Remove AudioDeviceObserver and make ADM not inherit from the Module interface.

pc/test/fakeaudiocapturemodule.h

 /*
  *  Copyright 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 34 matching lines @@
   static const size_t kNumberBytesPerSample = sizeof(Sample);
 
   // Creates a FakeAudioCaptureModule or returns NULL on failure.
   static rtc::scoped_refptr<FakeAudioCaptureModule> Create();
 
   // Returns the number of frames that have been successfully pulled by the
   // instance. Note that correctly detecting success can only be done if the
   // pulled frame was generated/pushed from a FakeAudioCaptureModule.
   int frames_received() const;
 
-  // Following functions are inherited from webrtc::AudioDeviceModule.
-  // Only functions called by PeerConnection are implemented, the rest do
-  // nothing and return success. If a function is not expected to be called by
-  // PeerConnection an assertion is triggered if it is in fact called.
-  int64_t TimeUntilNextProcess() override;
-  void Process() override;
-
   int32_t ActiveAudioLayer(AudioLayer* audio_layer) const override;
 
   ErrorCode LastError() const override;
-  int32_t RegisterEventObserver(
-      webrtc::AudioDeviceObserver* event_callback) override;
 
   // Note: Calling this method from a callback may result in deadlock.
   int32_t RegisterAudioCallback(
       webrtc::AudioTransport* audio_callback) override;
 
   int32_t Init() override;
   int32_t Terminate() override;
   bool Initialized() const override;
 
   int16_t PlayoutDevices() override;
@@ skipping 126 matching lines @@
   // Starts the periodic calling of ProcessFrame() in a thread safe way.
   void StartProcessP();
   // Periodcally called function that ensures that frames are pulled and pushed
   // periodically if enabled/started.
   void ProcessFrameP();
   // Pulls frames from the registered webrtc::AudioTransport.
   void ReceiveFrameP();
   // Pushes frames to the registered webrtc::AudioTransport.
   void SendFrameP();
 
-  // The time in milliseconds when Process() was last called or 0 if no call
-  // has been made.
-  int64_t last_process_time_ms_;
-
   // Callback for playout and recording.
   webrtc::AudioTransport* audio_callback_;
 
   bool recording_; // True when audio is being pushed from the instance.
   bool playing_; // True when audio is being pulled by the instance.
 
   bool play_is_initialized_; // True when the instance is ready to pull audio.
   bool rec_is_initialized_; // True when the instance is ready to push audio.
 
   // Input to and output from RecordedDataIsAvailable(..) makes it possible to
@@ skipping 21 matching lines @@
 
   // Protects variables that are accessed from process_thread_ and
   // the main thread.
   rtc::CriticalSection crit_;
   // Protects |audio_callback_| that is accessed from process_thread_ and
   // the main thread.
   rtc::CriticalSection crit_callback_;
 };
 
 #endif  // PC_TEST_FAKEAUDIOCAPTUREMODULE_H_