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

remoting/host/host_status_monitor_fake.h

+// Copyright (c) 2013 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_HOST_STATUS_MONITOR_FAKE_H_
+#define REMOTING_HOST_HOST_STATUS_MONITOR_FAKE_H_
+
+#include "base/memory/weak_ptr.h"
+#include "remoting/host/host_status_monitor.h"
+
+namespace remoting {
+
+// An implementation of HostStatusMonitor that does nothing.
+class HostStatusMonitorFake
+    : public base::SupportsWeakPtr<HostStatusMonitorFake>,
+      public HostStatusMonitor {
+ public:
+  virtual ~HostStatusMonitorFake() {}
+
+  // HostStatusMonitor interface.
+  virtual void AddStatusObserver(HostStatusObserver* observer) OVERRIDE {}
+  virtual void RemoveStatusObserver(HostStatusObserver* observer) OVERRIDE {}
+};
+
+}  // namespace remoting
+
+#endif  // REMOTING_HOST_HOST_STATUS_MONITOR_FAKE_H_