Fixed Back/Forward buttons to not hide ink drop when long press shows drop down menu.

Fixed Back/Forward buttons to not hide ink drop when long press shows drop down menu.

Some CustomButtons should hide the ink drop when showing the context
menu (i.e. Bookmark menu buttons) and some should not (i.e. the Back/
Forward toolbar buttons).

BUG=602754
TEST=CustomButton.HideInkDropWhenShowingContextMenu
TEST=CustomButton.DontHideInkDropWhenShowingContextMenu

Review URL: https://codereview.chromium.org/1920783003

Cr-Commit-Position: refs/heads/master@{#389629}
(cherry picked from commit b1068403be34a565e8be1aafe2fc7a2f0ba3f3eb)

Committed: https://chromium.googlesource.com/chromium/src/+/f71636d278a0eaa4ed6818075b8ad3a05c204e12

[bruthig, 2016-04-28 15:22:28]

Description was changed from

==========
Fixed Back/Forward buttons to not hide ink drop when long press shows drop down
menu.

Some CustomButtons should hide the ink drop when showing the context
menu (i.e. Bookmark menu buttons) and some should not (i.e. the Back/
Forward toolbar buttons).

BUG=602754

TEST=CustomButton.HideInkDropWhenShowingContextMenu
TEST=CustomButton.DontHideInkDropWhenShowingContextMenu

Review URL: https://codereview.chromium.org/1920783003

Cr-Commit-Position: refs/heads/master@{#389629}
(cherry picked from commit b1068403be34a565e8be1aafe2fc7a2f0ba3f3eb)
==========

to

==========
Fixed Back/Forward buttons to not hide ink drop when long press shows drop down
menu.

Some CustomButtons should hide the ink drop when showing the context
menu (i.e. Bookmark menu buttons) and some should not (i.e. the Back/
Forward toolbar buttons).

BUG=602754

TEST=CustomButton.HideInkDropWhenShowingContextMenu
TEST=CustomButton.DontHideInkDropWhenShowingContextMenu

Review URL: https://codereview.chromium.org/1920783003

Cr-Commit-Position: refs/heads/master@{#389629}
(cherry picked from commit b1068403be34a565e8be1aafe2fc7a2f0ba3f3eb)

Committed:
https://chromium.googlesource.com/chromium/src/+/f71636d278a0eaa4ed6818075b8a...
==========

[bruthig, 2016-04-28 15:22:29]

Committed patchset #2 (id:20001) manually as
f71636d278a0eaa4ed6818075b8ad3a05c204e12.