Switch to standard integer types in ppapi/.

ppapi/tests/extensions/multicast_permissions/test_multicast_permissions.cc

 // Copyright 2015 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 <stdint.h>
+
 #include "ppapi/cpp/completion_callback.h"
 #include "ppapi/cpp/instance.h"
 #include "ppapi/cpp/module.h"
 #include "ppapi/cpp/tcp_socket.h"
 #include "ppapi/cpp/udp_socket.h"
 #include "ppapi/utility/completion_callback_factory.h"
 
 namespace {
 
 class MyInstance : public pp::Instance {
@@ skipping 47 matching lines @@
 
 }  // namespace
 
 namespace pp {
 
 Module* CreateModule() {
   return new MyModule();
 }
 
 }  // namespace pp