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

webkit/plugins/ppapi/ppb_file_io_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_IO_IMPL_H_
 #define WEBKIT_PLUGINS_PPAPI_PPB_FILE_IO_IMPL_H_
 
 #include <queue>
 
 #include "base/basictypes.h"
@@ skipping 19 matching lines @@
 class PluginModule;
 class PPB_FileRef_Impl;
 class QuotaFileIO;
 
 class PPB_FileIO_Impl : public Resource,
                         public ::ppapi::thunk::PPB_FileIO_API {
  public:
   explicit PPB_FileIO_Impl(PluginInstance* instance);
   virtual ~PPB_FileIO_Impl();
 
-  // ResourceObjectBase overrides.
+  // Resource overrides.
   virtual ::ppapi::thunk::PPB_FileIO_API* AsPPB_FileIO_API() OVERRIDE;
 
   // PPB_FileIO_API implementation.
   virtual int32_t Open(PP_Resource file_ref,
                        int32_t open_flags,
                        PP_CompletionCallback callback) OVERRIDE;
   virtual int32_t Query(PP_FileInfo* info,
                         PP_CompletionCallback callback) OVERRIDE;
   virtual int32_t Touch(PP_Time last_access_time,
                         PP_Time last_modified_time,
@@ skipping 92 matching lines @@
   // of type PP_FILESYSTEMTYPE_LOCAL{PERSISTENT,TEMPORARY} is opened.
   scoped_ptr<QuotaFileIO> quota_file_io_;
 
   DISALLOW_COPY_AND_ASSIGN(PPB_FileIO_Impl);
 };
 
 }  // namespace ppapi
 }  // namespace webkit
 
 #endif  // WEBKIT_PLUGINS_PPAPI_PPB_FILE_IO_IMPL_H_