Temporarily disable WebView fullscreen video tests until we land fullscreen IPC changes

Temporarily disable WebView fullscreen video tests until we land fullscreen IPC changes

there are 2 changes needs to be submitted before we reenable the tests:
1. https://codereview.chromium.org/290643005/ and
2. https://codereview.chromium.org/292573004/

the blink change will break all the tests, so we need to reenable the tests after the chromium change lands

BUG=367346
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=281165

[qinmin, 2014-07-02 21:44:06]

PTAL

[boliu, 2014-07-02 21:46:14]

+igsolla fyi

lgtm

[qinmin, 2014-07-02 22:01:00]

The CQ bit was checked by qinmin@chromium.org

[commit-bot: I haz the power, 2014-07-02 22:01:52]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/qinmin@chromium.org/364043002/1

[commit-bot: I haz the power, 2014-07-03 03:48:33]

Change committed as 281165

[qinmin, 2014-07-09 16:34:10]

A revert of this CL has been created in
https://codereview.chromium.org/383433002/ by qinmin@chromium.org.

The reason for reverting is: revert this as all related CLs are submitted.