dbus: add ObjectPath type

dbus/mock_bus.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 DBUS_MOCK_BUS_H_
 #define DBUS_MOCK_BUS_H_
 #pragma once
 
 #include "dbus/bus.h"
+#include "dbus/object_path.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 namespace dbus {
 
 // Mock for Bus class. Along with MockObjectProxy and MockExportedObject,
 // the mock classes can be used to write unit tests without issuing real
 // D-Bus calls.
 class MockBus : public Bus {
  public:
   MockBus(Bus::Options& options);
   virtual ~MockBus();
 
   MOCK_METHOD2(GetObjectProxy, ObjectProxy*(const std::string& service_name,
-                                            const std::string& object_path));
+                                            const ObjectPath& object_path));
   MOCK_METHOD3(GetObjectProxyWithOptions,
                ObjectProxy*(const std::string& service_name,
-                            const std::string& object_path,
+                            const ObjectPath& object_path,
                             int options));
   MOCK_METHOD2(GetExportedObject, ExportedObject*(
       const std::string& service_name,
-      const std::string& object_path));
+      const ObjectPath& object_path));
   MOCK_METHOD0(ShutdownAndBlock, void());
   MOCK_METHOD0(ShutdownOnDBusThreadAndBlock, void());
   MOCK_METHOD0(Connect, bool());
   MOCK_METHOD1(RequestOwnership, bool(const std::string& service_name));
   MOCK_METHOD1(ReleaseOwnership, bool(const std::string& service_name));
   MOCK_METHOD0(SetUpAsyncOperations, bool());
   MOCK_METHOD3(SendWithReplyAndBlock, DBusMessage*(DBusMessage* request,
                                                    int timeout_ms,
                                                    DBusError* error));
   MOCK_METHOD3(SendWithReply, void(DBusMessage* request,
                                    DBusPendingCall** pending_call,
                                    int timeout_ms));
   MOCK_METHOD2(Send, void(DBusMessage* request,
                           uint32* serial));
   MOCK_METHOD2(AddFilter, void(DBusHandleMessageFunction handle_message,
                                void* user_data));
   MOCK_METHOD2(RemoveFilter, void(DBusHandleMessageFunction handle_message,
                                   void* user_data));
   MOCK_METHOD2(AddMatch, void(const std::string& match_rule,
                               DBusError* error));
   MOCK_METHOD2(RemoveMatch, void(const std::string& match_rule,
                                  DBusError* error));
-  MOCK_METHOD4(TryRegisterObjectPath, bool(const std::string& object_path,
+  MOCK_METHOD4(TryRegisterObjectPath, bool(const ObjectPath& object_path,
                                            const DBusObjectPathVTable* vtable,
                                            void* user_data,
                                            DBusError* error));
-  MOCK_METHOD1(UnregisterObjectPath, void(const std::string& object_path));
+  MOCK_METHOD1(UnregisterObjectPath, void(const ObjectPath& object_path));
   MOCK_METHOD2(PostTaskToOriginThread, void(
       const tracked_objects::Location& from_here,
       const base::Closure& task));
   MOCK_METHOD2(PostTaskToDBusThread, void(
       const tracked_objects::Location& from_here,
       const base::Closure& task));
   MOCK_METHOD3(PostDelayedTaskToDBusThread, void(
       const tracked_objects::Location& from_here,
       const base::Closure& task,
       int delay_ms));
   MOCK_METHOD0(HasDBusThread, bool());
   MOCK_METHOD0(AssertOnOriginThread, void());
   MOCK_METHOD0(AssertOnDBusThread, void());
 };
 
 }  // namespace dbus
 
 #endif  // DBUS_MOCK_BUS_H_