Refactor content::RenderAudioSourceProvider as webkit_media::WebAudioSourceProviderImpl.

webkit/media/webmediaplayer_params.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 "webkit/media/webmediaplayer_params.h"
 
 #include "media/base/audio_renderer_sink.h"
 #include "media/base/media_log.h"
 
 namespace webkit_media {
 
 WebMediaPlayerParams::WebMediaPlayerParams(
-    WebKit::WebAudioSourceProvider* audio_source_provider,
     const scoped_refptr<media::AudioRendererSink>& audio_renderer_sink,
     const scoped_refptr<media::GpuVideoDecoder::Factories>& gpu_factories,
     MediaStreamClient* media_stream_client,
     const scoped_refptr<media::MediaLog>& media_log)
-    : audio_source_provider_(audio_source_provider),
-      audio_renderer_sink_(audio_renderer_sink),
+    : audio_renderer_sink_(audio_renderer_sink),
       gpu_factories_(gpu_factories),
       media_stream_client_(media_stream_client),
       media_log_(media_log) {
   DCHECK(media_log_);
 }
 
 WebMediaPlayerParams::~WebMediaPlayerParams() {}
 
 }  // namespace webkit_media