Mojo C++ bindings: error notification behavior related to sync calls.

Mojo C++ bindings: error notification behavior related to sync calls.

This CL changes the behavior to:
- connection error handler doesn't reenter ongoing sync calls.
- connection error handler is delayed until all queued asynchronous
  messages are processed.

BUG=577699
Committed: https://crrev.com/6f89b17073a5e29aa6fd29ab16ad0ac679d2088d
Cr-Commit-Position: refs/heads/master@{#380259}

[yzshen1, 2016-03-09 21:17:50]

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

[yzshen1, 2016-03-09 21:17:51]

Hi, Scott.

Would you please take a look? Thanks!

[sky, 2016-03-09 22:27:19]

LGTM

[yzshen1, 2016-03-09 22:31:48]

The CQ bit was checked by yzshen@chromium.org

[commit-bot: I haz the power, 2016-03-09 22:32:13]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1781573004/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1781573004/20001

[commit-bot: I haz the power, 2016-03-09 23:38:20]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-03-09 23:41:35]

Description was changed from

==========
Mojo C++ bindings: error notification behavior related to sync calls.

This CL changes the behavior to:
- connection error handler doesn't reenter ongoing sync calls.
- connection error handler is delayed until all queued asynchronous
  messages are processed.

BUG=577699
==========

to

==========
Mojo C++ bindings: error notification behavior related to sync calls.

This CL changes the behavior to:
- connection error handler doesn't reenter ongoing sync calls.
- connection error handler is delayed until all queued asynchronous
  messages are processed.

BUG=577699

Committed: https://crrev.com/6f89b17073a5e29aa6fd29ab16ad0ac679d2088d
Cr-Commit-Position: refs/heads/master@{#380259}
==========

[commit-bot: I haz the power, 2016-03-09 23:41:37]

Patchset 2 (id:??) landed as
https://crrev.com/6f89b17073a5e29aa6fd29ab16ad0ac679d2088d
Cr-Commit-Position: refs/heads/master@{#380259}