[Offline pages] Properly mutating bolt icon on incognito tab.

[Offline pages] Properly mutating bolt icon on incognito tab.

mutate() should be called on the incognito tab before the icon is updated
to make sure it does not cause the OIB icon disappear.

BUG=601000
R=newt@chromium.org

Committed: https://crrev.com/cc5e1779e3e08c42092a4658df824e3f08f50b41
Cr-Commit-Position: refs/heads/master@{#386174}

[fgorski, 2016-04-08 17:54:17]

PTAL

[newt (away), 2016-04-08 18:02:29]

lgtm

[fgorski, 2016-04-08 19:01:31]

The CQ bit was checked by fgorski@chromium.org

[commit-bot: I haz the power, 2016-04-08 19:02:10]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1867373003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1867373003/1

[commit-bot: I haz the power, 2016-04-08 20:00:32]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-04-08 20:01:57]

Description was changed from

==========
[Offline pages] Properly mutating bolt icon on incognito tab.

mutate() should be called on the incognito tab before the icon is updated
to make sure it does not cause the OIB icon disappear.

BUG=601000
R=newt@chromium.org
==========

to

==========
[Offline pages] Properly mutating bolt icon on incognito tab.

mutate() should be called on the incognito tab before the icon is updated
to make sure it does not cause the OIB icon disappear.

BUG=601000
R=newt@chromium.org

Committed: https://crrev.com/cc5e1779e3e08c42092a4658df824e3f08f50b41
Cr-Commit-Position: refs/heads/master@{#386174}
==========

[commit-bot: I haz the power, 2016-04-08 20:01:58]

Patchset 1 (id:??) landed as
https://crrev.com/cc5e1779e3e08c42092a4658df824e3f08f50b41
Cr-Commit-Position: refs/heads/master@{#386174}