Merge "INPUT element: Do not dispatch events in detachLayoutTree()." to M55 branch.

Merge "INPUT element: Do not dispatch events in detachLayoutTree()." to M55 branch.

When a color chooser is closed, we dispatches a 'change' event asynchronously.
Some tests need to be updated due to this behavior change.

BUG=658535
Review-Url: https://codereview.chromium.org/2447653002
Cr-Commit-Position: refs/heads/master@{#427286}
(cherry picked from commit fbe37c7239e4a6e75f12c0d35e60987a6aa75ee0)

Committed: https://chromium.googlesource.com/chromium/src/+/84a1c644124f7803e63efbde9aed259016cd2c19

[tkent, 2016-10-28 00:52:28]

Description was changed from

==========
Merge "INPUT element: Do not dispatch events in detachLayoutTree()." to M55
branch.

When a color chooser is closed, we dispatches a 'change' event asynchronously.
Some tests need to be updated due to this behavior change.

BUG=658535

Review-Url: https://codereview.chromium.org/2447653002
Cr-Commit-Position: refs/heads/master@{#427286}
(cherry picked from commit fbe37c7239e4a6e75f12c0d35e60987a6aa75ee0)
==========

to

==========
Merge "INPUT element: Do not dispatch events in detachLayoutTree()." to M55
branch.

When a color chooser is closed, we dispatches a 'change' event asynchronously.
Some tests need to be updated due to this behavior change.

BUG=658535

Review-Url: https://codereview.chromium.org/2447653002
Cr-Commit-Position: refs/heads/master@{#427286}
(cherry picked from commit fbe37c7239e4a6e75f12c0d35e60987a6aa75ee0)

Committed:
https://chromium.googlesource.com/chromium/src/+/84a1c644124f7803e63efbde9aed...
==========

[tkent, 2016-10-28 00:52:29]

Committed patchset #1 (id:1) manually as
84a1c644124f7803e63efbde9aed259016cd2c19 (tree was closed).