Make a global enum to differentiate impl & proxy.

ppapi/proxy/ppb_flash_menu_proxy.cc

 // 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.
 
 #include "ppapi/proxy/ppb_flash_menu_proxy.h"
 
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/private/ppb_flash_menu.h"
 #include "ppapi/proxy/enter_proxy.h"
 #include "ppapi/proxy/ppapi_messages.h"
@@ skipping 25 matching lines @@
   void ShowACK(int32_t selected_id, int32_t result);
 
  private:
   scoped_refptr<TrackedCallback> callback_;
   int32_t* selected_id_ptr_;
 
   DISALLOW_COPY_AND_ASSIGN(FlashMenu);
 };
 
 FlashMenu::FlashMenu(const HostResource& resource)
-    : Resource(resource),
+    : Resource(OBJECT_IS_PROXY, resource),
       selected_id_ptr_(NULL) {
 }
 
 FlashMenu::~FlashMenu() {
 }
 
 PPB_Flash_Menu_API* FlashMenu::AsPPB_Flash_Menu_API() {
   return this;
 }
 
@@ skipping 106 matching lines @@
   dispatcher()->Send(new PpapiMsg_PPBFlashMenu_ShowACK(
       API_ID_PPB_FLASH_MENU,
       request->menu,
       request->selected_id,
       result));
   delete request;
 }
 
 }  // namespace proxy
 }  // namespace ppapi