Media indicator for background recording task

ash/system/tray/system_tray_notifier.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ash/system/tray/system_tray_notifier.h"
 
 #if defined(OS_CHROMEOS)
 #include "ash/system/chromeos/network/network_state_notifier.h"
 #endif
 
@@ skipping 133 matching lines @@
 void SystemTrayNotifier::AddEnterpriseDomainObserver(
     EnterpriseDomainObserver* observer) {
   enterprise_domain_observers_.AddObserver(observer);
 }
 
 void SystemTrayNotifier::RemoveEnterpriseDomainObserver(
     EnterpriseDomainObserver* observer) {
   enterprise_domain_observers_.RemoveObserver(observer);
 }
 
+void SystemTrayNotifier::AddMediaCaptureObserver(
+    MediaCaptureObserver* observer) {
+  media_capture_observers_.AddObserver(observer);
+}
+
+void SystemTrayNotifier::RemoveMediaCaptureObserver(
+    MediaCaptureObserver* observer) {
+  media_capture_observers_.RemoveObserver(observer);
+}
+
 void SystemTrayNotifier::AddScreenCaptureObserver(
     ScreenCaptureObserver* observer) {
   screen_capture_observers_.AddObserver(observer);
 }
 
 void SystemTrayNotifier::RemoveScreenCaptureObserver(
     ScreenCaptureObserver* observer) {
   screen_capture_observers_.RemoveObserver(observer);
 }
 
@@ skipping 183 matching lines @@
   FOR_EACH_OBSERVER(NetworkPortalDetectorObserver,
                     network_portal_detector_observers_,
                     OnCaptivePortalDetected(service_path));
 }
 
 void SystemTrayNotifier::NotifyEnterpriseDomainChanged() {
   FOR_EACH_OBSERVER(EnterpriseDomainObserver, enterprise_domain_observers_,
       OnEnterpriseDomainChanged());
 }
 
+void SystemTrayNotifier::NotifyMediaCaptureChanged() {
+  FOR_EACH_OBSERVER(
+      MediaCaptureObserver, media_capture_observers_, OnMediaCaptureChanged());
+}
+
 void SystemTrayNotifier::NotifyScreenCaptureStart(
     const base::Closure& stop_callback,
     const base::string16& sharing_app_name) {
   FOR_EACH_OBSERVER(ScreenCaptureObserver, screen_capture_observers_,
                     OnScreenCaptureStart(stop_callback, sharing_app_name));
 }
 
 void SystemTrayNotifier::NotifyScreenCaptureStop() {
   FOR_EACH_OBSERVER(ScreenCaptureObserver, screen_capture_observers_,
                     OnScreenCaptureStop());
@@ skipping 13 matching lines @@
 
 void SystemTrayNotifier::NotifyLastWindowClosed() {
   FOR_EACH_OBSERVER(LastWindowClosedObserver,
                     last_window_closed_observers_,
                     OnLastWindowClosed());
 }
 
 #endif  // OS_CHROMEOS
 
 }  // namespace ash