Fix notification button background size

Fix notification button background size

In CL2243563002, a new variable |margin_| was introduced to TrayBackgroundView
to adjust the size of notification button background; however, this adjustment
is later cancelled by re-setting border to NULL. As a result, the background
is incorrect as shelf alignment changes.

BUG=637882
Review-Url: https://codereview.chromium.org/2247893002
Cr-Commit-Position: refs/heads/master@{#412060}
(cherry picked from commit e311188e565ea85ccc4ad8f0aeee03eab488bb23)

Committed: https://chromium.googlesource.com/chromium/src/+/9c1257266665f6b80473a17347edfda7fd7f57f9

[yoshiki, 2016-08-18 01:10:56]

Description was changed from

==========
.

BUG=
==========

to

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Fix notification button background size

In CL2243563002, a new variable |margin_| was introduced to TrayBackgroundView
to adjust the size of notification button background; however, this adjustment
is later cancelled by re-setting border to NULL. As a result, the background
is incorrect as shelf alignment changes.

BUG=637882

Review-Url: https://codereview.chromium.org/2247893002
Cr-Commit-Position: refs/heads/master@{#412060}
(cherry picked from commit e311188e565ea85ccc4ad8f0aeee03eab488bb23)
==========

[yoshiki, 2016-08-18 01:15:23]

Description was changed from

==========
Fix notification button background size

In CL2243563002, a new variable |margin_| was introduced to TrayBackgroundView
to adjust the size of notification button background; however, this adjustment
is later cancelled by re-setting border to NULL. As a result, the background
is incorrect as shelf alignment changes.

BUG=637882

Review-Url: https://codereview.chromium.org/2247893002
Cr-Commit-Position: refs/heads/master@{#412060}
(cherry picked from commit e311188e565ea85ccc4ad8f0aeee03eab488bb23)
==========

to

==========
Fix notification button background size

In CL2243563002, a new variable |margin_| was introduced to TrayBackgroundView
to adjust the size of notification button background; however, this adjustment
is later cancelled by re-setting border to NULL. As a result, the background
is incorrect as shelf alignment changes.

BUG=637882

Review-Url: https://codereview.chromium.org/2247893002
Cr-Commit-Position: refs/heads/master@{#412060}
(cherry picked from commit e311188e565ea85ccc4ad8f0aeee03eab488bb23)

Committed:
https://chromium.googlesource.com/chromium/src/+/9c1257266665f6b80473a17347ed...
==========

[yoshiki, 2016-08-18 01:15:25]

Committed patchset #1 (id:1) manually as
9c1257266665f6b80473a17347edfda7fd7f57f9.