WTF/std normalization: replace WTF::Vector::last with ::back

third_party/WebKit/Source/core/dom/shadow/ElementShadowV0.cpp

 /*
  * Copyright (C) 2012 Google 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.
  *     * Neither the name of Google Inc. nor the names of its
@@ skipping 127 matching lines @@
 ShadowRoot& ElementShadowV0::oldestShadowRoot() const {
   return m_elementShadow->oldestShadowRoot();
 }
 
 const InsertionPoint* ElementShadowV0::finalDestinationInsertionPointFor(
     const Node* key) const {
   DCHECK(key);
   DCHECK(!key->needsDistributionRecalc());
   NodeToDestinationInsertionPoints::const_iterator it =
       m_nodeToInsertionPoints.find(key);
-  return it == m_nodeToInsertionPoints.end() ? nullptr : it->value->last();
+  return it == m_nodeToInsertionPoints.end() ? nullptr : it->value->back();
 }
 
 const DestinationInsertionPoints*
 ElementShadowV0::destinationInsertionPointsFor(const Node* key) const {
   DCHECK(key);
   DCHECK(!key->needsDistributionRecalc());
   NodeToDestinationInsertionPoints::const_iterator it =
       m_nodeToInsertionPoints.find(key);
   return it == m_nodeToInsertionPoints.end() ? nullptr : it->value;
 }
@@ skipping 103 matching lines @@
 
 DEFINE_TRACE(ElementShadowV0) {
   visitor->trace(m_elementShadow);
   visitor->trace(m_nodeToInsertionPoints);
   visitor->trace(m_selectFeatures);
 }
 
 DEFINE_TRACE_WRAPPERS(ElementShadowV0) {}
 
 }  // namespace blink