MediaGalleriesGalleryWatchApiTest: Enable tests that were disabled.

MediaGalleriesGalleryWatchApiTest: Enable tests that were disabled.

They should no longer be flaky/crashing because the underlying watch manager is
new, shiny, and more stable.

BUG=390979
Committed: https://crrev.com/51dad2069bee06c255bdb00d1f7e2be905e0a7db
Cr-Commit-Position: refs/heads/master@{#292995}

[Oren Blasberg, 2014-09-02 17:24:21]

orenb@chromium.org changed reviewers:
+ thestig@chromium.org

[Lei Zhang, 2014-09-02 18:56:53]

lgtm

https://codereview.chromium.org/530703003/diff/1/chrome/browser/extensions/ap...
File
chrome/browser/extensions/api/media_galleries/media_galleries_watch_apitest.cc
(right):

https://codereview.chromium.org/530703003/diff/1/chrome/browser/extensions/ap...
chrome/browser/extensions/api/media_galleries/media_galleries_watch_apitest.cc:196:
BasicGalleryWatch) {
fits on prev line

[Oren Blasberg, 2014-09-02 19:04:11]

https://codereview.chromium.org/530703003/diff/1/chrome/browser/extensions/ap...
File
chrome/browser/extensions/api/media_galleries/media_galleries_watch_apitest.cc
(right):

https://codereview.chromium.org/530703003/diff/1/chrome/browser/extensions/ap...
chrome/browser/extensions/api/media_galleries/media_galleries_watch_apitest.cc:196:
BasicGalleryWatch) {
On 2014/09/02 18:56:53, Lei Zhang wrote:
> fits on prev line

Done.

[Oren Blasberg, 2014-09-02 19:04:17]

The CQ bit was checked by orenb@chromium.org

[commit-bot: I haz the power, 2014-09-02 19:05:06]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/orenb@chromium.org/530703003/20001

[commit-bot: I haz the power, 2014-09-02 20:01:21]

FYI, CQ is re-trying this CL (attempt #1).
The failing builders are:
  mac_chromium_rel_swarming on tryserver.chromium.mac
(http://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_rel_...)

[commit-bot: I haz the power, 2014-09-02 20:52:54]

Committed patchset #2 (id:20001) as 8edb653e155be5a28bfa0b71f57e78a9c7d65aad

[commit-bot: I haz the power, 2014-09-10 03:20:42]

Patchset 2 (id:??) landed as
https://crrev.com/51dad2069bee06c255bdb00d1f7e2be905e0a7db
Cr-Commit-Position: refs/heads/master@{#292995}