Added omnibox_border.png image.

Added omnibox_border.png image.

The single asset 'omnibox_border.png' will be used to render the omnibox
border instead of the 9 textfield_*.png images.

BUG=501355
NOTRY=true
NOPRESUBMIT=true

Committed: https://crrev.com/87b152ab26fe89118e7b49563adee8aa518371ae
Cr-Commit-Position: refs/heads/master@{#338304}

[bruthig, 2015-07-10 14:36:45]

bruthig@chromium.org changed reviewers:
+ oshima@chromium.org

[bruthig, 2015-07-10 14:36:46]

oshima@, can you PTAL?

FYI output from optimizing:

Optimize level=1
Optimizing png files in chrome/app/theme/
chrome/app/theme/default_100_percent/common/omnibox_border.png: 371 => 262 (109
bytes: 29%)
chrome/app/theme/default_200_percent/common/omnibox_border.png: 612 => 417 (195
bytes: 31%)

[oshima, 2015-07-10 16:25:01]

lgtm

[bruthig, 2015-07-10 16:44:20]

The CQ bit was checked by bruthig@chromium.org

[commit-bot: I haz the power, 2015-07-10 16:44:59]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1224233003/1

[commit-bot: I haz the power, 2015-07-10 16:46:01]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-07-10 16:46:49]

Patchset 1 (id:??) landed as
https://crrev.com/87b152ab26fe89118e7b49563adee8aa518371ae
Cr-Commit-Position: refs/heads/master@{#338304}