MD Settings: fix a couple errors

MD Settings: fix a couple errors

Fix an error when navigating Chrome to a section (e.g. chrome://md-settings/search).

Remove an observer that was removed.

BUG=631332
R=dschyler@chromium.org
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation

Committed: https://crrev.com/0608e39162e98e0e1d5e80bcb043899f4d513953
Cr-Commit-Position: refs/heads/master@{#409024}

[michaelpg, 2016-08-01 07:56:24]

Description was changed from

==========
MD Settings: fix a couple errors

Fix an error when navigating Chrome to a section (e.g.
chrome://md-settings/search).

Remove an observer that was removed.

BUG=631332
R=dschyler@chromium.org
==========

to

==========
MD Settings: fix a couple errors

Fix an error when navigating Chrome to a section (e.g.
chrome://md-settings/search).

Remove an observer that was removed.

BUG=631332
R=dschyler@chromium.org
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation
==========

[michaelpg, 2016-08-01 07:57:30]

ptal.

[michaelpg, 2016-08-01 15:30:05]

michaelpg@chromium.org changed reviewers:
+ dschuyler@chromium.org
- dschyler@chromium.org

[michaelpg, 2016-08-01 15:30:05]

resending to the real dschuyler

[dschuyler, 2016-08-01 18:29:32]

lgtm

[michaelpg, 2016-08-01 18:31:18]

The CQ bit was checked by michaelpg@chromium.org

[commit-bot: I haz the power, 2016-08-01 18:32:08]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-08-01 19:29:48]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-08-01 19:32:01]

Description was changed from

==========
MD Settings: fix a couple errors

Fix an error when navigating Chrome to a section (e.g.
chrome://md-settings/search).

Remove an observer that was removed.

BUG=631332
R=dschyler@chromium.org
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation
==========

to

==========
MD Settings: fix a couple errors

Fix an error when navigating Chrome to a section (e.g.
chrome://md-settings/search).

Remove an observer that was removed.

BUG=631332
R=dschyler@chromium.org
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation

Committed: https://crrev.com/0608e39162e98e0e1d5e80bcb043899f4d513953
Cr-Commit-Position: refs/heads/master@{#409024}
==========

[commit-bot: I haz the power, 2016-08-01 19:32:02]

Patchset 1 (id:??) landed as
https://crrev.com/0608e39162e98e0e1d5e80bcb043899f4d513953
Cr-Commit-Position: refs/heads/master@{#409024}