Fix for Immersive Fullscreen Animation Issue

Ensure that when we are entering Immersive Fullscreen, the fullscreen
window redraws the new layout before the screen fades back in

BUG=531999, 527395
Committed: https://crrev.com/04e94f95b4480d16c83553a60069cf592ffe6bd8
Cr-Commit-Position: refs/heads/master@{#355932}

[spqchan, 2015-10-23 20:03:27]

Description was changed from

==========
Ensure that the fullscreen window redraws the layout before the end of the
fade in animation

BUG=531999, 527395
==========

to

==========
Ensure that when we are entering Immersive Fullscreen, the fullscreen 
window redraws the new layout before the screen fades back in

BUG=531999, 527395
==========

[spqchan, 2015-10-23 20:03:27]

spqchan@chromium.org changed reviewers:
+ rsesek@chromium.org

[spqchan, 2015-10-23 20:03:47]

PTAL

[Robert Sesek, 2015-10-23 22:04:14]

LGTM

[spqchan, 2015-10-23 23:24:19]

The CQ bit was checked by spqchan@chromium.org

[commit-bot: I haz the power, 2015-10-23 23:24:43]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1418023005/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1418023005/20001

[commit-bot: I haz the power, 2015-10-23 23:58:10]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-10-23 23:59:04]

Patchset 2 (id:??) landed as
https://crrev.com/04e94f95b4480d16c83553a60069cf592ffe6bd8
Cr-Commit-Position: refs/heads/master@{#355932}