Make a global enum to differentiate impl & proxy.

webkit/plugins/ppapi/ppb_file_system_impl.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 "webkit/plugins/ppapi/ppb_file_system_impl.h"
 
 #include "base/memory/ref_counted.h"
 #include "ppapi/c/pp_completion_callback.h"
 #include "ppapi/c/ppb_file_system.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDocument.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebElement.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebPluginContainer.h"
 #include "webkit/fileapi/file_system_types.h"
 #include "webkit/plugins/ppapi/common.h"
 #include "webkit/plugins/ppapi/file_callbacks.h"
 #include "webkit/plugins/ppapi/plugin_delegate.h"
 #include "webkit/plugins/ppapi/plugin_module.h"
 #include "webkit/plugins/ppapi/ppapi_plugin_instance.h"
 #include "webkit/plugins/ppapi/ppb_directory_reader_impl.h"
 #include "webkit/plugins/ppapi/resource_helper.h"
 
 using ppapi::thunk::PPB_FileSystem_API;
 
 namespace webkit {
 namespace ppapi {
 
 PPB_FileSystem_Impl::PPB_FileSystem_Impl(PP_Instance instance,
                                          PP_FileSystemType type)
-    : Resource(instance),
+    : Resource(::ppapi::OBJECT_IS_IMPL, instance),
       type_(type),
       opened_(false),
       called_open_(false) {
   DCHECK(type_ != PP_FILESYSTEMTYPE_INVALID);
 }
 
 PPB_FileSystem_Impl::~PPB_FileSystem_Impl() {
 }
 
 // static
@@ skipping 47 matching lines @@
     return PP_ERROR_FAILED;
   return PP_OK_COMPLETIONPENDING;
 }
 
 PP_FileSystemType PPB_FileSystem_Impl::GetType() {
   return type_;
 }
 
 }  // namespace ppapi
 }  // namespace webkit