Replace the use of an int32* with a proper struct for decoder configuration.

ppapi/tests/test_video_decoder.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/tests/test_video_decoder.h"
 
 #include "ppapi/c/dev/ppb_video_decoder_dev.h"
 #include "ppapi/c/dev/ppb_testing_dev.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/ppb_var.h"
@@ skipping 10 matching lines @@
 void TestVideoDecoder::RunTest() {
   RUN_TEST(CreateFailure);
 }
 
 void TestVideoDecoder::QuitMessageLoop() {
   testing_interface_->QuitMessageLoop(instance_->pp_instance());
 }
 
 std::string TestVideoDecoder::TestCreateFailure() {
   PP_Resource decoder = video_decoder_interface_->Create(
-      instance_->pp_instance(), 0, NULL);
+      instance_->pp_instance(), 0, static_cast<PP_VideoDecoder_Profile>(-1));
   if (decoder != 0)
     return "Create: error detecting invalid context & configs";
 
   PASS();
 }