MD system tray: Add user metrics for clicks on the Bluetooth toggle switch.

MD system tray: Add user metrics for clicks on the Bluetooth toggle switch.

In non-MD system tray, clicks on the Bluetooth toggle switch have been recorded.
However, in MD system tray, those clicks are not recorded.
This CL add the same metrics events in MD system tray as well.

BUG=691152
TEST=Open chrome://user-actions and check if StatusArea_Bluetooth_Enabled and
StatusArea_Bluetooth_Disabled are recorded when the toggle button is clicked
in MD Bluetooth menu.

Review-Url: https://codereview.chromium.org/2691053003
Cr-Commit-Position: refs/heads/master@{#451236}
Committed: https://chromium.googlesource.com/chromium/src/+/e95bae2c160909c52b01b269f90c63f46ab9039a

[fukino, 2017-02-14 01:55:43]

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

[fukino, 2017-02-14 01:55:43]

Terry, could you take a look?

[tdanderson, 2017-02-14 23:03:22]

LGTM

[fukino, 2017-02-17 04:57:49]

The CQ bit was checked by fukino@chromium.org

[commit-bot: I haz the power, 2017-02-17 04:58:25]

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, 2017-02-17 05:01:37]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2017-02-17 05:01:38]

Try jobs failed on following builders:
  ios-simulator on master.tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/ios-simulator/bui...)
  ios-simulator-xcode-clang on master.tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/ios-simulator-xco...)

[fukino, 2017-02-17 05:15:24]

The CQ bit was checked by fukino@chromium.org

[fukino, 2017-02-17 05:15:24]

The patchset sent to the CQ was uploaded after l-g-t-m from
tdanderson@chromium.org
Link to the patchset: https://codereview.chromium.org/2691053003/#ps20001
(title: "Rebase")

[commit-bot: I haz the power, 2017-02-17 05:16:01]

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, 2017-02-17 06:07:04]

CQ is committing da patch.

Bot data: {"patchset_id": 20001, "attempt_start_ts": 1487308524152230,
"parent_rev": "8f262cb3c89243ad53015bb08704461ddee91c71", "commit_rev":
"e95bae2c160909c52b01b269f90c63f46ab9039a"}

[commit-bot: I haz the power, 2017-02-17 06:08:23]

Description was changed from

==========
MD system tray: Add user metrics for clicks on the Bluetooth toggle switch.

In non-MD system tray, clicks on the Bluetooth toggle switch have been recorded.
However, in MD system tray, those clicks are not recorded.
This CL add the same metrics events in MD system tray as well.

BUG=691152
TEST=Open chrome://user-actions and check if StatusArea_Bluetooth_Enabled and
StatusArea_Bluetooth_Disabled are recorded when the toggle button is clicked
in MD Bluetooth menu.
==========

to

==========
MD system tray: Add user metrics for clicks on the Bluetooth toggle switch.

In non-MD system tray, clicks on the Bluetooth toggle switch have been recorded.
However, in MD system tray, those clicks are not recorded.
This CL add the same metrics events in MD system tray as well.

BUG=691152
TEST=Open chrome://user-actions and check if StatusArea_Bluetooth_Enabled and
StatusArea_Bluetooth_Disabled are recorded when the toggle button is clicked
in MD Bluetooth menu.

Review-Url: https://codereview.chromium.org/2691053003
Cr-Commit-Position: refs/heads/master@{#451236}
Committed:
https://chromium.googlesource.com/chromium/src/+/e95bae2c160909c52b01b269f90c...
==========

[commit-bot: I haz the power, 2017-02-17 06:08:25]

Committed patchset #2 (id:20001) as
https://chromium.googlesource.com/chromium/src/+/e95bae2c160909c52b01b269f90c...