Adds WmShell::IsTouchDown()

Adds WmShell::IsTouchDown()

Will be used by frame border hit test code.

BUG=634967
TEST=none
R=msw@chromium.org

Committed: https://crrev.com/9f5999a56e0def4513ca2818a1215fc17c926e8c
Cr-Commit-Position: refs/heads/master@{#410098}

[sky, 2016-08-05 16:58:57]

The CQ bit was checked by sky@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-08-05 16:59:11]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[msw, 2016-08-05 17:07:03]

It seems like the hit-testing codepath should get the event (or at least its
type) as an argument, instead of checking for some global state, but this is how
it's done for now, so lgtm.

[sky, 2016-08-05 17:07:44]

The CQ bit was unchecked by sky@chromium.org

[sky, 2016-08-05 17:07:48]

The CQ bit was checked by sky@chromium.org

[commit-bot: I haz the power, 2016-08-05 17:08:08]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-08-05 17:41:50]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-08-05 17:43:37]

Description was changed from

==========
Adds WmShell::IsTouchDown()

Will be used by frame border hit test code.

BUG=634967
TEST=none
R=msw@chromium.org
==========

to

==========
Adds WmShell::IsTouchDown()

Will be used by frame border hit test code.

BUG=634967
TEST=none
R=msw@chromium.org

Committed: https://crrev.com/9f5999a56e0def4513ca2818a1215fc17c926e8c
Cr-Commit-Position: refs/heads/master@{#410098}
==========

[commit-bot: I haz the power, 2016-08-05 17:43:38]

Patchset 1 (id:??) landed as
https://crrev.com/9f5999a56e0def4513ca2818a1215fc17c926e8c
Cr-Commit-Position: refs/heads/master@{#410098}