Add missing NSString forward declaration.

Add missing NSString forward declaration.

BUG=623016
TBR=rohitrao

Committed: https://crrev.com/74dd4e3511ec4f50f9aa0fb3bc776075e9b6d8a4
Cr-Commit-Position: refs/heads/master@{#407535}

[jif, 2016-07-25 16:52:31]

Description was changed from

==========
Forward declare NSString.

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

to

==========
Add missing NSString forward declaration.

BUG=623016
==========

[jif, 2016-07-25 16:52:31]

jif@chromium.org changed reviewers:
+ rohitrao@chromium.org

[jif, 2016-07-25 16:54:26]

Description was changed from

==========
Add missing NSString forward declaration.

BUG=623016
==========

to

==========
Add missing NSString forward declaration.

BUG=623016
TBR=rohitrao
==========

[jif, 2016-07-25 16:54:40]

The CQ bit was checked by jif@chromium.org

[commit-bot: I haz the power, 2016-07-25 16:55:10]

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, 2016-07-25 19:03:19]

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

[commit-bot: I haz the power, 2016-07-25 19:03:20]

Failed to apply the patch.

[commit-bot: I haz the power, 2016-07-25 19:03:54]

Description was changed from

==========
Add missing NSString forward declaration.

BUG=623016
TBR=rohitrao
==========

to

==========
Add missing NSString forward declaration.

BUG=623016
TBR=rohitrao

Committed: https://crrev.com/74dd4e3511ec4f50f9aa0fb3bc776075e9b6d8a4
Cr-Commit-Position: refs/heads/master@{#407535}
==========

[commit-bot: I haz the power, 2016-07-25 19:03:55]

Patchset 1 (id:??) landed as
https://crrev.com/74dd4e3511ec4f50f9aa0fb3bc776075e9b6d8a4
Cr-Commit-Position: refs/heads/master@{#407535}