Change the DidChangeView update to take a new ViewChanged resource.

ppapi/native_client/tests/ppapi_messaging/ppapi_messaging.c

 /*
  * 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 <stdio.h>
 #include <string.h>
 
 #include "native_client/src/include/portability.h"
@@ skipping 81 matching lines @@
   UNREFERENCED_PARAMETER(argn);
   UNREFERENCED_PARAMETER(argv);
   return PP_TRUE;
 }
 
 void DidDestroy(PP_Instance instance) {
   UNREFERENCED_PARAMETER(instance);
 }
 
 void DidChangeView(PP_Instance instance,
-                   const struct PP_Rect* position,
-                   const struct PP_Rect* clip) {
+                   PP_Resource resource) {
   UNREFERENCED_PARAMETER(instance);
-  UNREFERENCED_PARAMETER(position);
-  UNREFERENCED_PARAMETER(clip);
+  UNREFERENCED_PARAMETER(resource);
 }
 
 void DidChangeFocus(PP_Instance instance,
                     PP_Bool has_focus) {
   UNREFERENCED_PARAMETER(instance);
   UNREFERENCED_PARAMETER(has_focus);
 }
 
 static PP_Bool HandleDocumentLoad(PP_Instance instance,
                                   PP_Resource url_loader) {
@@ skipping 26 matching lines @@
     return &instance_interface;
   } else if (0 == strncmp(PPP_MESSAGING_INTERFACE, interface_name,
                           strlen(PPP_MESSAGING_INTERFACE))) {
     static struct PPP_Messaging messaging_interface = {
       HandleMessage
     };
     return &messaging_interface;
   }
   return NULL;
 }