mash: Migrate tray audio and deps to common.

ash/common/system/tray/wm_system_tray_notifier.cc

 // Copyright 2016 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/common/system/tray/wm_system_tray_notifier.h"
 
 #include "ash/common/system/accessibility_observer.h"
+#include "ash/common/system/audio/audio_observer.h"
 #include "ash/common/system/date/clock_observer.h"
 #include "ash/common/system/ime/ime_observer.h"
 #include "ash/common/system/update/update_observer.h"
 
 #if defined(OS_CHROMEOS)
 #include "ash/common/system/chromeos/virtual_keyboard/virtual_keyboard_observer.h"
 #endif
 
 namespace ash {
 
@@ skipping 10 matching lines @@
     AccessibilityObserver* observer) {
   accessibility_observers_.RemoveObserver(observer);
 }
 
 void WmSystemTrayNotifier::NotifyAccessibilityModeChanged(
     AccessibilityNotificationVisibility notify) {
   FOR_EACH_OBSERVER(AccessibilityObserver, accessibility_observers_,
                     OnAccessibilityModeChanged(notify));
 }
 
+void WmSystemTrayNotifier::AddAudioObserver(AudioObserver* observer) {
+  audio_observers_.AddObserver(observer);
+}
+
+void WmSystemTrayNotifier::RemoveAudioObserver(AudioObserver* observer) {
+  audio_observers_.RemoveObserver(observer);
+}
+
+void WmSystemTrayNotifier::NotifyAudioOutputVolumeChanged(uint64_t node_id,
+                                                          double volume) {
+  FOR_EACH_OBSERVER(AudioObserver, audio_observers_,
+                    OnOutputNodeVolumeChanged(node_id, volume));
+}
+
+void WmSystemTrayNotifier::NotifyAudioOutputMuteChanged(bool mute_on,
+                                                        bool system_adjust) {
+  FOR_EACH_OBSERVER(AudioObserver, audio_observers_,
+                    OnOutputMuteChanged(mute_on, system_adjust));
+}
+
+void WmSystemTrayNotifier::NotifyAudioNodesChanged() {
+  FOR_EACH_OBSERVER(AudioObserver, audio_observers_, OnAudioNodesChanged());
+}
+
+void WmSystemTrayNotifier::NotifyAudioActiveOutputNodeChanged() {
+  FOR_EACH_OBSERVER(AudioObserver, audio_observers_,
+                    OnActiveOutputNodeChanged());
+}
+
+void WmSystemTrayNotifier::NotifyAudioActiveInputNodeChanged() {
+  FOR_EACH_OBSERVER(AudioObserver, audio_observers_,
+                    OnActiveInputNodeChanged());
+}
+
 void WmSystemTrayNotifier::AddClockObserver(ClockObserver* observer) {
   clock_observers_.AddObserver(observer);
 }
 
 void WmSystemTrayNotifier::RemoveClockObserver(ClockObserver* observer) {
   clock_observers_.RemoveObserver(observer);
 }
 
 void WmSystemTrayNotifier::NotifyRefreshClock() {
   FOR_EACH_OBSERVER(ClockObserver, clock_observers_, Refresh());
@@ skipping 76 matching lines @@
 
 void WmSystemTrayNotifier::NotifyVirtualKeyboardSuppressionChanged(
     bool suppressed) {
   FOR_EACH_OBSERVER(VirtualKeyboardObserver, virtual_keyboard_observers_,
                     OnKeyboardSuppressionChanged(suppressed));
 }
 
 #endif  // defined(OS_CHROMEOS)
 
 }  // namespace ash