[Android] Avoid setting update_draw_properties.

[Android] Avoid setting update_draw_properties.

While setting up the scrollbar layer if the properties of the scrollbar
layer didn't change, then avoid setting update_draw_properties.
Scrollbar needs animation if any of the scrollbar properties changed.
In the same way set update_draw_properties if scrollbar properties
are changed.

Committed: https://crrev.com/7acc4b3e5a0815bd781eafc1c4d1d69163d61e60
Cr-Commit-Position: refs/heads/master@{#296193}

[MuVen, 2014-09-23 13:59:42]

sataya.m@samsung.com changed reviewers:
+ danakj@chromium.org

[MuVen, 2014-09-23 14:00:42]

PTAL.

[wjmaclean, 2014-09-23 14:30:12]

wjmaclean@chromium.org changed reviewers:
+ wjmaclean@chromium.org

[wjmaclean, 2014-09-23 14:30:13]

https://codereview.chromium.org/595913002/diff/1/cc/layers/layer_impl.cc
File cc/layers/layer_impl.cc (right):

https://codereview.chromium.org/595913002/diff/1/cc/layers/layer_impl.cc#newc...
cc/layers/layer_impl.cc:1300: // TODO(wjmaclean) The scrollbar animator for the
pinch-zoom scrollbars
nit: please reformat this comment

[danakj, 2014-09-23 14:38:39]

LGTM % wjmaclean

[MuVen, 2014-09-23 14:43:56]

On 2014/09/23 14:38:39, danakj wrote:
> LGTM % wjmaclean

PTAL.

[MuVen, 2014-09-23 14:44:09]

PTAL.

https://codereview.chromium.org/595913002/diff/1/cc/layers/layer_impl.cc
File cc/layers/layer_impl.cc (right):

https://codereview.chromium.org/595913002/diff/1/cc/layers/layer_impl.cc#newc...
cc/layers/layer_impl.cc:1300: // TODO(wjmaclean) The scrollbar animator for the
pinch-zoom scrollbars
On 2014/09/23 14:30:13, wjmaclean wrote:
> nit: please reformat this comment

Done.

[wjmaclean, 2014-09-23 14:46:30]

lgtm

[MuVen, 2014-09-23 14:46:49]

The CQ bit was checked by sataya.m@samsung.com

[commit-bot: I haz the power, 2014-09-23 14:48:11]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/595913002/20001

[commit-bot: I haz the power, 2014-09-23 15:37:27]

Committed patchset #2 (id:20001) as fbe6e79638a4cc0a967302f730335f3ce7b76e93

[commit-bot: I haz the power, 2014-09-23 15:38:05]

Patchset 2 (id:??) landed as
https://crrev.com/7acc4b3e5a0815bd781eafc1c4d1d69163d61e60
Cr-Commit-Position: refs/heads/master@{#296193}