Change the DidChangeView update to take a new ViewChanged resource.

ppapi/native_client/src/shared/ppapi_proxy/upcall_server.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.
 //
 // WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING
 //
 // Automatically generated code.  See srpcgen.py
 //
 // NaCl Simple Remote Procedure Call interface abstractions.
 
@@ skipping 28 matching lines @@
   );
 }
 
 }  // namespace
 
 NaClSrpcHandlerDesc PpbUpcalls::srpc_methods[] = {
   { "PPB_Core_CallOnMainThread:iii:", PPB_Core_CallOnMainThreadDispatcher },
   { NULL, NULL }
 };