Merge "SELECT element: Commit a provisional OPTION selection on blur." to M56

Merge "SELECT element: Commit a provisional OPTION selection on blur." to M56

PopupMenuImpl::hide(), which is called on blur, should have same behavior as
PopupMenuImpl::closePopup(), which is called on canceling a popup.

Also, this CL removes hidePopup() call on 'disabled' attribute change because
enabling 'disabled' attribute will remove the focus, and move blur event handling
from menuListDefaultEventHandler() to dispatchBlurEvent() because
menuListDefaultEventHandler() isn't called if the element is disabled.

BUG=659585
Review-Url: https://codereview.chromium.org/2522383002
Cr-Commit-Position: refs/heads/master@{#434395}
(cherry picked from commit b9ec42c0abbf77c9228f0d97ce261fb16b356094)

Committed: https://chromium.googlesource.com/chromium/src/+/7a2028ca29260a9c87328c9f1b619cad93a2ef1a

[tkent, 2016-11-29 01:37:07]

Description was changed from

==========
Merge "SELECT element: Commit a provisional OPTION selection on blur." to M56

PopupMenuImpl::hide(), which is called on blur, should have same behavior as
PopupMenuImpl::closePopup(), which is called on canceling a popup.

Also, this CL removes hidePopup() call on 'disabled' attribute change because
enabling 'disabled' attribute will remove the focus, and move blur event
handling
from menuListDefaultEventHandler() to dispatchBlurEvent() because
menuListDefaultEventHandler() isn't called if the element is disabled.

BUG=659585

Review-Url: https://codereview.chromium.org/2522383002
Cr-Commit-Position: refs/heads/master@{#434395}
(cherry picked from commit b9ec42c0abbf77c9228f0d97ce261fb16b356094)
==========

to

==========
Merge "SELECT element: Commit a provisional OPTION selection on blur." to M56

PopupMenuImpl::hide(), which is called on blur, should have same behavior as
PopupMenuImpl::closePopup(), which is called on canceling a popup.

Also, this CL removes hidePopup() call on 'disabled' attribute change because
enabling 'disabled' attribute will remove the focus, and move blur event
handling
from menuListDefaultEventHandler() to dispatchBlurEvent() because
menuListDefaultEventHandler() isn't called if the element is disabled.

BUG=659585

Review-Url: https://codereview.chromium.org/2522383002
Cr-Commit-Position: refs/heads/master@{#434395}
(cherry picked from commit b9ec42c0abbf77c9228f0d97ce261fb16b356094)

Committed:
https://chromium.googlesource.com/chromium/src/+/7a2028ca29260a9c87328c9f1b61...
==========

[tkent, 2016-11-29 01:37:10]

Committed patchset #1 (id:1) manually as
7a2028ca29260a9c87328c9f1b619cad93a2ef1a.