Header cleanup in base....

base/message_loop.cc

 // Copyright (c) 2010 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_loop.h"
 
 #include <algorithm>
 
 #include "base/compiler_specific.h"
 #include "base/histogram.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "base/message_pump_default.h"
-#include "base/string_util.h"
 #include "base/thread_local.h"
 
 #if defined(OS_MACOSX)
 #include "base/message_pump_mac.h"
 #endif
 #if defined(OS_POSIX)
 #include "base/message_pump_libevent.h"
 #include "base/third_party/valgrind/valgrind.h"
 #endif
 #if defined(OS_POSIX) && !defined(OS_MACOSX)
@@ skipping 653 matching lines @@
                                            Watcher *delegate) {
   return pump_libevent()->WatchFileDescriptor(
       fd,
       persistent,
       static_cast<base::MessagePumpLibevent::Mode>(mode),
       controller,
       delegate);
 }
 
 #endif