Mojo C++ bindings: don't DCEHCK in Binding::Close() when the binding is not bound.

Mojo C++ bindings: don't DCEHCK in Binding::Close() when the binding is not bound.

BUG=618488
Committed: https://crrev.com/3e75809d6084ec6ae9694cc5ba20990be37ec49a
Cr-Commit-Position: refs/heads/master@{#399059}

[yzshen1, 2016-06-09 18:08:08]

yzshen@chromium.org changed reviewers:
+ sky@chromium.org

[yzshen1, 2016-06-09 18:08:10]

Hi, Scott.

Would you please take a look? Thanks!

[sky, 2016-06-09 21:11:10]

Nice, thanks, LGTM

[yzshen1, 2016-06-09 21:12:39]

The CQ bit was checked by yzshen@chromium.org

[commit-bot: I haz the power, 2016-06-09 21:13:05]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2052963002/20001

[commit-bot: I haz the power, 2016-06-10 00:49:35]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-06-10 00:49:52]

CQ bit was unchecked

[commit-bot: I haz the power, 2016-06-10 00:52:04]

Description was changed from

==========
Mojo C++ bindings: don't DCEHCK in Binding::Close() when the binding is not
bound.

BUG=618488
==========

to

==========
Mojo C++ bindings: don't DCEHCK in Binding::Close() when the binding is not
bound.

BUG=618488

Committed: https://crrev.com/3e75809d6084ec6ae9694cc5ba20990be37ec49a
Cr-Commit-Position: refs/heads/master@{#399059}
==========

[commit-bot: I haz the power, 2016-06-10 00:52:05]

Patchset 2 (id:??) landed as
https://crrev.com/3e75809d6084ec6ae9694cc5ba20990be37ec49a
Cr-Commit-Position: refs/heads/master@{#399059}