Removed unused API functions in AudioProcessing and AudioProcessingModule

webrtc/modules/audio_processing/include/audio_processing.h

Index: webrtc/modules/audio_processing/include/audio_processing.h
diff --git a/webrtc/modules/audio_processing/include/audio_processing.h b/webrtc/modules/audio_processing/include/audio_processing.h
index 5eb3b62f98ca09dec1872516b1c588627c525acb..318b2f89533652b6fd1ad896d269f78deb0d004d 100644
--- a/webrtc/modules/audio_processing/include/audio_processing.h
+++ b/webrtc/modules/audio_processing/include/audio_processing.h
@@ -264,15 +264,6 @@ class AudioProcessing {
   // ensures the options are applied immediately.
   virtual void SetExtraOptions(const Config& config) = 0;
 
-  // DEPRECATED.
-  // TODO(ajm): Remove after Chromium has upgraded to using Initialize().
-  virtual int set_sample_rate_hz(int rate) = 0;
-  // TODO(ajm): Remove after voice engine no longer requires it to resample
-  // the reverse stream to the forward rate.
-  virtual int input_sample_rate_hz() const = 0;
-  // TODO(ajm): Remove after Chromium no longer depends on it.
-  virtual int sample_rate_hz() const = 0;
-
   // TODO(ajm): Only intended for internal use. Make private and friend the
   // necessary classes?
   virtual int proc_sample_rate_hz() const = 0;
@@ -286,7 +277,6 @@ class AudioProcessing {
   // but some components may change behavior based on this information.
   // Default false.
   virtual void set_output_will_be_muted(bool muted) = 0;
-  virtual bool output_will_be_muted() const = 0;
 
   // Processes a 10 ms |frame| of the primary audio stream. On the client-side,
   // this is the near-end (or captured) audio.
@@ -387,7 +377,6 @@ class AudioProcessing {
   // Call to signal that a key press occurred (true) or did not occur (false)
   // with this chunk of audio.
   virtual void set_stream_key_pressed(bool key_pressed) = 0;
-  virtual bool stream_key_pressed() const = 0;
 
   // Sets a delay |offset| in ms to add to the values passed in through
   // set_stream_delay_ms(). May be positive or negative.