Make a global enum to differentiate impl & proxy.

webkit/plugins/ppapi/ppb_file_chooser_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_chooser_impl.h"
 
 #include <string>
 #include <vector>
 
 #include "base/logging.h"
@@ skipping 51 matching lines @@
  private:
   scoped_refptr<PPB_FileChooser_Impl> file_chooser_;
 };
 
 }  // namespace
 
 PPB_FileChooser_Impl::PPB_FileChooser_Impl(
     PP_Instance instance,
     PP_FileChooserMode_Dev mode,
     const char* accept_mime_types)
-    : Resource(instance),
+    : Resource(::ppapi::OBJECT_IS_IMPL, instance),
       mode_(mode),
       next_chosen_file_index_(0) {
   if (accept_mime_types)
     accept_mime_types_ = std::string(accept_mime_types);
 }
 
 PPB_FileChooser_Impl::~PPB_FileChooser_Impl() {
 }
 
 // static
@@ skipping 125 matching lines @@
       continue;
     StringToLowerASCII(&mime_type);
     normalized_mime_type_list.push_back(WebString::fromUTF8(mime_type.data(),
                                                             mime_type.size()));
   }
   return normalized_mime_type_list;
 }
 
 }  // namespace ppapi
 }  // namespace webkit