Create new class "CastTransport", which encapsulates the message read and write event loops.

extensions/browser/api/cast_channel/logger.h

 // 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.
 
 #ifndef EXTENSIONS_BROWSER_API_CAST_CHANNEL_LOGGER_H_
 #define EXTENSIONS_BROWSER_API_CAST_CHANNEL_LOGGER_H_
 
 #include <deque>
 #include <map>
 
@@ skipping 24 matching lines @@
 class Logger : public base::RefCounted<Logger> {
  public:
   // |clock|: Clock used for generating timestamps for the events. Owned by
   // this class.
   // |unix_epoch_time_ticks|: The TimeTicks that corresponds to Unix epoch.
   Logger(scoped_ptr<base::TickClock> clock,
          base::TimeTicks unix_epoch_time_ticks);
 
   // For newly created sockets. Will create an event and log a
   // CAST_SOCKET_CREATED event.
-  void LogNewSocketEvent(const CastSocket& cast_socket);
+  void LogNewSocketEvent(const CastSocketImpl& cast_socket);
 
   void LogSocketEvent(int channel_id, proto::EventType event_type);
   void LogSocketEventWithDetails(int channel_id,
                                  proto::EventType event_type,
                                  const std::string& details);
 
   // For events that involves socket / crypto operations that returns a value.
   void LogSocketEventWithRv(int channel_id,
                             proto::EventType event_type,
                             int rv);
@@ skipping 75 matching lines @@
 
   base::ThreadChecker thread_checker_;
 
   DISALLOW_COPY_AND_ASSIGN(Logger);
 };
 }  // namespace cast_channel
 }  // namespace api
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_API_CAST_CHANNEL_LOGGER_H_