Use macros to define pepper interfaces

ppapi/proxy/ppp_class_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_class_proxy.h"
 
 #include "ppapi/c/dev/ppb_var_deprecated.h"
 #include "ppapi/c/dev/ppp_class_deprecated.h"
 #include "ppapi/proxy/dispatcher.h"
 #include "ppapi/proxy/interface_id.h"
@@ skipping 157 matching lines @@
 // implementation as the user data.
 void* ToUserData(int64 value) {
   return reinterpret_cast<void*>(static_cast<intptr_t>(value));
 }
 
 }  // namespace
 
 // PPP_Class_Proxy -------------------------------------------------------------
 
 PPP_Class_Proxy::PPP_Class_Proxy(Dispatcher* dispatcher)
-    : InterfaceProxy(dispatcher, NULL) {
+    : InterfaceProxy(dispatcher) {
 }
 
 PPP_Class_Proxy::~PPP_Class_Proxy() {
 }
 
 // static
+InterfaceProxy* PPP_Class_Proxy::Create(Dispatcher* dispatcher) {
+  return new PPP_Class_Proxy(dispatcher);
+}
+
+// static
 PP_Var PPP_Class_Proxy::CreateProxiedObject(const PPB_Var_Deprecated* var,
                                             Dispatcher* dispatcher,
                                             PP_Module module_id,
                                             int64 ppp_class,
                                             int64 class_data) {
   ObjectProxy* object_proxy = new ObjectProxy(dispatcher,
                                               ppp_class, class_data);
   return var->CreateObject(module_id, &class_interface, object_proxy);
 }
 
@@ skipping 94 matching lines @@
   result.Return(dispatcher(), ToPPPClass(ppp_class)->Construct(
       ToUserData(object), arg_count, args, exception.OutParam(dispatcher())));
 }
 
 void PPP_Class_Proxy::OnMsgDeallocate(int64 ppp_class, int64 object) {
   ToPPPClass(ppp_class)->Deallocate(ToUserData(object));
 }
 
 }  // namespace proxy
 }  // namespace ppapi