Remove acknowledge timeout for TouchEnd and TouchCancel events

Remove acknowledge timeout for TouchEnd and TouchCancel events

Waiting acknowledge for TouchEnd and TouchCancel shouldn't affect
responsiveness for scroll and pinch gestures. If we timeout TouchEnd
events, it can end up being processed by both user JavaScript and
gesture detector, causing double handling.

BUG=248090
R=tedchoc@chromium.org

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=208063

[trchen, 2013-06-21 02:31:59]

Hey Ted,
Could you take a look and do you know who should be added as a reviewer besides
the owner? Thanks!

[Xianzhu, 2013-06-21 16:54:53]

lgtm

[Ted C, 2013-06-21 17:45:22]

lgtm but Xianzhu's lgtm is better than mine :-)

[commit-bot: I haz the power, 2013-06-21 20:33:18]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/trchen@chromium.org/16963007/1

[commit-bot: I haz the power, 2013-06-22 02:33:15]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/trchen@chromium.org/16963007/1

[commit-bot: I haz the power, 2013-06-22 03:01:19]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/trchen@chromium.org/16963007/1

[commit-bot: I haz the power, 2013-06-22 03:30:57]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/trchen@chromium.org/16963007/1

[commit-bot: I haz the power, 2013-06-22 16:48:46]

Change committed as 208063