Pass SessionConfig by reference instead of pointer.

remoting/protocol/video_reader.cc

 // Copyright (c) 2010 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"
 #include "remoting/protocol/rtp_video_reader.h"
 
 namespace remoting {
 namespace protocol {
 
 VideoReader::~VideoReader() { }
 
 // static
 VideoReader* VideoReader::Create(base::MessageLoopProxy* message_loop,
-                                 const SessionConfig* config) {
-  const ChannelConfig& video_config = config->video_config();
+                                 const SessionConfig& config) {
+  const ChannelConfig& video_config = config.video_config();
   if (video_config.transport == ChannelConfig::TRANSPORT_SRTP) {
     return new RtpVideoReader(message_loop);
   } else if (video_config.transport == ChannelConfig::TRANSPORT_STREAM) {
     if (video_config.codec == ChannelConfig::CODEC_VP8) {
       return new ProtobufVideoReader(VideoPacketFormat::ENCODING_VP8);
     } else if (video_config.codec == ChannelConfig::CODEC_ZIP) {
       return new ProtobufVideoReader(VideoPacketFormat::ENCODING_ZLIB);
     } else if (video_config.codec == ChannelConfig::CODEC_VERBATIM) {
       return new ProtobufVideoReader(VideoPacketFormat::ENCODING_VERBATIM);
     }
   }
   NOTREACHED();
   return NULL;
 }
 
 }  // namespace protocol
 }  // namespace remoting