Add a check that the planned replacement for page id for updating the history offset works.

Add a check that the planned replacement for page id for updating the history offset works.

BUG=369661
TEST=All navigation tests remain green.

Committed: https://crrev.com/9dd5e2a325cadbd52d43fc518b4204c46f1598a8
Cr-Commit-Position: refs/heads/master@{#329253}

[Avi (use Gerrit), 2015-05-09 20:53:12]

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

[Avi (use Gerrit), 2015-05-09 20:53:12]

OK, this is a good replacement.

[Charlie Reis, 2015-05-11 21:16:26]

LGTM.  Want to make it a CHECK so that we get crash reports if it fails?

[Avi (use Gerrit), 2015-05-11 21:18:09]

On 2015/05/11 21:16:26, Charlie Reis wrote:
> LGTM.  Want to make it a CHECK so that we get crash reports if it fails?

If you're OK going straight to that point I am too.

[Avi (use Gerrit), 2015-05-11 21:19:55]

The CQ bit was checked by avi@chromium.org

[Avi (use Gerrit), 2015-05-11 21:19:55]

The patchset sent to the CQ was uploaded after l-g-t-m from creis@chromium.org
Link to the patchset: https://codereview.chromium.org/1129913004/#ps80001
(title: "check")

[commit-bot: I haz the power, 2015-05-11 21:23:51]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1129913004/80001

[commit-bot: I haz the power, 2015-05-11 22:26:16]

Committed patchset #5 (id:80001)

[commit-bot: I haz the power, 2015-05-11 22:27:30]

Patchset 5 (id:??) landed as
https://crrev.com/9dd5e2a325cadbd52d43fc518b4204c46f1598a8
Cr-Commit-Position: refs/heads/master@{#329253}