components: Use stl utilities from the base namespace

components/prefs/pref_notifier_impl.cc

 // Copyright (c) 2012 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 "components/prefs/pref_notifier_impl.h"
 
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "components/prefs/pref_service.h"
 
@@ skipping 14 matching lines @@
     PrefObserverList::Iterator obs_iterator(it->second);
     if (obs_iterator.GetNext()) {
       LOG(WARNING) << "pref observer found at shutdown " << it->first;
     }
   }
 
   // Same for initialization observers.
   if (!init_observers_.empty())
     LOG(WARNING) << "Init observer found at shutdown.";
 
-  STLDeleteContainerPairSecondPointers(pref_observers_.begin(),
-                                       pref_observers_.end());
+  base::STLDeleteContainerPairSecondPointers(pref_observers_.begin(),
+                                             pref_observers_.end());
   pref_observers_.clear();
   init_observers_.clear();
 }
 
 void PrefNotifierImpl::AddPrefObserver(const std::string& path,
                                        PrefObserver* obs) {
   // Get the pref observer list associated with the path.
   PrefObserverList* observer_list = NULL;
   const PrefObserverMap::iterator observer_iterator =
       pref_observers_.find(path);
@@ skipping 61 matching lines @@
 
   FOR_EACH_OBSERVER(PrefObserver,
                     *(observer_iterator->second),
                     OnPreferenceChanged(pref_service_, path));
 }
 
 void PrefNotifierImpl::SetPrefService(PrefService* pref_service) {
   DCHECK(pref_service_ == NULL);
   pref_service_ = pref_service;
 }