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

third_party/WebKit/Source/core/events/EventPath.cpp

 /*
  * Copyright (C) 2013 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 118 matching lines @@
       for (const auto& insertionPoint : insertionPoints) {
         if (insertionPoint->isShadowInsertionPoint()) {
           ShadowRoot* containingShadowRoot =
               insertionPoint->containingShadowRoot();
           DCHECK(containingShadowRoot);
           if (!containingShadowRoot->isOldest())
             nodesInPath.append(containingShadowRoot->olderShadowRoot());
         }
         nodesInPath.append(insertionPoint);
       }
-      current = insertionPoints.last();
+      current = insertionPoints.back();
       continue;
     }
     if (current->isChildOfV1ShadowHost()) {
       if (HTMLSlotElement* slot = current->assignedSlot()) {
         current = slot;
         nodesInPath.append(current);
         continue;
       }
     }
     if (current->isShadowRoot()) {
@@ skipping 270 matching lines @@
 
 DEFINE_TRACE(EventPath) {
   visitor->trace(m_nodeEventContexts);
   visitor->trace(m_node);
   visitor->trace(m_event);
   visitor->trace(m_treeScopeEventContexts);
   visitor->trace(m_windowEventContext);
 }
 
 }  // namespace blink