Android: Use mailbox for hw video texture copy

Android: Use mailbox for hw video texture copy

This makes it compatible when the video hw texture and
destination texture are in different share groups.

BUG=127940
NOTRY=True

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=257930

[no sievers, 2014-03-19 00:23:42]

Much simpler version of what I had previously sent out last week.

[no sievers, 2014-03-19 00:32:36]

On 2014/03/19 00:23:42, sievers wrote:
> Much simpler version of what I had previously sent out last week.

Although this doesn't work for WebView and canvas. For that I'll have to do the
copy from the source context that the stream texture was created in.
But it unblocks the patch to take WebGL out of the share group.

[piman, 2014-03-19 00:47:25]

lgtm

[no sievers, 2014-03-19 00:51:29]

The CQ bit was checked by sievers@chromium.org

[commit-bot: I haz the power, 2014-03-19 00:52:04]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/sievers@chromium.org/198923007/1

[commit-bot: I haz the power, 2014-03-19 02:45:59]

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

[commit-bot: I haz the power, 2014-03-19 02:45:59]

Try jobs failed on following builders:
  tryserver.chromium on linux_chromium_chromeos_rel

[no sievers, 2014-03-19 03:02:10]

The CQ bit was checked by sievers@chromium.org

[commit-bot: I haz the power, 2014-03-19 03:02:56]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/sievers@chromium.org/198923007/1

[dshwang, 2014-03-19 06:16:21]

non-owner lgtm :)

[commit-bot: I haz the power, 2014-03-19 11:31:59]

Change committed as 257930