[PPAPI] ResourceVar now holds a pending renderer and browser host ID.

ppapi/proxy/raw_var_data.h

 // Copyright (c) 2013 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 PPAPI_PROXY_RAW_VAR_DATA_H_
 #define PPAPI_PROXY_RAW_VAR_DATA_H_
 
 #include <vector>
 
 #include "base/callback.h"
@@ skipping 265 matching lines @@
                      const HandleWriter& handle_writer) OVERRIDE;
   virtual bool Read(PP_VarType type,
                     const IPC::Message* m,
                     PickleIterator* iter) OVERRIDE;
 
  private:
   // Resource ID in the plugin. If one has not yet been created, this is 0.
   // This is a borrowed reference; the resource's refcount is not incremented.
   PP_Resource pp_resource_;
 
+  // Pending resource host ID in the renderer.
+  int pending_renderer_host_id_;
+
+  // Pending resource host ID in the browser.
+  int pending_browser_host_id_;
+
   // A message containing information about how to create a plugin-side
   // resource. The message type will vary based on the resource type, and will
   // usually contain a pending resource host ID, and other required information.
   // If the resource was created directly, this is NULL.
   scoped_ptr<IPC::Message> creation_message_;
 };
 
 }  // namespace proxy
 }  // namespace ppapi
 
 #endif  // PPAPI_PROXY_RAW_VAR_DATA_H_