Remove @color/appbar_background

Remove @color/appbar_background

appbar_background was previously used to provide a grey toolbar on
phones and a white toolbar on tablets for the downloads and bookmarks
UIs. The toolbar for these UIs is always gray now, so appbar_background
is no longer needed.

BUG=687640
Review-Url: https://codereview.chromium.org/2845373003
Cr-Commit-Position: refs/heads/master@{#468054}
Committed: https://chromium.googlesource.com/chromium/src/+/f86b28ba2b600f3bfce7f1190c1ca0d01a68b9f9

[Theresa, 2017-04-28 16:52:32]

The CQ bit was checked by twellington@chromium.org to run a CQ dry run

[Theresa, 2017-04-28 16:52:56]

twellington@chromium.org changed reviewers:
+ mdjones@chromium.org

[Theresa, 2017-04-28 16:52:56]

ptal

[commit-bot: I haz the power, 2017-04-28 16:53:10]

Dry run: CQ is trying da patch.

Follow status at:
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[mdjones, 2017-04-28 17:12:41]

lgtm

[commit-bot: I haz the power, 2017-04-28 17:38:43]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2017-04-28 17:38:43]

Dry run: This issue passed the CQ dry run.

[Theresa, 2017-04-28 17:47:57]

The CQ bit was checked by twellington@chromium.org

[commit-bot: I haz the power, 2017-04-28 17:48:32]

CQ is trying da patch.

Follow status at:
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-04-28 17:57:06]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1493401677091610, "parent_rev":
"96f45ecaf11f2c80b21a98b7fb9c9b9e0f2d8c70", "commit_rev":
"f86b28ba2b600f3bfce7f1190c1ca0d01a68b9f9"}

[commit-bot: I haz the power, 2017-04-28 17:57:20]

Description was changed from

==========
Remove @color/appbar_background

appbar_background was previously used to provide a grey toolbar on
phones and a white toolbar on tablets for the downloads and bookmarks
UIs. The toolbar for these UIs is always gray now, so appbar_background
is no longer needed.

BUG=687640
==========

to

==========
Remove @color/appbar_background

appbar_background was previously used to provide a grey toolbar on
phones and a white toolbar on tablets for the downloads and bookmarks
UIs. The toolbar for these UIs is always gray now, so appbar_background
is no longer needed.

BUG=687640

Review-Url: https://codereview.chromium.org/2845373003
Cr-Commit-Position: refs/heads/master@{#468054}
Committed:
https://chromium.googlesource.com/chromium/src/+/f86b28ba2b600f3bfce7f1190c1c...
==========

[commit-bot: I haz the power, 2017-04-28 17:57:21]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/f86b28ba2b600f3bfce7f1190c1c...