Switch to standard integer types in ppapi/.

ppapi/shared_impl/ppb_input_event_shared.cc

 // Copyright (c) 2012 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/shared_impl/ppb_input_event_shared.h"
 
+#include <stddef.h>
+
 #include "ppapi/shared_impl/ppapi_globals.h"
 #include "ppapi/shared_impl/var.h"
 
 using ppapi::thunk::PPB_InputEvent_API;
 
 namespace ppapi {
 
 InputEventData::InputEventData()
     : is_filtered(false),
       event_type(PP_INPUTEVENT_TYPE_UNDEFINED),
@@ skipping 314 matching lines @@
     return 0;
 
   InputEventData data;
   data.event_type = event_type;
   data.event_time_stamp = time_stamp;
   data.event_modifiers = modifiers;
   return (new PPB_InputEvent_Shared(type, instance, data))->GetReference();
 }
 
 }  // namespace ppapi