Gallery: Remove the back button that is used to let users go back to Files.app.

Gallery: Remove the back button that is used to let users go back to Files.app.

The separated version of Gallery does not need the button.

BUG=358698
TEST=manually

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=270978

[hirono, 2014-05-16 05:53:35]

PTAL the CL? Thank you!

[yoshiki, 2014-05-16 06:09:29]

lgtm

[hirono, 2014-05-16 06:12:07]

On 2014/05/16 06:09:29, yoshiki wrote:
> lgtm

Thank you!

[hirono, 2014-05-16 06:12:08]

The CQ bit was checked by hirono@chromium.org

[commit-bot: I haz the power, 2014-05-16 06:12:27]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/hirono@chromium.org/291483006/1

[commit-bot: I haz the power, 2014-05-16 08:21:52]

FYI, CQ is re-trying this CL (attempt #1).
Please consider checking whether the failures are real,
and report flakes to chrome-troopers@google.com.
The failing builders are:
  android_dbg_triggered_tests on tryserver.chromium
(http://build.chromium.org/p/tryserver.chromium/builders/android_dbg_triggered...)

[commit-bot: I haz the power, 2014-05-16 08:25:17]

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

[commit-bot: I haz the power, 2014-05-16 08:25:17]

Try jobs failed on following builders:
  android_dbg_triggered_tests on tryserver.chromium
(http://build.chromium.org/p/tryserver.chromium/builders/android_dbg_triggered...)

[hirono, 2014-05-16 08:55:09]

The CQ bit was checked by hirono@chromium.org

[commit-bot: I haz the power, 2014-05-16 08:55:57]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/hirono@chromium.org/291483006/1

[commit-bot: I haz the power, 2014-05-16 10:21:10]

Change committed as 270978