WTF/std normalization: replace WTF::Vector::removeLast with ::pop_back

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

 /*
  * Copyright (C) 2011 Google Inc. All Rights Reserved.
  * Copyright (C) 2012 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 466 matching lines @@
   for (const TreeScope* tree = &other; tree; tree = tree->parentTreeScope())
     otherChain.append(tree);
 
   // Keep popping out the last elements of these chains until a mismatched pair
   // is found. If |this| and |other| belong to different documents, null will be
   // returned.
   const TreeScope* lastAncestor = nullptr;
   while (!thisChain.isEmpty() && !otherChain.isEmpty() &&
          thisChain.last() == otherChain.last()) {
     lastAncestor = thisChain.last();
-    thisChain.removeLast();
-    otherChain.removeLast();
+    thisChain.pop_back();
+    otherChain.pop_back();
   }
   return lastAncestor;
 }
 
 TreeScope* TreeScope::commonAncestorTreeScope(TreeScope& other) {
   return const_cast<TreeScope*>(
       static_cast<const TreeScope&>(*this).commonAncestorTreeScope(other));
 }
 
 bool TreeScope::isInclusiveAncestorOf(const TreeScope& scope) const {
@@ skipping 42 matching lines @@
   visitor->trace(m_parentTreeScope);
   visitor->trace(m_idTargetObserverRegistry);
   visitor->trace(m_selection);
   visitor->trace(m_elementsById);
   visitor->trace(m_imageMapsByName);
   visitor->trace(m_scopedStyleResolver);
   visitor->trace(m_radioButtonGroupScope);
 }
 
 }  // namespace blink