Remove deprecated (and unused) method.

content/renderer/media/webrtc_audio_device_not_impl.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_RENDERER_MEDIA_WEBRTC_AUDIO_DEVICE_NOT_IMPL_H_
 #define CONTENT_RENDERER_MEDIA_WEBRTC_AUDIO_DEVICE_NOT_IMPL_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/time/time.h"
@@ skipping 10 matching lines @@
 // to maintain.
 class CONTENT_EXPORT WebRtcAudioDeviceNotImpl
     : NON_EXPORTED_BASE(public webrtc::AudioDeviceModule) {
  public:
   WebRtcAudioDeviceNotImpl();
 
   // webrtc::Module implementation.
   // TODO(henrika): it is possible to add functionality in these methods.
   // Only adding very basic support for now without triggering any callback
   // in the webrtc::AudioDeviceObserver interface.
-  int32_t ChangeUniqueId(const int32_t id) override;
   int64_t TimeUntilNextProcess() override;
   int32_t Process() override;
 
   // Methods in webrtc::AudioDeviceModule which are not yet implemented.
   // The idea is that we can move methods from this class to the real
   // implementation in WebRtcAudioDeviceImpl when needed.
 
   int32_t RegisterEventObserver(
       webrtc::AudioDeviceObserver* event_callback) override;
   int32_t ActiveAudioLayer(AudioLayer* audio_layer) const override;
@@ skipping 66 matching lines @@
   ~WebRtcAudioDeviceNotImpl() override{};
 
  private:
   base::TimeTicks last_process_time_;
   DISALLOW_COPY_AND_ASSIGN(WebRtcAudioDeviceNotImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_WEBRTC_AUDIO_DEVICE_NOT_IMPL_H_