Removes unused APIs from the ADM (part II)

webrtc/modules/audio_device/mac/audio_device_mac.h

Index: webrtc/modules/audio_device/mac/audio_device_mac.h
diff --git a/webrtc/modules/audio_device/mac/audio_device_mac.h b/webrtc/modules/audio_device/mac/audio_device_mac.h
index c8a4b200076351a03a314a0e51ae40f41a4ae643..bdd8d8352e15b6d2a2b9b3a994c086656b64a2a2 100644
--- a/webrtc/modules/audio_device/mac/audio_device_mac.h
+++ b/webrtc/modules/audio_device/mac/audio_device_mac.h
@@ -123,7 +123,6 @@ class AudioDeviceMac : public AudioDeviceGeneric {
   virtual int32_t SpeakerVolume(uint32_t& volume) const;
   virtual int32_t MaxSpeakerVolume(uint32_t& maxVolume) const;
   virtual int32_t MinSpeakerVolume(uint32_t& minVolume) const;
-  virtual int32_t SpeakerVolumeStepSize(uint16_t& stepSize) const;
 
   // Microphone volume controls
   virtual int32_t MicrophoneVolumeIsAvailable(bool& available);
@@ -131,7 +130,6 @@ class AudioDeviceMac : public AudioDeviceGeneric {
   virtual int32_t MicrophoneVolume(uint32_t& volume) const;
   virtual int32_t MaxMicrophoneVolume(uint32_t& maxVolume) const;
   virtual int32_t MinMicrophoneVolume(uint32_t& minVolume) const;
-  virtual int32_t MicrophoneVolumeStepSize(uint16_t& stepSize) const;
 
   // Microphone mute control
   virtual int32_t MicrophoneMuteIsAvailable(bool& available);
@@ -143,11 +141,6 @@ class AudioDeviceMac : public AudioDeviceGeneric {
   virtual int32_t SetSpeakerMute(bool enable);
   virtual int32_t SpeakerMute(bool& enabled) const;
 
-  // Microphone boost control
-  virtual int32_t MicrophoneBoostIsAvailable(bool& available);
-  virtual int32_t SetMicrophoneBoost(bool enable);
-  virtual int32_t MicrophoneBoost(bool& enabled) const;
-
   // Stereo support
   virtual int32_t StereoPlayoutIsAvailable(bool& available);
   virtual int32_t SetStereoPlayout(bool enable);
@@ -157,16 +150,9 @@ class AudioDeviceMac : public AudioDeviceGeneric {
   virtual int32_t StereoRecording(bool& enabled) const;
 
   // Delay information and control
-  virtual int32_t SetPlayoutBuffer(const AudioDeviceModule::BufferType type,
-                                   uint16_t sizeMS);
-  virtual int32_t PlayoutBuffer(AudioDeviceModule::BufferType& type,
-                                uint16_t& sizeMS) const;
   virtual int32_t PlayoutDelay(uint16_t& delayMS) const;
   virtual int32_t RecordingDelay(uint16_t& delayMS) const;
 
-  // CPU load
-  virtual int32_t CPULoad(uint16_t& load) const;
-
   virtual bool PlayoutWarning() const;
   virtual bool PlayoutError() const;
   virtual bool RecordingWarning() const;
@@ -312,8 +298,6 @@ class AudioDeviceMac : public AudioDeviceGeneric {
 
   SInt16 _renderConvertData[PLAY_BUF_SIZE_IN_SAMPLES];
 
-  AudioDeviceModule::BufferType _playBufType;
-
   bool _initialized;
   bool _isShutDown;
   bool _recording;
@@ -349,8 +333,6 @@ class AudioDeviceMac : public AudioDeviceGeneric {
 
   int32_t _renderDelayOffsetSamples;
 
-  uint16_t _playBufDelayFixed;  // fixed playback delay
-
   uint16_t _playWarning;
   uint16_t _playError;
   uint16_t _recWarning;