125f393a525bbecee5a096add7
Cr-Commit-Position: refs/heads/master@{#408109}

[Yuki, 2016-07-26 14:09:12]

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

[Yuki, 2016-07-26 14:09:54]

yukishiino@chromium.org changed reviewers:
+ haraken@chromium.org

[Yuki, 2016-07-26 14:09:54]

Could you review this CL?

[haraken, 2016-07-26 14:32:57]

LGTM. Thanks for the quick fix!

[Yuki, 2016-07-27 05:42:51]

The CQ bit was checked by yukishiino@chromium.org

[commit-bot: I haz the power, 2016-07-27 05:43:06]

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, 2016-07-27 07:00:19]

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

[commit-bot: I haz the power, 2016-07-27 07:00:20]

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

[Yuki, 2016-07-27 07:58:20]

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

[commit-bot: I haz the power, 2016-07-27 07:58:40]

Dry run: 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, 2016-07-27 11:12:01]

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

[commit-bot: I haz the power, 2016-07-27 11:12:02]

Dry run: This issue passed the CQ dry run.

[Yuki, 2016-07-27 13:26:36]

The CQ bit was checked by yukishiino@chromium.org

[Yuki, 2016-07-27 13:26:37]

The patchset sent to the CQ was uploaded after l-g-t-m from haraken@chromium.org
Link to the patchset: https://codereview.chromium.org/2187503002/#ps20001
(title: "Updated the layout test expectation.")

[commit-bot: I haz the power, 2016-07-27 13:26:55]

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, 2016-07-27 13:30:24]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-07-27 13:31:56]

Description was changed from

==========
binding: Returns null if there is no valid event handler.

Simply makes DOM attributes for event handlers return null if there is
no event handler.

BUG=613671
==========

to

==========
binding: Returns null if there is no valid event handler.

Simply makes DOM attributes for event handlers return null if there is
no event handler.

BUG=613671

Committed: https://crrev.com/f6c6da33a4f1a2125f393a525bbecee5a096add7
Cr-Commit-Position: refs/heads/master@{#408109}
==========

[commit-bot: I haz the power, 2016-07-27 13:31:57]

Patchset 2 (id:??) landed as
https://crrev.com/f6c6da33a4f1a2125f393a525bbecee5a096add7
Cr-Commit-Position: refs/heads/master@{#408109}