Add unit test for disabling deferred canvas rendering while hibernating

Add unit test for disabling deferred canvas rendering while hibernating

Crash was already inavertently fixed by
https://codereview.chromium.org/1520123002/
This change adds a test that would have caught the crash in the
first place.

BUG=568583
Committed: https://crrev.com/8386f2d54fd8f9f62047b6002d3c9743ab3bcfeb
Cr-Commit-Position: refs/heads/master@{#365326}

[Justin Novosad, 2015-12-15 18:34:08]

junov@chromium.org changed reviewers:
+ senorblanco@chromium.org

[Justin Novosad, 2015-12-15 18:34:09]

PTAL

[Stephen White, 2015-12-15 19:05:11]

LGTM

[Justin Novosad, 2015-12-15 19:09:16]

The CQ bit was checked by junov@chromium.org

[commit-bot: I haz the power, 2015-12-15 19:09:58]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1527023002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1527023002/1

[commit-bot: I haz the power, 2015-12-15 21:28:50]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-12-15 21:30:16]

Description was changed from

==========
Add unit test for disabling deferred canvas rendering while hibernating

Crash was already inavertently fixed by
https://codereview.chromium.org/1520123002/
This change adds a test that would have caught the crash in the
first place.

BUG=568583
==========

to

==========
Add unit test for disabling deferred canvas rendering while hibernating

Crash was already inavertently fixed by
https://codereview.chromium.org/1520123002/
This change adds a test that would have caught the crash in the
first place.

BUG=568583

Committed: https://crrev.com/8386f2d54fd8f9f62047b6002d3c9743ab3bcfeb
Cr-Commit-Position: refs/heads/master@{#365326}
==========

[commit-bot: I haz the power, 2015-12-15 21:30:17]

Patchset 1 (id:??) landed as
https://crrev.com/8386f2d54fd8f9f62047b6002d3c9743ab3bcfeb
Cr-Commit-Position: refs/heads/master@{#365326}