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

webkit/plugins/ppapi/ppb_file_ref_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_REF_IMPL_H_
 #define WEBKIT_PLUGINS_PPAPI_PPB_FILE_REF_IMPL_H_
 
 #include <string>
 
 #include "base/file_path.h"
@@ skipping 18 matching lines @@
                    const std::string& validated_path);
   PPB_FileRef_Impl(PluginInstance* instance,
                    const FilePath& external_file_path);
   virtual ~PPB_FileRef_Impl();
 
   static PP_Resource Create(PP_Resource file_system, const char* path);
 
   // Resource overrides.
   virtual PPB_FileRef_Impl* AsPPB_FileRef_Impl();
 
-  // ResourceObjectBase overrides.
+  // Resource overrides.
   virtual ::ppapi::thunk::PPB_FileRef_API* AsPPB_FileRef_API() OVERRIDE;
 
   // PPB_FileRef_API implementation.
   virtual PP_FileSystemType GetFileSystemType() const OVERRIDE;
   virtual PP_Var GetName() const OVERRIDE;
   virtual PP_Var GetPath() const OVERRIDE;
   virtual PP_Resource GetParent() OVERRIDE;
   virtual int32_t MakeDirectory(PP_Bool make_ancestors,
                                 PP_CompletionCallback callback) OVERRIDE;
   virtual int32_t Touch(PP_Time last_access_time,
@@ skipping 24 matching lines @@
   std::string virtual_path_;  // UTF-8 encoded
   FilePath system_path_;
 
   DISALLOW_COPY_AND_ASSIGN(PPB_FileRef_Impl);
 };
 
 }  // namespace ppapi
 }  // namespace webkit
 
 #endif  // WEBKIT_PLUGINS_PPAPI_PPB_FILE_REF_IMPL_H_