Contenteditable w/ "-webkit-user-select:all" should be editable.

Contenteditable w/ "-webkit-user-select:all" should be editable.

<div id ="div" style="-webkit-user-select:all"  contenteditable="true"></div>
 should be editable.
In this CL, we ignore "-webkit-user-select:all" if element has
 |contenteditable="true| in
 Node::hasEditableStyle and  expandSelection by user click.

BUG=618920
TEST=editing/selection/user-select/user-select-all-contenteditable.html, mouse/click-
user-select-all-textarea.html, user-select/user-select-all-contenteditable.html

Review-Url: https://codereview.chromium.org/2120913002
Cr-Commit-Position: refs/heads/master@{#405440}
(cherry picked from commit d607a605c05ae726b55aa3a28b32c94a2ab597ff)

Committed: https://chromium.googlesource.com/chromium/src/+/504692a84da84f81aa9ad585d23f41c73990d8de

[yoichio, 2016-07-19 06:17:35]

Description was changed from

==========
Contenteditable w/ "-webkit-user-select:all" should be editable.

<div id ="div" style="-webkit-user-select:all"  contenteditable="true"></div>
 should be editable.
In this CL, we ignore "-webkit-user-select:all" if element has
 |contenteditable="true| in
 Node::hasEditableStyle and  expandSelection by user click.

BUG=618920
TEST=editing/selection/user-select/user-select-all-contenteditable.html,
mouse/click-
user-select-all-textarea.html, user-select/user-select-all-contenteditable.html

Review-Url: https://codereview.chromium.org/2120913002
Cr-Commit-Position: refs/heads/master@{#405440}
(cherry picked from commit d607a605c05ae726b55aa3a28b32c94a2ab597ff)
==========

to

==========
Contenteditable w/ "-webkit-user-select:all" should be editable.

<div id ="div" style="-webkit-user-select:all"  contenteditable="true"></div>
 should be editable.
In this CL, we ignore "-webkit-user-select:all" if element has
 |contenteditable="true| in
 Node::hasEditableStyle and  expandSelection by user click.

BUG=618920
TEST=editing/selection/user-select/user-select-all-contenteditable.html,
mouse/click-
user-select-all-textarea.html, user-select/user-select-all-contenteditable.html

Review-Url: https://codereview.chromium.org/2120913002
Cr-Commit-Position: refs/heads/master@{#405440}
(cherry picked from commit d607a605c05ae726b55aa3a28b32c94a2ab597ff)

Committed:
https://chromium.googlesource.com/chromium/src/+/504692a84da84f81aa9ad585d23f...
==========

[yoichio, 2016-07-19 06:17:38]

Committed patchset #1 (id:1) manually as
504692a84da84f81aa9ad585d23f41c73990d8de.