Add mock classes for Bus, ObjectProxy, and ExportedObject.

dbus/mock_object_proxy.h

Index: dbus/mock_object_proxy.h
diff --git a/dbus/mock_object_proxy.h b/dbus/mock_object_proxy.h
new file mode 100644
index 0000000000000000000000000000000000000000..b5d44777b7035cba9b8a0a3c638a92091002d121
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+++ b/dbus/mock_object_proxy.h
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+// Copyright (c) 2011 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 DBUS_MOCK_OBJECT_PROXY_H_
+#define DBUS_MOCK_OBJECT_PROXY_H_
+#pragma once
+
+#include <string>
+
+#include "dbus/object_proxy.h"
+#include "testing/gmock/include/gmock/gmock.h"
+
+namespace dbus {
+
+// Mock for ObjectProxy.
+class MockObjectProxy : public ObjectProxy {
+ public:
+  MockObjectProxy(Bus* bus,
+                  const std::string& service_name,
+                  const std::string& object_path);
+  virtual ~MockObjectProxy();
+
+  MOCK_METHOD2(CallMethodAndBlock, Response*(MethodCall* method_call,
+                                             int timeout_ms));
+  MOCK_METHOD3(CallMethod, void(MethodCall* method_call,
+                                int timeout_ms,
+                                ResponseCallback callback));
+  MOCK_METHOD4(ConnectToSignal,
+               void(const std::string& interface_name,
+                    const std::string& signal_name,
+                    SignalCallback signal_callback,
+                    OnConnectedCallback on_connected_callback));
+  MOCK_METHOD0(Detach, void());
+};
+
+}  // namespace dbus
+
+#endif  // DBUS_MOCK_OBJECT_PROXY_H_