Integrated Pepper3D v2 with the accelerated compositor....

webkit/glue/plugins/plugin_instance.h

 // Copyright (c) 2010 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.
 
 // TODO: Need to deal with NPAPI's NPSavedData.
 //       I haven't seen plugins use it yet.
 
 #ifndef WEBKIT_GLUE_PLUGIN_PLUGIN_INSTANCE_H__
 #define WEBKIT_GLUE_PLUGIN_PLUGIN_INSTANCE_H__
 
@@ skipping 143 matching lines @@
   NPObject *GetPluginScriptableObject();
 
   // WebViewDelegate methods that we implement. This is for handling
   // callbacks during getURLNotify.
   void DidFinishLoadWithReason(const GURL& url, NPReason reason, int notify_id);
 
   // If true, send the Mozilla user agent instead of Chrome's to the plugin.
   bool use_mozilla_user_agent() { return use_mozilla_user_agent_; }
   void set_use_mozilla_user_agent() { use_mozilla_user_agent_ = true; }
 
+  // If the plugin instance is backed by a texture, return its ID in the
+  // compositor's namespace. Otherwise return 0. Returns 0 by default.
+  virtual unsigned GetBackingTextureId();
+
   // Helper that implements NPN_PluginThreadAsyncCall semantics
   void PluginThreadAsyncCall(void (*func)(void *),
                              void *userData);
 
   uint32 ScheduleTimer(uint32 interval,
                        NPBool repeat,
                        void (*func)(NPP id, uint32 timer_id));
 
   void UnscheduleTimer(uint32 timer_id);
 
@@ skipping 176 matching lines @@
   }
  private:
   scoped_refptr<PluginInstance> instance_;
   DISALLOW_COPY_AND_ASSIGN(ScopedCurrentPluginEvent);
 };
 #endif
 
 } // namespace NPAPI
 
 #endif  // WEBKIT_GLUE_PLUGIN_PLUGIN_INSTANCE_H__