Cleanup channel dispatchers

remoting/protocol/audio_writer.cc

Index: remoting/protocol/audio_writer.cc
diff --git a/remoting/protocol/audio_writer.cc b/remoting/protocol/audio_writer.cc
index a6c8f4b2dd62103aa021c6f0c2a1dbf6775a9c65..be60d2e6955f9a02ee10a7b86627093babbfea3f 100644
--- a/remoting/protocol/audio_writer.cc
+++ b/remoting/protocol/audio_writer.cc
@@ -22,15 +22,9 @@ AudioWriter::AudioWriter()
 AudioWriter::~AudioWriter() {
 }
 
-void AudioWriter::OnInitialized() {
-  // TODO(sergeyu): Provide a non-null WriteFailedCallback for the writer.
-  buffered_writer_.Init(
-      channel(), BufferedSocketWriter::WriteFailedCallback());
-}
-
 void AudioWriter::ProcessAudioPacket(scoped_ptr<AudioPacket> packet,
                                      const base::Closure& done) {
-  buffered_writer_.Write(SerializeAndFrameMessage(*packet), done);
+  writer()->Write(SerializeAndFrameMessage(*packet), done);
 }
 
 // static