Add WindowEventDispatcherTest.TouchDownState for Env::is_touch_down().

Add WindowEventDispatcherTest.TouchDownState for Env::is_touch_down().

BUG=none, follow-up of https://codereview.chromium.org/2854663002/.
TEST=aura_unittests

Review-Url: https://codereview.chromium.org/2858633005
Cr-Commit-Position: refs/heads/master@{#469023}
Committed: https://chromium.googlesource.com/chromium/src/+/6010ecd22cdaf85debc53c1b6e9baf4e585cd574

[riajiang, 2017-05-03 00:08:25]

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

[commit-bot: I haz the power, 2017-05-03 00:08:57]

Dry run: CQ is trying da patch.

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

[riajiang, 2017-05-03 00:09:15]

riajiang@chromium.org changed reviewers:
+ sadrul@chromium.org

[riajiang, 2017-05-03 00:09:15]

Hi sadrul@, could you take a look? Thanks!

[commit-bot: I haz the power, 2017-05-03 00:23:15]

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

[commit-bot: I haz the power, 2017-05-03 00:23:16]

Dry run: This issue passed the CQ dry run.

[sadrul, 2017-05-03 16:57:14]

lgtm thanks!

[riajiang, 2017-05-03 17:26:13]

The CQ bit was checked by riajiang@chromium.org

[commit-bot: I haz the power, 2017-05-03 17:26:50]

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, 2017-05-03 17:34:05]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1493832373588580, "parent_rev":
"c5eabbbc9b04b9c7dfa732675850b3d175014656", "commit_rev":
"6010ecd22cdaf85debc53c1b6e9baf4e585cd574"}

[commit-bot: I haz the power, 2017-05-03 17:34:13]

Description was changed from

==========
Add WindowEventDispatcherTest.TouchDownState for Env::is_touch_down().

BUG=none, follow-up of https://codereview.chromium.org/2854663002/.
TEST=aura_unittests
==========

to

==========
Add WindowEventDispatcherTest.TouchDownState for Env::is_touch_down().

BUG=none, follow-up of https://codereview.chromium.org/2854663002/.
TEST=aura_unittests

Review-Url: https://codereview.chromium.org/2858633005
Cr-Commit-Position: refs/heads/master@{#469023}
Committed:
https://chromium.googlesource.com/chromium/src/+/6010ecd22cdaf85debc53c1b6e9b...
==========

[commit-bot: I haz the power, 2017-05-03 17:34:14]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/6010ecd22cdaf85debc53c1b6e9b...