Added HostKeyPair class, signatures for heartbeat messages.

remoting/jingle_glue/jingle_thread.h

 // 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.
 
 #ifndef REMOTING_JINGLE_GLUE_JINGLE_THREAD_H_
 #define REMOTING_JINGLE_GLUE_JINGLE_THREAD_H_
 
 #include "base/tracked_objects.h"
 #include "base/waitable_event.h"
 #include "third_party/libjingle/source/talk/base/messagequeue.h"
@@ skipping 36 matching lines @@
 
   // Returns Chromiums message loop for this thread.
   // TODO(sergeyu): remove this method when we use base::Thread instead of
   // talk_base::Thread
   MessageLoop* message_loop() { return message_loop_; }
 
   // Returns task pump if the thread is running, otherwise NULL is returned.
   TaskPump* task_pump() { return task_pump_; }
 
  private:
+  friend class HeartbeatSenderTest;
+
   virtual void OnMessage(talk_base::Message* msg);
 
   void PumpAuxiliaryLoops();
 
   TaskPump* task_pump_;
   base::WaitableEvent started_event_;
   MessageLoop* message_loop_;
 
   DISALLOW_COPY_AND_ASSIGN(JingleThread);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_JINGLE_GLUE_JINGLE_THREAD_H_