Integrated Pepper3D v2 with the accelerated compositor....

webkit/glue/plugins/plugin_instance.h

Index: webkit/glue/plugins/plugin_instance.h
===================================================================
--- webkit/glue/plugins/plugin_instance.h	(revision 65093)
+++ webkit/glue/plugins/plugin_instance.h	(working copy)
@@ -161,6 +161,10 @@
   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);