Made testCachingBehaviorOnOpenNewTab more robust.

Made testCachingBehaviorOnOpenNewTab more robust.

Wait until new Tab is open after opening it using DOM.
|waitForPageToFinishLoading| does not wait for the new Tab.

BUG=None

Review-Url: https://codereview.chromium.org/2671613006
Cr-Commit-Position: refs/heads/master@{#448041}
Committed: https://chromium.googlesource.com/chromium/src/+/7da96c48c351c6fd61c73a28ca94e15680dc24d1

[Eugene But (OOO till 7-30), 2017-02-03 01:37:25]

eugenebut@chromium.org changed reviewers:
+ baxley@chromium.org

[baxley, 2017-02-03 15:24:20]

lgtm

[Eugene But (OOO till 7-30), 2017-02-03 19:04:42]

The CQ bit was checked by eugenebut@chromium.org

[commit-bot: I haz the power, 2017-02-03 19:05:24]

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, 2017-02-03 19:24:07]

CQ is committing da patch.

Bot data: {"patchset_id": 40001, "attempt_start_ts": 1486148682248300,
"parent_rev": "b367bcc4494b1b211268529557198d77d7cc0cb0", "commit_rev":
"7da96c48c351c6fd61c73a28ca94e15680dc24d1"}

[commit-bot: I haz the power, 2017-02-03 19:25:04]

Description was changed from

==========
Made testCachingBehaviorOnOpenNewTab more robust.

Wait until new Tab is open after opening it using DOM.
|waitForPageToFinishLoading| does not wait for the new Tab.

BUG=None
==========

to

==========
Made testCachingBehaviorOnOpenNewTab more robust.

Wait until new Tab is open after opening it using DOM.
|waitForPageToFinishLoading| does not wait for the new Tab.

BUG=None

Review-Url: https://codereview.chromium.org/2671613006
Cr-Commit-Position: refs/heads/master@{#448041}
Committed:
https://chromium.googlesource.com/chromium/src/+/7da96c48c351c6fd61c73a28ca94...
==========

[commit-bot: I haz the power, 2017-02-03 19:25:05]

Committed patchset #3 (id:40001) as
https://chromium.googlesource.com/chromium/src/+/7da96c48c351c6fd61c73a28ca94...