Revert of Switch to standard integer types in sandbox/.

sandbox/linux/bpf_dsl/test_trap_registry.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 "sandbox/linux/bpf_dsl/test_trap_registry.h"
 
-#include <stdint.h>
-
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace sandbox {
 namespace bpf_dsl {
 
 TestTrapRegistry::TestTrapRegistry() : map_() {}
 TestTrapRegistry::~TestTrapRegistry() {}
 
 uint16_t TestTrapRegistry::Add(TrapFnc fnc, const void* aux, bool safe) {
   EXPECT_TRUE(safe);
 
   const uint16_t next_id = map_.size() + 1;
   return map_.insert(std::make_pair(Key(fnc, aux), next_id)).first->second;
 }
 
 bool TestTrapRegistry::EnableUnsafeTraps() {
   ADD_FAILURE() << "Unimplemented";
   return false;
 }
 
 }  // namespace bpf_dsl
 }  // namespace sandbox