Implement HasInputDevices in CrasAudioManager

media/audio/audio_manager_base.h

Index: media/audio/audio_manager_base.h
diff --git a/media/audio/audio_manager_base.h b/media/audio/audio_manager_base.h
index 0ac7020435e4d223b646814ad4168bcbba7004eb..f5cd22e7cbe31cdf391527b862a135d273c5f7e3 100644
--- a/media/audio/audio_manager_base.h
+++ b/media/audio/audio_manager_base.h
@@ -48,28 +48,40 @@ class MEDIA_EXPORT AudioManagerBase : public AudioManager {
 
   ~AudioManagerBase() override;
 
+  // AudioManager:
   scoped_refptr<base::SingleThreadTaskRunner> GetTaskRunner() override;
   scoped_refptr<base::SingleThreadTaskRunner> GetWorkerTaskRunner() override;
-
   base::string16 GetAudioInputDeviceModel() override;
-
   void ShowAudioInputSettings() override;
-
   void GetAudioInputDeviceNames(AudioDeviceNames* device_names) override;
-
   void GetAudioOutputDeviceNames(AudioDeviceNames* device_names) override;
-
   AudioOutputStream* MakeAudioOutputStream(
       const AudioParameters& params,
       const std::string& device_id) override;
-
   AudioInputStream* MakeAudioInputStream(const AudioParameters& params,
                                          const std::string& device_id) override;
-
   AudioOutputStream* MakeAudioOutputStreamProxy(
       const AudioParameters& params,
       const std::string& device_id) override;
 
+  // Listeners will be notified on the GetTaskRunner() task runner.
+  void AddOutputDeviceChangeListener(AudioDeviceListener* listener) override;
+  void RemoveOutputDeviceChangeListener(AudioDeviceListener* listener) override;
+
+  AudioParameters GetDefaultOutputStreamParameters() override;
+  AudioParameters GetOutputStreamParameters(
+      const std::string& device_id) override;
+  AudioParameters GetInputStreamParameters(
+      const std::string& device_id) override;
+  std::string GetAssociatedOutputDeviceID(
+      const std::string& input_device_id) override;
+  scoped_ptr<AudioLog> CreateAudioLog(
+      AudioLogFactory::AudioComponent component) override;
+  void SetHasKeyboardMic() override;
+  void SetHasInputDevices(bool has_input_devices) override;
+
+  // AudioManagerBase:
+
   // Called internally by the audio stream when it has been closed.
   virtual void ReleaseOutputStream(AudioOutputStream* stream);
   virtual void ReleaseInputStream(AudioInputStream* stream);
@@ -93,25 +105,6 @@ class MEDIA_EXPORT AudioManagerBase : public AudioManager {
   virtual AudioInputStream* MakeLowLatencyInputStream(
       const AudioParameters& params, const std::string& device_id) = 0;
 
-  // Listeners will be notified on the GetTaskRunner() task runner.
-  void AddOutputDeviceChangeListener(AudioDeviceListener* listener) override;
-  void RemoveOutputDeviceChangeListener(AudioDeviceListener* listener) override;
-
-  AudioParameters GetDefaultOutputStreamParameters() override;
-  AudioParameters GetOutputStreamParameters(
-      const std::string& device_id) override;
-
-  AudioParameters GetInputStreamParameters(
-      const std::string& device_id) override;
-
-  std::string GetAssociatedOutputDeviceID(
-      const std::string& input_device_id) override;
-
-  scoped_ptr<AudioLog> CreateAudioLog(
-      AudioLogFactory::AudioComponent component) override;
-
-  void SetHasKeyboardMic() override;
-
   // Get number of input or output streams.
   int input_stream_count() const { return num_input_streams_; }
   int output_stream_count() const { return num_output_streams_; }