Use macros to define pepper interfaces

ppapi/proxy/ppp_instance_private_proxy.cc

 // 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.
 
 #include "ppapi/proxy/ppp_instance_private_proxy.h"
 
 #include <algorithm>
 
 #include "ppapi/c/pp_var.h"
 #include "ppapi/c/private/ppp_instance_private.h"
@@ skipping 12 matching lines @@
   ReceiveSerializedVarReturnValue result;
   dispatcher->Send(new PpapiMsg_PPPInstancePrivate_GetInstanceObject(
       INTERFACE_ID_PPP_INSTANCE_PRIVATE, instance, &result));
   return result.Return(dispatcher);
 }
 
 static const PPP_Instance_Private instance_private_interface = {
   &GetInstanceObject
 };
 
-InterfaceProxy* CreateInstancePrivateProxy(Dispatcher* dispatcher,
-                                           const void* target_interface) {
-  return new PPP_Instance_Private_Proxy(dispatcher, target_interface);
+InterfaceProxy* CreateInstancePrivateProxy(Dispatcher* dispatcher) {
+  return new PPP_Instance_Private_Proxy(dispatcher);
 }
 
 }  // namespace
 
-PPP_Instance_Private_Proxy::PPP_Instance_Private_Proxy(
-    Dispatcher* dispatcher, const void* target_interface)
-    : InterfaceProxy(dispatcher, target_interface) {
+PPP_Instance_Private_Proxy::PPP_Instance_Private_Proxy(Dispatcher* dispatcher)
+    : InterfaceProxy(dispatcher),
+      ppp_instance_private_impl_(NULL) {
+  if (dispatcher->IsPlugin()) {
+    ppp_instance_private_impl_ = static_cast<const PPP_Instance_Private*>(
+        dispatcher->local_get_interface()(PPP_INSTANCE_PRIVATE_INTERFACE));
+  }
 }
 
 PPP_Instance_Private_Proxy::~PPP_Instance_Private_Proxy() {
 }
 
 // static
 const InterfaceProxy::Info* PPP_Instance_Private_Proxy::GetInfo() {
   static const Info info = {
     &instance_private_interface,
     PPP_INSTANCE_PRIVATE_INTERFACE,
@@ skipping 11 matching lines @@
                         OnMsgGetInstanceObject)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }
 
 void PPP_Instance_Private_Proxy::OnMsgGetInstanceObject(
     PP_Instance instance,
     SerializedVarReturnValue result) {
   result.Return(dispatcher(),
-                ppp_instance_private_target()->GetInstanceObject(instance));
+                ppp_instance_private_impl_->GetInstanceObject(instance));
 }
 
 }  // namespace proxy
 }  // namespace ppapi