Simplify VideoReader and VideoWriter

remoting/protocol/host_video_dispatcher.cc

+// Copyright 2014 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 "remoting/protocol/host_video_dispatcher.h"
+
+#include "base/bind.h"
+#include "net/socket/stream_socket.h"
+#include "remoting/base/constants.h"
+#include "remoting/proto/video.pb.h"
+#include "remoting/protocol/message_serialization.h"
+
+namespace remoting {
+namespace protocol {
+
+HostVideoDispatcher::HostVideoDispatcher()
+    : ChannelDispatcherBase(kVideoChannelName) {
+}
+
+HostVideoDispatcher::~HostVideoDispatcher() {
+}
+
+void HostVideoDispatcher::OnInitialized() {
+  // TODO(sergeyu): Provide WriteFailedCallback for the buffered writer.
+  writer_.Init(channel(), BufferedSocketWriter::WriteFailedCallback());
+}
+
+void HostVideoDispatcher::ProcessVideoPacket(scoped_ptr<VideoPacket> packet,
+                                             const base::Closure& done) {
+  writer_.Write(SerializeAndFrameMessage(*packet), done);
+}
+
+}  // namespace protocol
+}  // namespace remoting