FBTF: Remove unneeded headers from base/ (part 2)

chrome/browser/configuration_policy_provider_win.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/configuration_policy_provider_win.h"
 
 #include <userenv.h>
 
 #include <algorithm>
 
 #include "base/logging.h"
 #include "base/object_watcher.h"
 #include "base/registry.h"
 #include "base/scoped_ptr.h"
 #include "base/string_piece.h"
 #include "base/sys_string_conversions.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
-#include "base/waitable_event.h"
 #include "chrome/common/policy_constants.h"
 
 ConfigurationPolicyProviderWin::GroupPolicyChangeWatcher::
     GroupPolicyChangeWatcher(ConfigurationPolicyProvider* provider)
         : provider_(provider),
           user_policy_changed_event_(false, false),
           machine_policy_changed_event_(false, false) {
   CHECK(RegisterGPNotification(user_policy_changed_event_.handle(), false));
   CHECK(RegisterGPNotification(machine_policy_changed_event_.handle(), true));
   user_policy_watcher_.StartWatching(
@@ skipping 128 matching lines @@
         }
         break;
       default:
         NOTREACHED();
         return false;
     }
   }
 
   return true;
 }