[Chromedriver] Fix testAlertHandlingOnPageUnload.

[Chromedriver] Fix testAlertHandlingOnPageUnload.

Include a user interaction in order to trigger beforeunload dialog.

BUG=chromedriver:1803
Review-Url: https://codereview.chromium.org/2878703003
Cr-Commit-Position: refs/heads/master@{#471101}
Committed: https://chromium.googlesource.com/chromium/src/+/aeb307193b0209d0c5ed24263ba5c673b062e7c4

[gmanikpure, 2017-05-11 20:44:43]

gmanikpure@chromium.org changed reviewers:
+ johnchen@chromium.org, stgao@chromium.org

[gmanikpure, 2017-05-11 20:44:43]

Hi John,

Could you please take a look whenever time permits?

Thanks,
Gauri

[stgao, 2017-05-11 22:03:57]

lgtm

[gmanikpure, 2017-05-11 22:26:14]

The CQ bit was checked by gmanikpure@chromium.org

[commit-bot: I haz the power, 2017-05-11 22:27:31]

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, 2017-05-11 22:50:24]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1494541574213370, "parent_rev":
"f4097d86ffef927e2d617a07e4bee2ad9ec31cbc", "commit_rev":
"aeb307193b0209d0c5ed24263ba5c673b062e7c4"}

[commit-bot: I haz the power, 2017-05-11 22:50:34]

Description was changed from

==========
[Chromedriver] Fix testAlertHandlingOnPageUnload.

Include a user interaction in order to trigger beforeunload dialog.

BUG=chromedriver:1803
==========

to

==========
[Chromedriver] Fix testAlertHandlingOnPageUnload.

Include a user interaction in order to trigger beforeunload dialog.

BUG=chromedriver:1803

Review-Url: https://codereview.chromium.org/2878703003
Cr-Commit-Position: refs/heads/master@{#471101}
Committed:
https://chromium.googlesource.com/chromium/src/+/aeb307193b0209d0c5ed24263ba5...
==========

[commit-bot: I haz the power, 2017-05-11 22:50:35]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/aeb307193b0209d0c5ed24263ba5...