Cleanup for r93201.

base/message_pump_libevent_unittest.cc

 // Copyright (c) 2011 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 "base/message_pump_libevent.h"
 
 #include <unistd.h>
 
 #include "base/message_loop.h"
 #include "base/threading/thread.h"
-#include "build/build_config.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 #if defined(USE_SYSTEM_LIBEVENT)
 #include <event.h>
 #else
 #include "third_party/libevent/event.h"
 #endif
 
 namespace base {
 
@@ skipping 115 matching lines @@
   pump->WatchFileDescriptor(
       0, false, MessagePumpLibevent::WATCH_READ_WRITE, &watcher, &delegate);
 
   // Spoof a libevent notification.
   OnLibeventNotification(pump, &watcher);
 }
 
 }  // namespace
 
 }  // namespace base