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

webkit/plugins/ppapi/ppb_url_loader_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_URL_LOADER_IMPL_H_
 #define WEBKIT_PLUGINS_PPAPI_PPB_URL_LOADER_IMPL_H_
 
 #include <deque>
 
 #include "base/memory/ref_counted.h"
@@ skipping 18 matching lines @@
 class PPB_URLRequestInfo_Impl;
 class PPB_URLResponseInfo_Impl;
 
 class PPB_URLLoader_Impl : public Resource,
                            public ::ppapi::thunk::PPB_URLLoader_API,
                            public WebKit::WebURLLoaderClient {
  public:
   PPB_URLLoader_Impl(PluginInstance* instance, bool main_document_loader);
   virtual ~PPB_URLLoader_Impl();
 
-  // ResourceObjectBase overrides.
+  // Resource overrides.
   virtual ::ppapi::thunk::PPB_URLLoader_API* AsPPB_URLLoader_API() OVERRIDE;
-
-  // Resource overrides.
-  virtual void ClearInstance() OVERRIDE;
+  virtual void InstanceWasDeleted() OVERRIDE;
 
   // PPB_URLLoader_API implementation.
   virtual int32_t Open(PP_Resource request_id,
                        PP_CompletionCallback callback) OVERRIDE;
   virtual int32_t FollowRedirect(PP_CompletionCallback callback) OVERRIDE;
   virtual PP_Bool GetUploadProgress(int64_t* bytes_sent,
                                     int64_t* total_bytes_to_be_sent) OVERRIDE;
   virtual PP_Bool GetDownloadProgress(
       int64_t* bytes_received,
       int64_t* total_bytes_to_be_received) OVERRIDE;
@@ skipping 89 matching lines @@
 
   PP_URLLoaderTrusted_StatusCallback status_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(PPB_URLLoader_Impl);
 };
 
 }  // namespace ppapi
 }  // namespace webkit
 
 #endif  // WEBKIT_PLUGINS_PPAPI_PPB_URL_LOADER_IMPL_H_