Fix inspector layout tests to deal send tab via event sender.

Fix inspector layout tests to deal send tab via event sender.

Since the default action won't be executed inject the tab key down
via the event sender.

BUG=520519
Committed: https://crrev.com/8f3b1e5fecb46a0653ddbdc1009afcd528bc24c3
Cr-Commit-Position: refs/heads/master@{#401011}

[dtapuska, 2016-06-20 21:40:07]

dtapuska@chromium.org changed reviewers:
+ rbyers@chromium.org

[dtapuska, 2016-06-20 21:40:07]

Please review.

[Rick Byers, 2016-06-21 15:18:04]

LGTM

[dtapuska, 2016-06-21 15:19:54]

The CQ bit was checked by dtapuska@chromium.org

[commit-bot: I haz the power, 2016-06-21 15:20:25]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2080963002/1

[commit-bot: I haz the power, 2016-06-21 16:34:25]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-06-21 16:42:46]

Description was changed from

==========
Fix inspector layout tests to deal send tab via event sender.

Since the default action won't be executed inject the tab key down
via the event sender.

BUG=520519
==========

to

==========
Fix inspector layout tests to deal send tab via event sender.

Since the default action won't be executed inject the tab key down
via the event sender.

BUG=520519

Committed: https://crrev.com/8f3b1e5fecb46a0653ddbdc1009afcd528bc24c3
Cr-Commit-Position: refs/heads/master@{#401011}
==========

[commit-bot: I haz the power, 2016-06-21 16:42:48]

Patchset 1 (id:??) landed as
https://crrev.com/8f3b1e5fecb46a0653ddbdc1009afcd528bc24c3
Cr-Commit-Position: refs/heads/master@{#401011}