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

third_party/WebKit/Source/core/page/CustomContextMenuProvider.cpp

 // Copyright 2014 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 "core/page/CustomContextMenuProvider.h"
 
 #include "core/dom/Document.h"
 #include "core/dom/ElementTraversal.h"
 #include "core/events/EventDispatcher.h"
 #include "core/events/MouseEvent.h"
@@ skipping 40 matching lines @@
   m_subjectElement = nullptr;
 }
 
 void CustomContextMenuProvider::appendSeparator(ContextMenu& contextMenu) {
   // Avoid separators at the start of any menu and submenu.
   if (!contextMenu.items().size())
     return;
 
   // Collapse all sequences of two or more adjacent separators in the menu or
   // any submenus to a single separator.
-  ContextMenuItem lastItem = contextMenu.items().last();
+  ContextMenuItem lastItem = contextMenu.items().back();
   if (lastItem.type() == SeparatorType)
     return;
 
   contextMenu.appendItem(ContextMenuItem(
       SeparatorType, ContextMenuItemCustomTagNoAction, String(), String()));
 }
 
 void CustomContextMenuProvider::appendMenuItem(HTMLMenuItemElement* menuItem,
                                                ContextMenu& contextMenu) {
   // Avoid menuitems with no label.
@@ skipping 52 matching lines @@
           ContextMenuItemLastCustomTag)
         break;
       nextElement = Traversal<HTMLElement>::next(*nextElement, &menu);
     } else {
       nextElement = Traversal<HTMLElement>::next(*nextElement, &menu);
     }
   }
 
   // Remove separators at the end of the menu and any submenus.
   while (contextMenu.items().size() &&
-         contextMenu.items().last().type() == SeparatorType)
+         contextMenu.items().back().type() == SeparatorType)
     contextMenu.removeLastItem();
 }
 
 HTMLElement* CustomContextMenuProvider::menuItemAt(unsigned menuId) {
   int itemIndex = menuId - ContextMenuItemBaseCustomTag;
   if (itemIndex < 0 ||
       static_cast<unsigned long>(itemIndex) >= m_menuItems.size())
     return nullptr;
   return m_menuItems[itemIndex].get();
 }
 
 }  // namespace blink