Revert 121920 - dbus: add ObjectPath type

dbus/mock_exported_object.h

Index: dbus/mock_exported_object.h
===================================================================
--- dbus/mock_exported_object.h	(revision 121922)
+++ dbus/mock_exported_object.h	(working copy)
@@ -1,4 +1,4 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// 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.
 
@@ -9,7 +9,6 @@
 #include <string>
 
 #include "dbus/exported_object.h"
-#include "dbus/object_path.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 namespace dbus {
@@ -19,7 +18,7 @@
  public:
   MockExportedObject(Bus* bus,
                      const std::string& service_name,
-                     const ObjectPath& object_path);
+                     const std::string& object_path);
   virtual ~MockExportedObject();
 
   MOCK_METHOD3(ExportMethodAndBlock,