Cleaned up the WebRtcAudioCapturer a bit.

content/renderer/media/media_stream_dependency_factory.h

 // Copyright (c) 2012 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_MEDIA_STREAM_DEPENDENCY_FACTORY_H_
 #define CONTENT_RENDERER_MEDIA_MEDIA_STREAM_DEPENDENCY_FACTORY_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 200 matching lines @@
   virtual scoped_refptr<webrtc::VideoTrackInterface>
       CreateLocalVideoTrack(const std::string& id,
                             cricket::VideoCapturer* capturer);
 
   virtual bool EnsurePeerConnectionFactory();
   virtual bool PeerConnectionFactoryCreated();
 
   // Returns a new capturer or existing capturer based on the |render_view_id|
   // and |device_info|. When the |render_view_id| and |device_info| are valid,
   // it reuses existing capture if any; otherwise it creates a new capturer.
-  virtual scoped_refptr<WebRtcAudioCapturer> MaybeCreateAudioCapturer(
+  virtual scoped_refptr<WebRtcAudioCapturer> CreateAudioCapturer(
       int render_view_id, const StreamDeviceInfo& device_info,
       const blink::WebMediaConstraints& constraints);
 
  private:
   // Creates and deletes |pc_factory_|, which in turn is used for
   // creating PeerConnection objects.
   bool CreatePeerConnectionFactory();
 
   void InitializeWorkerThread(talk_base::Thread** thread,
                               base::WaitableEvent* event);
@@ skipping 39 matching lines @@
   base::Thread chrome_worker_thread_;
 
   base::PlatformFile aec_dump_file_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaStreamDependencyFactory);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_MEDIA_STREAM_DEPENDENCY_FACTORY_H_