Track NPObject ownership by the originating plugins' NPP identifier. [2/3] (Chrome)

webkit/plugins/npapi/webplugin_delegate.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_NPAPI_WEBPLUGIN_DELEGATE_H_
 #define WEBKIT_PLUGINS_NPAPI_WEBPLUGIN_DELEGATE_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 65 matching lines @@
 
   // For windowless plugins, gives them a user event like mouse/keyboard.
   // Returns whether the event was handled. This is only called in windowsless
   // mode. See NPAPI NPP_HandleEvent for more information.
   virtual bool HandleInputEvent(const WebKit::WebInputEvent& event,
                                 WebKit::WebCursorInfo* cursor) = 0;
 
   // Gets the NPObject associated with the plugin for scripting.
   virtual NPObject* GetPluginScriptableObject() = 0;
 
+  // Gets the NPP instance uniquely identifying the plugin for its lifetime.
+  virtual struct _NPP* GetPluginNPP() = 0;
+
   // Gets the form value associated with the plugin instance.
   // Returns false if the value is not available.
   virtual bool GetFormValue(base::string16* value) = 0;
 
   // Receives notification about a resource load that the plugin initiated
   // for a frame.
   virtual void DidFinishLoadWithReason(const GURL& url, NPReason reason,
                                        int notify_id) = 0;
 
   // Returns the process id of the process that is running the plugin.
@@ skipping 31 matching lines @@
   // Creates a WebPluginResourceClient instance for an existing stream that is
   // has become seekable.
   virtual WebPluginResourceClient* CreateSeekableResourceClient(
       unsigned long resource_id, int range_request_id) = 0;
 };
 
 }  // namespace npapi
 }  // namespace webkit
 
 #endif  // WEBKIT_PLUGINS_NPAPI_WEBPLUGIN_DELEGATE_H_