Removes unused APIs from the ADM (part II)

webrtc/modules/audio_device/linux/audio_device_pulse_linux.h

Index: webrtc/modules/audio_device/linux/audio_device_pulse_linux.h
diff --git a/webrtc/modules/audio_device/linux/audio_device_pulse_linux.h b/webrtc/modules/audio_device/linux/audio_device_pulse_linux.h
index 00ed5477bafa689235e1d0f8a007d09aa7cd8796..7e8d68347bc5e7354e5d2b9699af527bc8721424 100644
--- a/webrtc/modules/audio_device/linux/audio_device_pulse_linux.h
+++ b/webrtc/modules/audio_device/linux/audio_device_pulse_linux.h
@@ -157,7 +157,6 @@ public:
     int32_t SpeakerVolume(uint32_t& volume) const override;
     int32_t MaxSpeakerVolume(uint32_t& maxVolume) const override;
     int32_t MinSpeakerVolume(uint32_t& minVolume) const override;
-    int32_t SpeakerVolumeStepSize(uint16_t& stepSize) const override;
 
     // Microphone volume controls
     int32_t MicrophoneVolumeIsAvailable(bool& available) override;
@@ -165,7 +164,6 @@ public:
     int32_t MicrophoneVolume(uint32_t& volume) const override;
     int32_t MaxMicrophoneVolume(uint32_t& maxVolume) const override;
     int32_t MinMicrophoneVolume(uint32_t& minVolume) const override;
-    int32_t MicrophoneVolumeStepSize(uint16_t& stepSize) const override;
 
     // Speaker mute control
     int32_t SpeakerMuteIsAvailable(bool& available) override;
@@ -177,11 +175,6 @@ public:
     int32_t SetMicrophoneMute(bool enable) override;
     int32_t MicrophoneMute(bool& enabled) const override;
 
-    // Microphone boost control
-    int32_t MicrophoneBoostIsAvailable(bool& available) override;
-    int32_t SetMicrophoneBoost(bool enable) override;
-    int32_t MicrophoneBoost(bool& enabled) const override;
-
     // Stereo support
     int32_t StereoPlayoutIsAvailable(bool& available) override;
     int32_t SetStereoPlayout(bool enable) override;
@@ -191,16 +184,9 @@ public:
     int32_t StereoRecording(bool& enabled) const override;
 
     // Delay information and control
-    int32_t SetPlayoutBuffer(const AudioDeviceModule::BufferType type,
-                             uint16_t sizeMS) override;
-    int32_t PlayoutBuffer(AudioDeviceModule::BufferType& type,
-                          uint16_t& sizeMS) const override;
     int32_t PlayoutDelay(uint16_t& delayMS) const override;
     int32_t RecordingDelay(uint16_t& delayMS) const override;
 
-    // CPU load
-    int32_t CPULoad(uint16_t& load) const override;
-
     bool PlayoutWarning() const override;
     bool PlayoutError() const override;
     bool RecordingWarning() const override;
@@ -295,8 +281,6 @@ private:
     uint8_t _recChannels;
     uint8_t _playChannels;
 
-    AudioDeviceModule::BufferType _playBufType;
-
     // Stores thread ID in constructor.
     // We can then use ThreadChecker::CalledOnValidThread() to ensure that
     // other methods are called from the same thread.
@@ -315,8 +299,6 @@ private:
     bool _AGC;
     bool update_speaker_volume_at_startup_;
 
-    uint16_t _playBufDelayFixed; // fixed playback delay
-
     uint32_t _sndCardPlayDelay;
     uint32_t _sndCardRecDelay;