MD Settings: Bluetooth: Clean up observers and discovery logic

MD Settings: Bluetooth: Clean up observers and discovery logic

Calling 'stopDiscovery' when the bluetooth adapter is not powered will
always fail, and the new UI should always be discovering when the subpage
is shown and the device is powered.

BUG=695220
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation

Review-Url: https://codereview.chromium.org/2724533006
Cr-Commit-Position: refs/heads/master@{#454207}
Committed: https://chromium.googlesource.com/chromium/src/+/4f2fe086d738f255856393a7eebf743170ac61bd

[stevenjb, 2017-02-28 22:51:07]

Description was changed from

==========
MD Settings: Bluetooth: Clean up observers and discovery logic

BUG=695220
==========

to

==========
MD Settings: Bluetooth: Clean up observers and discovery logic

BUG=695220
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation
==========

[stevenjb, 2017-02-28 22:52:53]

stevenjb@chromium.org changed reviewers:
+ fukino@chromium.org

[stevenjb, 2017-02-28 22:52:54]

Calling 'stopDiscovery' when the bluetooth adapter is not powered will always
fail, and the new UI should always be discovering when the subpage is shown and
the device is powered.

[stevenjb, 2017-02-28 22:53:18]

Description was changed from

==========
MD Settings: Bluetooth: Clean up observers and discovery logic

BUG=695220
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation
==========

to

==========
MD Settings: Bluetooth: Clean up observers and discovery logic

Calling 'stopDiscovery' when the bluetooth adapter is not powered will
always fail, and the new UI should always be discovering when the subpage
is shown and the device is powered.

BUG=695220
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation
==========

[fukino, 2017-03-02 03:33:18]

lgtm. Thanks!

[stevenjb, 2017-03-02 03:40:23]

The CQ bit was checked by stevenjb@chromium.org

[commit-bot: I haz the power, 2017-03-02 03:41:53]

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, 2017-03-02 07:43:11]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1488426023973890, "parent_rev":
"e8b6e0b53120b0d81c6b3b48942f095be37febbc", "commit_rev":
"4f2fe086d738f255856393a7eebf743170ac61bd"}

[commit-bot: I haz the power, 2017-03-02 07:44:08]

Description was changed from

==========
MD Settings: Bluetooth: Clean up observers and discovery logic

Calling 'stopDiscovery' when the bluetooth adapter is not powered will
always fail, and the new UI should always be discovering when the subpage
is shown and the device is powered.

BUG=695220
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation
==========

to

==========
MD Settings: Bluetooth: Clean up observers and discovery logic

Calling 'stopDiscovery' when the bluetooth adapter is not powered will
always fail, and the new UI should always be discovering when the subpage
is shown and the device is powered.

BUG=695220
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation

Review-Url: https://codereview.chromium.org/2724533006
Cr-Commit-Position: refs/heads/master@{#454207}
Committed:
https://chromium.googlesource.com/chromium/src/+/4f2fe086d738f255856393a7eebf...
==========

[commit-bot: I haz the power, 2017-03-02 07:44:09]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/4f2fe086d738f255856393a7eebf...