Cleaned up the reader and writer create methods to return scoped_ptr.

remoting/protocol/video_reader.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 "remoting/protocol/video_reader.h"
 
 #include "remoting/protocol/session_config.h"
 #include "remoting/protocol/protobuf_video_reader.h"
 
 namespace remoting {
 namespace protocol {
 
 VideoReader::~VideoReader() { }
 
 // static
-VideoReader* VideoReader::Create(const SessionConfig& config) {
+scoped_ptr<VideoReader> VideoReader::Create(const SessionConfig& config) {
   const ChannelConfig& video_config = config.video_config();
   if (video_config.transport == ChannelConfig::TRANSPORT_STREAM) {
     if (video_config.codec == ChannelConfig::CODEC_VP8) {
-      return new ProtobufVideoReader(VideoPacketFormat::ENCODING_VP8);
+      return scoped_ptr<VideoReader>(
+          new ProtobufVideoReader(VideoPacketFormat::ENCODING_VP8));
     } else if (video_config.codec == ChannelConfig::CODEC_ZIP) {
-      return new ProtobufVideoReader(VideoPacketFormat::ENCODING_ZLIB);
+      return scoped_ptr<VideoReader>(
+          new ProtobufVideoReader(VideoPacketFormat::ENCODING_ZLIB));
     } else if (video_config.codec == ChannelConfig::CODEC_VERBATIM) {
-      return new ProtobufVideoReader(VideoPacketFormat::ENCODING_VERBATIM);
+      return scoped_ptr<VideoReader>(
+          new ProtobufVideoReader(VideoPacketFormat::ENCODING_VERBATIM));
     }
   }
   NOTREACHED();
-  return NULL;
+  return scoped_ptr<VideoReader>(NULL);
 }
 
 }  // namespace protocol
 }  // namespace remoting