chrome.audio API: treat mute as system wide property

extensions/browser/api/audio/audio_service.cc

Index: extensions/browser/api/audio/audio_service.cc
diff --git a/extensions/browser/api/audio/audio_service.cc b/extensions/browser/api/audio/audio_service.cc
index 8c0ab27161988e13c5b2ec8cc380a9bbf19cf118..bdc1ea697c37a0acf88dd30e91209797304fc35a 100644
--- a/extensions/browser/api/audio/audio_service.cc
+++ b/extensions/browser/api/audio/audio_service.cc
@@ -21,10 +21,12 @@ class AudioServiceImpl : public AudioService {
   bool SetActiveDeviceLists(
       const std::unique_ptr<DeviceIdList>& input_devices,
       const std::unique_ptr<DeviceIdList>& output_devives) override;
-  bool SetDeviceProperties(const std::string& device_id,
-                           bool muted,
+  bool SetDeviceSoundLevel(const std::string& device_id,
                            int volume,
                            int gain) override;
+  bool SetMuteForDevice(const std::string& device_id, bool value) override;
+  bool SetMute(bool is_input, bool value) override;
+  bool GetMute(bool is_input, bool* value) override;
 };
 
 void AudioServiceImpl::AddObserver(Observer* observer) {
@@ -54,11 +56,23 @@ bool AudioServiceImpl::SetActiveDeviceLists(
 void AudioServiceImpl::SetActiveDevices(const DeviceIdList& device_list) {
 }
 
-bool AudioServiceImpl::SetDeviceProperties(const std::string& device_id,
-                                           bool muted,
+bool AudioServiceImpl::SetDeviceSoundLevel(const std::string& device_id,
                                            int volume,
                                            int gain) {
   return false;
 }
 
+bool AudioServiceImpl::SetMuteForDevice(const std::string& device_id,
+                                        bool value) {
+  return false;
+}
+
+bool AudioServiceImpl::SetMute(bool is_input, bool value) {
+  return false;
+}
+
+bool AudioServiceImpl::GetMute(bool is_input, bool* value) {
+  return false;
+}
+
 }  // namespace extensions