Revert 100748 - This patch tries to remove most of the manual registration for Pepper interfaces,...

ppapi/proxy/ppp_instance_private_proxy.h

Index: ppapi/proxy/ppp_instance_private_proxy.h
===================================================================
--- ppapi/proxy/ppp_instance_private_proxy.h	(revision 100753)
+++ ppapi/proxy/ppp_instance_private_proxy.h	(working copy)
@@ -20,11 +20,16 @@
 
 class PPP_Instance_Private_Proxy : public InterfaceProxy {
  public:
-  PPP_Instance_Private_Proxy(Dispatcher* dispatcher);
+  PPP_Instance_Private_Proxy(Dispatcher* dispatcher,
+                             const void* target_interface);
   virtual ~PPP_Instance_Private_Proxy();
 
   static const Info* GetInfo();
 
+  const PPP_Instance_Private* ppp_instance_private_target() const {
+    return reinterpret_cast<const PPP_Instance_Private*>(target_interface());
+  }
+
  private:
   // InterfaceProxy implementation.
   virtual bool OnMessageReceived(const IPC::Message& msg);
@@ -32,13 +37,6 @@
   // Message handlers.
   void OnMsgGetInstanceObject(PP_Instance instance,
                               SerializedVarReturnValue result);
-
-  // When this proxy is in the plugin side, this value caches the interface
-  // pointer so we don't have to retrieve it from the dispatcher each time.
-  // In the host, this value is always NULL.
-  const PPP_Instance_Private* ppp_instance_private_impl_;
-
-  DISALLOW_COPY_AND_ASSIGN(PPP_Instance_Private_Proxy);
 };
 
 }  // namespace proxy