Move AudioRendererImpl construction to WebMediaPlayerImpl.

content/renderer/render_view_impl.cc

 // 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.
 
 #include "content/renderer/render_view_impl.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/bind.h"
@@ skipping 2569 matching lines @@
           resource_context, gpu_channel_host, routing_id_));
 #endif
 
   media::MessageLoopFactory* message_loop_factory =
       new media::MessageLoopFactory();
   media::FilterCollection* collection = new media::FilterCollection();
   RenderMediaLog* render_media_log = new RenderMediaLog();
 
   RenderAudioSourceProvider* audio_source_provider = NULL;
 
-  // Add in any custom filter factories first.
+  // |audio_source_provider| "provides" audio to WebKit and is a sink from the
+  // perspective of the audio renderer.
   if (!cmd_line->HasSwitch(switches::kDisableAudio)) {
-    // audio_source_provider is a "provider" to WebKit, and a sink
-    // from the perspective of the audio renderer.
     audio_source_provider = new RenderAudioSourceProvider(routing_id_);
-
-    // Add the chrome specific audio renderer, using audio_source_provider
-    // as the sink.
-    media::AudioRendererImpl* audio_renderer =
-        new media::AudioRendererImpl(audio_source_provider);
-    collection->AddAudioRenderer(audio_renderer);
   }
 
   WebGraphicsContext3DCommandBufferImpl* context3d = NULL;
   if (!cmd_line->HasSwitch(switches::kDisableAcceleratedVideoDecode))
     context3d = RenderThreadImpl::current()->GetGpuVDAContext3D();
   if (context3d) {
     scoped_refptr<base::MessageLoopProxy> factories_loop =
         RenderThreadImpl::current()->compositor_thread() ?
         RenderThreadImpl::current()->compositor_thread()->GetWebThread()
             ->message_loop()->message_loop_proxy() :
@@ skipping 3870 matching lines @@
 }
 #endif
 
 void RenderViewImpl::OnReleaseDisambiguationPopupDIB(
     TransportDIB::Handle dib_handle) {
   TransportDIB* dib = TransportDIB::CreateWithHandle(dib_handle);
   RenderProcess::current()->ReleaseTransportDIB(dib);
 }
 
 }  // namespace content