Add mock classes for Bus, ObjectProxy, and ExportedObject.

dbus/mock_exported_object.h

Index: dbus/mock_exported_object.h
diff --git a/dbus/mock_exported_object.h b/dbus/mock_exported_object.h
new file mode 100644
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+++ b/dbus/mock_exported_object.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_EXPORTED_OBJECT_H_
+#define DBUS_MOCK_EXPORTED_OBJECT_H_
+#pragma once
+
+#include <string>
+
+#include "dbus/exported_object.h"
+#include "testing/gmock/include/gmock/gmock.h"
+
+namespace dbus {
+
+// Mock for ExportedObject.
+class MockExportedObject : public ExportedObject {
+ public:
+  MockExportedObject(Bus* bus,
+                     const std::string& service_name,
+                     const std::string& object_path);
+  virtual ~MockExportedObject();
+
+  MOCK_METHOD3(ExportMethodAndBlock,
+               bool(const std::string& interface_name,
+                    const std::string& method_name,
+                    MethodCallCallback method_call_callback));
+  MOCK_METHOD4(ExportMethod,
+               void(const std::string& interface_name,
+                    const std::string& method_name,
+                    MethodCallCallback method_call_callback,
+                    OnExportedCallback on_exported_callback));
+  MOCK_METHOD1(SendSignal, void(Signal* signal));
+  MOCK_METHOD0(Unregister, void());
+};
+
+}  // namespace dbus
+
+#endif  // DBUS_MOCK_EXPORTED_OBJECT_H_