Switch to standard integer types in extensions/browser/.

extensions/browser/extension_function_util.cc

 // Copyright 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 <stddef.h>
+
 #include "extensions/browser/extension_function_util.h"
 
 namespace extensions {
 
 bool ReadOneOrMoreIntegers(base::Value* value, std::vector<int>* result) {
   if (value->IsType(base::Value::TYPE_INTEGER)) {
     int v = -1;
     if (!value->GetAsInteger(&v))
       return false;
     result->push_back(v);
     return true;
 
   } else if (value->IsType(base::Value::TYPE_LIST)) {
     base::ListValue* values = static_cast<base::ListValue*>(value);
     for (size_t i = 0; i < values->GetSize(); ++i) {
       int v = -1;
       if (!values->GetInteger(i, &v))
         return false;
       result->push_back(v);
     }
     return true;
   }
   return false;
 }
 
 } // namespace extensions