PPAPI: Make PPP_MessageHandler work in PNaCl

ppapi/proxy/message_handler.h

Index: ppapi/proxy/message_handler.h
diff --git a/ppapi/proxy/message_handler.h b/ppapi/proxy/message_handler.h
index 61ee639f0b1c2680f58c8c517aee7dd1dafdd7fa..d5ab2db5ceb720a0cee8f956e639bf9c291b7f3b 100644
--- a/ppapi/proxy/message_handler.h
+++ b/ppapi/proxy/message_handler.h
@@ -43,7 +43,7 @@ class PPAPI_PROXY_EXPORT MessageHandler {
   // |error| is an out-param that will be set on failure.
   static scoped_ptr<MessageHandler> Create(
       PP_Instance instance,
-      const PPP_MessageHandler_0_1* handler_if,
+      const PPP_MessageHandler_0_2* handler_if,
       void* user_data,
       PP_Resource message_loop,
       int32_t* error);
@@ -57,12 +57,12 @@ class PPAPI_PROXY_EXPORT MessageHandler {
 
  private:
   MessageHandler(PP_Instance instance,
-                 const PPP_MessageHandler_0_1* handler_if,
+                 const PPP_MessageHandler_0_2* handler_if,
                  void* user_data,
                  scoped_refptr<MessageLoopResource> message_loop);
 
   PP_Instance instance_;
-  const PPP_MessageHandler_0_1* handler_if_;
+  const PPP_MessageHandler_0_2* handler_if_;
   void* user_data_;
   scoped_refptr<MessageLoopResource> message_loop_;