Add metrics for when a cast is started or stopped from the system tray.

Add metrics for when a cast is started or stopped from the system tray.

BUG=433140
Committed: https://crrev.com/584c8eadcb8580822907a11443a9af9aa16d7c96
Cr-Commit-Position: refs/heads/master@{#333854}

[jdufault, 2015-06-10 19:00:46]

jdufault@chromium.org changed reviewers:
+ isherman@chromium.org, jamescook@chromium.org

[jdufault, 2015-06-10 19:00:58]

jdufault@chromium.org changed reviewers:
+ achuith@chromium.org

[jdufault, 2015-06-10 19:04:23]

Would you mind taking a look? This adds two metrics for the cast system tray
(when a user starts or stops a cast) so we can track how often it is used.

[achuithb, 2015-06-10 19:07:27]

lgtm

https://codereview.chromium.org/1169833006/diff/1/ash/system/cast/tray_cast.cc
File ash/system/cast/tray_cast.cc (right):

https://codereview.chromium.org/1169833006/diff/1/ash/system/cast/tray_cast.c...
ash/system/cast/tray_cast.cc:227:
Shell::GetInstance()->metrics()->RecordUserMetricsAction(
nit: Let's make this the last statement in this function

[jdufault, 2015-06-10 19:09:41]

https://codereview.chromium.org/1169833006/diff/1/ash/system/cast/tray_cast.cc
File ash/system/cast/tray_cast.cc (right):

https://codereview.chromium.org/1169833006/diff/1/ash/system/cast/tray_cast.c...
ash/system/cast/tray_cast.cc:227:
Shell::GetInstance()->metrics()->RecordUserMetricsAction(
On 2015/06/10 19:07:27, achuithb wrote:
> nit: Let's make this the last statement in this function

Done.

[Ilya Sherman, 2015-06-10 21:14:57]

actions.xml lgtm

[James Cook, 2015-06-10 23:05:02]

lgtm

[jdufault, 2015-06-10 23:05:29]

The CQ bit was checked by jdufault@chromium.org

[jdufault, 2015-06-10 23:05:30]

The patchset sent to the CQ was uploaded after l-g-t-m from achuith@chromium.org
Link to the patchset: https://codereview.chromium.org/1169833006/#ps20001
(title: "Address nit")

[commit-bot: I haz the power, 2015-06-10 23:08:32]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1169833006/20001

[commit-bot: I haz the power, 2015-06-11 00:11:26]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-06-11 00:12:23]

Patchset 2 (id:??) landed as
https://crrev.com/584c8eadcb8580822907a11443a9af9aa16d7c96
Cr-Commit-Position: refs/heads/master@{#333854}