Plumb maxTouchPoints for AuraX11

Plumb maxTouchPoints for AuraX11

Aura implementation for
navigator.maxTouchPoints defined in the W3C Pointer Events
standard draft:
http://www.w3.org/TR/pointerevents/#widl-Navigator-maxTouchPoints

BUG=312926
TEST=navigator.maxTouchPoints shows 16 on Pixel.

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=235528

[Yufeng Shen (Slow to review), 2013-11-15 19:41:38]

Ping. 

Sadrul: mind giving a quick look ? it's a pretty simple change.

[sadrul, 2013-11-15 19:48:52]

LGTM. Sorry about the delay.

https://codereview.chromium.org/59903023/diff/1/ui/events/x/touch_factory_x11.h
File ui/events/x/touch_factory_x11.h (right):

https://codereview.chromium.org/59903023/diff/1/ui/events/x/touch_factory_x11...
ui/events/x/touch_factory_x11.h:76: int MaxTouchPoints();
GetMaxTouchPoints() const

[Yufeng Shen (Slow to review), 2013-11-15 19:57:56]

https://codereview.chromium.org/59903023/diff/1/ui/events/x/touch_factory_x11.h
File ui/events/x/touch_factory_x11.h (right):

https://codereview.chromium.org/59903023/diff/1/ui/events/x/touch_factory_x11...
ui/events/x/touch_factory_x11.h:76: int MaxTouchPoints();
On 2013/11/15 19:48:53, sadrul wrote:
> GetMaxTouchPoints() const

Done.

[commit-bot: I haz the power, 2013-11-15 20:05:40]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/miletus@chromium.org/59903023/70001

[commit-bot: I haz the power, 2013-11-15 21:51:48]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/miletus@chromium.org/59903023/70001

[Rick Byers, 2013-11-15 22:18:05]

On 2013/11/15 21:51:48, I haz the power (commit-bot) wrote:
> CQ is trying da patch. Follow status at
> https://chromium-status.appspot.com/cq/miletus%40chromium.org/59903023/70001

Note that we still need a dummy implementation for ozone as well (see the bug -
https://code.google.com/p/chromium/issues/detail?id=312926).  That can come in a
separate CL though.

[commit-bot: I haz the power, 2013-11-16 00:19:46]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/miletus@chromium.org/59903023/70001

[commit-bot: I haz the power, 2013-11-17 16:03:21]

Change committed as 235528