Add development Blink setting for impl-side rubber-banding

Add development Blink setting for impl-side rubber-banding

Add a flag to indicate if the compositor thread is performing the
Mac overscroll rubber-band bounce effect.

This is false by default and will be set to true by
--enable-threaded-event-handling-mac until developement is finished,
whereupon it will be true by default and removed.

BUG=133097
TBR=dglazkov

Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=185385

[ccameron, 2014-11-13 22:32:18]

ccameron@chromium.org changed reviewers:
+ esprehn@chromium.org

[ccameron, 2014-11-13 22:33:40]

ccameron@chromium.org changed reviewers:
+ eseidel@chromium.org
- esprehn@chromium.org

[ccameron, 2014-11-13 22:34:37]

(should have) no function changes.

[pdr., 2014-11-14 00:30:44]

On 2014/11/13 at 22:34:37, ccameron wrote:
> (should have) no function changes.

LGTM. Was a little tricky figuring out why you only needed one check in
RenderLayerCompositor. I assume the loading code in OverflowTheme will stay even
after this moves?

[ccameron, 2014-11-14 00:34:25]

Thanks!

On 2014/11/14 00:30:44, pdr wrote:
> On 2014/11/13 at 22:34:37, ccameron wrote:
> > (should have) no function changes.
> 
> LGTM. Was a little tricky figuring out why you only needed one check in
> RenderLayerCompositor. I assume the loading code in OverflowTheme will stay
even
> after this moves?

Yes, the new callers will be in the pinch virtual viewport.

[ccameron, 2014-11-14 00:36:01]

The CQ bit was checked by ccameron@chromium.org

[commit-bot: I haz the power, 2014-11-14 00:36:32]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/722353002/1

[commit-bot: I haz the power, 2014-11-14 00:40:46]

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

[commit-bot: I haz the power, 2014-11-14 00:40:47]

Try jobs failed on following builders:
  blink_presubmit on tryserver.blink
(http://build.chromium.org/p/tryserver.blink/builders/blink_presubmit/builds/1...)

[ccameron, 2014-11-14 00:42:17]

ccameron@chromium.org changed reviewers:
+ dglazkov@chromium.org

[ccameron, 2014-11-14 00:42:17]

Adding dglazkov for public/ OWNER

[ccameron, 2014-11-14 18:04:49]

On 2014/11/14 00:42:17, ccameron1 wrote:
> Adding dglazkov for public/ OWNER

TBRing public/ OWNER since this is a stamp. LMK if TBRing here is objectionable.

[ccameron, 2014-11-14 18:04:53]

The CQ bit was checked by ccameron@chromium.org

[commit-bot: I haz the power, 2014-11-14 18:06:09]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/722353002/1

[ccameron, 2014-11-14 18:13:58]

The CQ bit was unchecked by ccameron@chromium.org

[ccameron, 2014-11-14 18:16:55]

Patchset #2 (id:20001) has been deleted

[ccameron, 2014-11-14 18:21:39]

The CQ bit was checked by ccameron@chromium.org

[commit-bot: I haz the power, 2014-11-14 18:22:41]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/722353002/1

[commit-bot: I haz the power, 2014-11-14 18:51:07]

Committed patchset #1 (id:1) as 185385