Switch to standard integer types in ppapi/.

ppapi/tests/extensions/packaged_app/test_packaged_app.cc

 // Copyright (c) 2014 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 <pthread.h>
+#include <stddef.h>
+#include <stdint.h>
 #include <unistd.h>
 
 #include <sstream>
 #include <string>
 
 #include "native_client/src/untrusted/irt/irt.h"
 
 #include "ppapi/cpp/completion_callback.h"
 #include "ppapi/cpp/instance.h"
 #include "ppapi/cpp/module.h"
@@ skipping 154 matching lines @@
 
 }  // namespace
 
 namespace pp {
 
 Module* CreateModule() {
   return new MyModule();
 }
 
 }  // namespace pp