Move the refcounting from the proxy/impl resource object to the shared resource object base class.

webkit/plugins/ppapi/resource.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_RESOURCE_H_
 #define WEBKIT_PLUGINS_PPAPI_RESOURCE_H_
 
 #include "base/basictypes.h"
-#include "base/memory/ref_counted.h"
 #include "ppapi/c/pp_resource.h"
 #include "ppapi/shared_impl/resource_object_base.h"
 #include "webkit/plugins/ppapi/resource_tracker.h"
 
 namespace webkit {
 namespace ppapi {
 
-class Resource : public base::RefCountedThreadSafe<Resource>,
-                 public ::ppapi::ResourceObjectBase {
+class Resource : public ::ppapi::ResourceObjectBase {
  public:
   explicit Resource(PluginInstance* instance);
   virtual ~Resource();
 
   // Returns the instance owning this resource. This is generally to be
   // non-NULL except if the instance is destroyed and some code internal to the
   // PPAPI implementation is keeping a reference for some reason.
   PluginInstance* instance() const { return instance_; }
 
   // Clears the instance pointer when the associated PluginInstance will be
@@ skipping 55 matching lines @@
   // Non-owning pointer to our instance. See getter above.
   PluginInstance* instance_;
 
   DISALLOW_COPY_AND_ASSIGN(Resource);
 };
 
 }  // namespace ppapi
 }  // namespace webkit
 
 #endif  // WEBKIT_PLUGINS_PPAPI_RESOURCE_H_