Google codestyle prescribes sorting #include filenames within a section....

chrome/browser/chromeos/dom_ui/system_settings_provider.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 "chrome/browser/chromeos/dom_ui/system_settings_provider.h"
 
 #include <string>
 
-#include "base/time.h"
+#include "base/stl_util-inl.h"
 #include "base/string_util.h"
 #include "base/stringprintf.h"
-#include "base/stl_util-inl.h"
+#include "base/time.h"
 #include "base/time.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/chromeos/cros/cros_library.h"
 #include "chrome/browser/chromeos/cros_settings.h"
 #include "chrome/browser/chromeos/cros_settings_names.h"
 
 namespace chromeos {
 
 static const char* kTimeZonesUtf8[] = {
@@ skipping 117 matching lines @@
        iter != timezones_.end(); ++iter) {
     const icu::TimeZone* timezone = *iter;
     if (GetTimezoneID(*timezone) == timezone_id) {
       return timezone;
     }
   }
   return NULL;
 }
 
 }  // namespace chromeos