Fix a problem that video does not show up in AW Shell.

Fix a problem that video does not show up in AW Shell.

AW Shell shows a white screen when we play a video. It only plays sound.
This patch implements onShowCustomView() and onHideCustomView() of AwContentsClient to fix it up.

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=261402

[Sungmann Cho, 2014-04-03 08:36:51]

Please take a look. Thanks.

[benm (inactive), 2014-04-03 10:30:21]

lgtm

thanks for the patch!

[Sungmann Cho, 2014-04-03 10:42:38]

The CQ bit was checked by sungmann.cho@navercorp.com

[commit-bot: I haz the power, 2014-04-03 10:43:00]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/sungmann.cho@navercorp.com/223253005/1

[commit-bot: I haz the power, 2014-04-03 14:59:17]

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

[commit-bot: I haz the power, 2014-04-03 14:59:17]

Commit queue rejected this change because the description was changed
between the time the change entered the commit queue and the time it
was ready to commit. You can safely check the commit box again.

[Sungmann Cho, 2014-04-03 15:05:18]

The CQ bit was checked by sungmann.cho@navercorp.com

[commit-bot: I haz the power, 2014-04-03 15:05:44]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/sungmann.cho@navercorp.com/223253005/1

[commit-bot: I haz the power, 2014-04-03 15:09:36]

Change committed as 261402