Add flag to beginRecording to request saveLayer information

Add flag to beginRecording to request saveLayer information

The saveLayer acceleration data is required for layer
hoisting and shouldn't impact recording time. This patch
makes Chromium request the data be collected for those
picture likely to be GPU rasterized.

BUG=383085
Committed: https://crrev.com/5980d991c03cf7d60bc89f7046c87d984988c3cb
Cr-Commit-Position: refs/heads/master@{#304602}

[robertphillips, 2014-11-13 16:43:42]

robertphillips@google.com changed reviewers:
+ enne@chromium.org

[robertphillips, 2014-11-17 20:03:36]

Patchset #2 (id:20001) has been deleted

[enne (OOO), 2014-11-17 20:47:19]

lgtm

Can you please format your patch description to wrap at 72 columns?

[robertphillips, 2014-11-18 13:49:53]

On 2014/11/17 20:47:19, enne wrote:
> lgtm
> 
> Can you please format your patch description to wrap at 72 columns?

Done.

[robertphillips, 2014-11-18 13:51:46]

The CQ bit was checked by robertphillips@google.com

[commit-bot: I haz the power, 2014-11-18 13:52:13]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/721883002/40001

[commit-bot: I haz the power, 2014-11-18 14:48:54]

Committed patchset #2 (id:40001)

[commit-bot: I haz the power, 2014-11-18 14:49:48]

Patchset 2 (id:??) landed as
https://crrev.com/5980d991c03cf7d60bc89f7046c87d984988c3cb
Cr-Commit-Position: refs/heads/master@{#304602}