WTF/std normalization: replace WTF::Vector::first() with ::front()

third_party/WebKit/Source/core/dom/DocumentOrderedMap.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights
  * reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 94 matching lines @@
     return;
 
   Member<MapEntry>& entry = it->value;
   DCHECK(entry->count);
   if (entry->count == 1) {
     DCHECK(!entry->element || entry->element == element);
     m_map.remove(it);
   } else {
     if (entry->element == element) {
       DCHECK(entry->orderedList.isEmpty() ||
-             entry->orderedList.first() == element);
+             entry->orderedList.front() == element);
       entry->element =
           entry->orderedList.size() > 1 ? entry->orderedList[1] : nullptr;
     }
     entry->count--;
     entry->orderedList.clear();
   }
 }
 
 template <bool keyMatches(const AtomicString&, const Element&)>
 inline Element* DocumentOrderedMap::get(const AtomicString& key,
@@ skipping 53 matching lines @@
              entry->element ? entry->element.get()
                             : ElementTraversal::firstWithin(scope->rootNode());
          entry->orderedList.size() < entry->count;
          element = ElementTraversal::next(*element)) {
       DCHECK(element);
       if (!keyMatchesId(key, *element))
         continue;
       entry->orderedList.uncheckedAppend(element);
     }
     if (!entry->element)
-      entry->element = entry->orderedList.first();
+      entry->element = entry->orderedList.front();
   }
 
   return entry->orderedList;
 }
 
 Element* DocumentOrderedMap::getElementByMapName(const AtomicString& key,
                                                  const TreeScope* scope) const {
   return get<keyMatchesMapName>(key, scope);
 }
 
@@ skipping 17 matching lines @@
 DEFINE_TRACE(DocumentOrderedMap) {
   visitor->trace(m_map);
 }
 
 DEFINE_TRACE(DocumentOrderedMap::MapEntry) {
   visitor->trace(element);
   visitor->trace(orderedList);
 }
 
 }  // namespace blink