Moving host status events monitoring to a separate interface (HostStatusMonitor).

remoting/host/resizing_host_observer.h

 // 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.
 
 #ifndef REMOTING_HOST_RESIZING_HOST_OBSERVER_H_
 #define REMOTING_HOST_RESIZING_HOST_OBSERVER_H_
 
 #include <string>
 
-#include "remoting/host/host_status_observer.h"
-#include "remoting/host/chromoting_host.h"
-
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
+#include "base/memory/weak_ptr.h"
+#include "remoting/host/host_status_observer.h"
 #include "third_party/skia/include/core/SkSize.h"
 
 namespace remoting {
 
 class DesktopResizer;
+class HostStatusMonitor;
 
 // Use the specified DesktopResizer to match host desktop size to the client
 // view size as closely as is possible. When the connection closes, restore
 // the original desktop size.
 class ResizingHostObserver : public HostStatusObserver {
  public:
-  ResizingHostObserver(DesktopResizer* desktop_resizer, ChromotingHost* host);
+  ResizingHostObserver(DesktopResizer* desktop_resizer,
+                       base::WeakPtr<HostStatusMonitor> monitor);
   virtual ~ResizingHostObserver();
 
   // HostStatusObserver interface
   virtual void OnClientAuthenticated(const std::string& jid) OVERRIDE;
   virtual void OnClientDisconnected(const std::string& jid) OVERRIDE;
   virtual void OnClientResolutionChanged(const std::string& jid,
                                          const SkISize& size,
                                          const SkIPoint& dpi) OVERRIDE;
 
  private:
   DesktopResizer* const desktop_resizer_;
-  scoped_refptr<ChromotingHost> host_;
+  base::WeakPtr<HostStatusMonitor> monitor_;
   SkISize original_size_;
   std::string client_jid_;
 
   DISALLOW_COPY_AND_ASSIGN(ResizingHostObserver);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_RESIZING_HOST_OBSERVER_H_