Compare the sizes of current & previous frames before each capture.

Compare the sizes of current & previous frames before each capture.

This ensures that the capturer will never try to preserve pixels from a
preceding frame of a different size, in the case where the display has been
resized but we have not yet received the resize notification.

BUG=156201
Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=162484

[Wez, 2012-10-17 00:08:36]

PTAL

[Jamie, 2012-10-17 00:47:05]

lgtm

[commit-bot: I haz the power, 2012-10-17 00:50:30]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/wez@chromium.org/11196012/1

[commit-bot: I haz the power, 2012-10-17 11:21:40]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/wez@chromium.org/11196012/1

[commit-bot: I haz the power, 2012-10-17 11:24:27]

Step "update" is always a major failure.
Look at the try server FAQ for more details.

[commit-bot: I haz the power, 2012-10-17 17:25:00]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/wez@chromium.org/11196012/14002

[commit-bot: I haz the power, 2012-10-17 19:26:45]

Change committed as 162484