Ensure that the page id assignment IPC is sent.

Ensure that the page id assignment IPC is sent.

If it's failing to be sent, this would explain some of the cases of the bug.

BUG=407376
TEST=no change

Committed: https://crrev.com/f5125a284eaf0a42834bc6bd773ed38a2bfcc270
Cr-Commit-Position: refs/heads/master@{#300158}

[Avi (use Gerrit), 2014-10-16 19:59:01]

avi@chromium.org changed reviewers:
+ creis@chromium.org

[Charlie Reis, 2014-10-16 20:12:21]

Yep, let's give it a try.  LGTM.

[Avi (use Gerrit), 2014-10-17 19:54:04]

The CQ bit was checked by avi@chromium.org

[commit-bot: I haz the power, 2014-10-17 19:55:02]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/648463004/1

[commit-bot: I haz the power, 2014-10-17 20:47:25]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2014-10-17 20:48:08]

Patchset 1 (id:??) landed as
https://crrev.com/f5125a284eaf0a42834bc6bd773ed38a2bfcc270
Cr-Commit-Position: refs/heads/master@{#300158}