Add sound volume to device attribute reporting

chrome/browser/chromeos/policy/device_status_collector.h

Index: chrome/browser/chromeos/policy/device_status_collector.h
diff --git a/chrome/browser/chromeos/policy/device_status_collector.h b/chrome/browser/chromeos/policy/device_status_collector.h
index cafec8763790c4303a80f3bbb4259a8ba662cec9..a8e9cbe30ca9d1b6823218ae38659e909e94490c 100644
--- a/chrome/browser/chromeos/policy/device_status_collector.h
+++ b/chrome/browser/chromeos/policy/device_status_collector.h
@@ -199,6 +199,7 @@ class DeviceStatusCollector {
       enterprise_management::DeviceStatusReportRequest* status);
   bool GetRunningKioskApp(
       enterprise_management::DeviceStatusReportRequest* status);
+  bool GetSoundVolume(enterprise_management::DeviceStatusReportRequest* status);
 
   // Helpers for the various portions of SESSION STATUS. Return true if they
   // actually report any status. Functions that queue async queries take
@@ -275,6 +276,7 @@ class DeviceStatusCollector {
   bool report_kiosk_session_status_ = false;
   bool report_os_update_status_ = false;
   bool report_running_kiosk_app_ = false;
+  bool report_sound_volume_ = false;
 
   std::unique_ptr<chromeos::CrosSettings::ObserverSubscription>
       version_info_subscription_;
@@ -294,6 +296,8 @@ class DeviceStatusCollector {
       os_update_status_subscription_;
   std::unique_ptr<chromeos::CrosSettings::ObserverSubscription>
       running_kiosk_app_subscription_;
+  std::unique_ptr<chromeos::CrosSettings::ObserverSubscription>
+      sound_volume_subscription_;

[Andrew T Wilson (Slow), 2017/03/09 15:56:34]

See my prev comment - probably makes sense to just include this with
hardware_status so no need for a separate setting to track

 
   // Task runner in the creation thread where responses are sent to.
   scoped_refptr<base::SequencedTaskRunner> task_runner_;