dbus:Add FakeImageBurnerClient FakeSystemClockClient

chromeos/dbus/fake_system_clock_client.h

Index: chromeos/dbus/fake_system_clock_client.h
diff --git a/chromeos/dbus/fake_system_clock_client.h b/chromeos/dbus/fake_system_clock_client.h
new file mode 100644
index 0000000000000000000000000000000000000000..cea91a6dad3e5dfb464895430ce1ad77616c30eb
--- /dev/null
+++ b/chromeos/dbus/fake_system_clock_client.h
@@ -0,0 +1,29 @@
+// 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 CHROMEOS_DBUS_FAKE_SYSTEM_CLOCK_CLIENT_H_
+#define CHROMEOS_DBUS_FAKE_SYSTEM_CLOCK_CLIENT_H_
+
+#include "chromeos/dbus/system_clock_client.h"
+
+namespace chromeos {
+
+// A fake implementation of SystemClockClient. This class does nothing.
+class FakeSystemClockClient : public SystemClockClient {
+ public:
+  FakeSystemClockClient();
+  virtual ~FakeSystemClockClient();
+
+  // SystemClockClient overrides.
+  virtual void AddObserver(Observer* observer) OVERRIDE;
+  virtual void RemoveObserver(Observer* observer) OVERRIDE;
+  virtual bool HasObserver(Observer* observer) OVERRIDE;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(FakeSystemClockClient);
+};
+
+}  // namespace chromeos
+
+#endif  // CHROMEOS_DBUS_FAKE_SYSTEM_CLOCK_CLIENT_H_