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.
TBR=tdanderson@chromium.org

Review-Url: https://codereview.chromium.org/2691053003
Cr-Commit-Position: refs/heads/master@{#451236}
(cherry picked from commit e95bae2c160909c52b01b269f90c63f46ab9039a)

Review-Url: https://codereview.chromium.org/2708553002 .
Cr-Commit-Position: refs/branch-heads/2987@{#592}
Cr-Branched-From: ad51088c0e8776e8dcd963dbe752c4035ba6dab6-refs/heads/master@{#444943}
Committed: https://chromium.googlesource.com/chromium/src/+/65c62d676d968ece273b7954ea5137eaca0233a9

[fukino, 2017-02-20 04:07:04]

The CQ bit was checked by fukino@chromium.org

[commit-bot: I haz the power, 2017-02-20 04:07:29]

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, 2017-02-20 04:07:29]

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

[commit-bot: I haz the power, 2017-02-20 04:07:30]

CLs for remote refs other than refs/heads/master must contain NOTRY=true and
NOPRESUBMIT=true in order for the CQ to process them

[fukino, 2017-02-20 04:11:36]

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.
TBR=tdanderson@chromium.org

Review-Url: https://codereview.chromium.org/2691053003
Cr-Commit-Position: refs/heads/master@{#451236}
(cherry picked from commit e95bae2c160909c52b01b269f90c63f46ab9039a)
==========

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.
TBR=tdanderson@chromium.org

Review-Url: https://codereview.chromium.org/2691053003
Cr-Commit-Position: refs/heads/master@{#451236}
(cherry picked from commit e95bae2c160909c52b01b269f90c63f46ab9039a)

Review-Url: https://codereview.chromium.org/2708553002 .
Cr-Commit-Position: refs/branch-heads/2987@{#592}
Cr-Branched-From:
ad51088c0e8776e8dcd963dbe752c4035ba6dab6-refs/heads/master@{#444943}
Committed:
https://chromium.googlesource.com/chromium/src/+/65c62d676d968ece273b7954ea51...
==========

[fukino, 2017-02-20 04:11:37]

Committed patchset #1 (id:1) manually as
65c62d676d968ece273b7954ea5137eaca0233a9.