Add utility method to wait for bookmark model to be loaded in tests.

Add utility method to wait for bookmark model to be loaded in tests.

BUG=583477
Committed: https://crrev.com/eb03cb632cb741486a45d84b32212720f1f649f8
Cr-Commit-Position: refs/heads/master@{#376077}

[newt (away), 2016-02-18 00:27:09]

newt@chromium.org changed reviewers:
+ ianwen@chromium.org

[newt (away), 2016-02-18 00:27:10]

PTAL

[Ian Wen, 2016-02-18 00:48:28]

lgtm. The native model is per-profile KeyedService, which won't be affected even
if we remove the java references to the native bridge object.

[newt (away), 2016-02-18 00:51:20]

newt@chromium.org changed reviewers:
+ dfalcantara@chromium.org

[newt (away), 2016-02-18 00:51:21]

dfalcantara@chromium.org: for tests OWNERS

[gone, 2016-02-18 02:06:22]

rs OWNERS lgtm

[newt (away), 2016-02-18 02:07:24]

The CQ bit was checked by newt@chromium.org

[commit-bot: I haz the power, 2016-02-18 02:07:54]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1707103004/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1707103004/1

[commit-bot: I haz the power, 2016-02-18 02:42:53]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-02-18 02:44:28]

Description was changed from

==========
Add utility method to wait for bookmark model to be loaded in tests.

BUG=583477
==========

to

==========
Add utility method to wait for bookmark model to be loaded in tests.

BUG=583477

Committed: https://crrev.com/eb03cb632cb741486a45d84b32212720f1f649f8
Cr-Commit-Position: refs/heads/master@{#376077}
==========

[commit-bot: I haz the power, 2016-02-18 02:44:29]

Patchset 1 (id:??) landed as
https://crrev.com/eb03cb632cb741486a45d84b32212720f1f649f8
Cr-Commit-Position: refs/heads/master@{#376077}