Implements AudioMessageFilter as member in RenderThread

content/renderer/pepper_plugin_delegate_impl.cc

Index: content/renderer/pepper_plugin_delegate_impl.cc
===================================================================
--- content/renderer/pepper_plugin_delegate_impl.cc	(revision 88939)
+++ content/renderer/pepper_plugin_delegate_impl.cc	(working copy)
@@ -31,6 +31,7 @@
 #include "content/renderer/gpu/renderer_gl_context.h"
 #include "content/renderer/gpu/webgraphicscontext3d_command_buffer_impl.h"
 #include "content/renderer/media/audio_message_filter.h"
+#include "content/renderer/media/audio_message_filter_creator.h"
 #include "content/renderer/p2p/p2p_transport_impl.h"
 #include "content/renderer/pepper_platform_context_3d_impl.h"
 #include "content/renderer/pepper_platform_video_decoder_impl.h"
@@ -850,7 +851,7 @@
     uint32_t sample_rate, uint32_t sample_count,
     webkit::ppapi::PluginDelegate::PlatformAudio::Client* client) {
   scoped_refptr<PlatformAudioImpl> audio(
-      new PlatformAudioImpl(render_view_->audio_message_filter()));
+      new PlatformAudioImpl(AudioMessageFilterCreator::SharedFilter()));
   if (audio->Initialize(sample_rate, sample_count, client)) {
     // Balanced by Release invoked in PlatformAudioImpl::ShutDownOnIOThread().
     return audio.release();