Add a unified resource tracker shared between the proxy and the impl.

webkit/plugins/ppapi/ppb_file_chooser_impl.h

 // 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.
 
 #ifndef WEBKIT_PLUGINS_PPAPI_PPB_FILE_CHOOSER_IMPL_H_
 #define WEBKIT_PLUGINS_PPAPI_PPB_FILE_CHOOSER_IMPL_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 17 matching lines @@
   PPB_FileChooser_Impl(PluginInstance* instance,
                        const PP_FileChooserOptions_Dev* options);
   virtual ~PPB_FileChooser_Impl();
 
   static PP_Resource Create(PluginInstance* instance,
                             const PP_FileChooserOptions_Dev* options);
 
   // Resource overrides.
   virtual PPB_FileChooser_Impl* AsPPB_FileChooser_Impl();
 
-  // ResourceObjectBase overrides.
+  // Resource overrides.
   virtual ::ppapi::thunk::PPB_FileChooser_API* AsPPB_FileChooser_API() OVERRIDE;
 
   // Stores the list of selected files.
   void StoreChosenFiles(const std::vector<std::string>& files);
 
   // Check that |callback| is valid (only non-blocking operation is supported)
   // and that no callback is already pending. Returns |PP_OK| if okay, else
   // |PP_ERROR_...| to be returned to the plugin.
   int32_t ValidateCallback(const PP_CompletionCallback& callback);
 
@@ skipping 12 matching lines @@
   std::string accept_mime_types_;
   scoped_refptr<TrackedCompletionCallback> callback_;
   std::vector< scoped_refptr<PPB_FileRef_Impl> > chosen_files_;
   size_t next_chosen_file_index_;
 };
 
 }  // namespace ppapi
 }  // namespace webkit
 
 #endif  // WEBKIT_PLUGINS_PPAPI_PPB_FILE_CHOOSER_IMPL_H_