Migrate WTF::Vector::append() to ::push_back() [part 7 of N]

third_party/WebKit/Source/core/html/CollectionItemsCache.h

 /*
  * Copyright (C) 2012,2013 Google Inc. All rights reserved.
  * Copyright (C) 2014 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 68 matching lines @@
 
 template <class Collection, class NodeType>
 unsigned CollectionItemsCache<Collection, NodeType>::nodeCount(
     const Collection& collection) {
   if (this->isCachedNodeCountValid())
     return this->cachedNodeCount();
 
   NodeType* currentNode = collection.traverseToFirst();
   unsigned currentIndex = 0;
   while (currentNode) {
-    m_cachedList.append(currentNode);
+    m_cachedList.push_back(currentNode);
     currentNode = collection.traverseForwardToOffset(
         currentIndex + 1, *currentNode, currentIndex);
   }
 
   this->setCachedNodeCount(m_cachedList.size());
   m_listValid = true;
   return this->cachedNodeCount();
 }
 
 template <typename Collection, typename NodeType>
 inline NodeType* CollectionItemsCache<Collection, NodeType>::nodeAt(
     const Collection& collection,
     unsigned index) {
   if (m_listValid) {
     DCHECK(this->isCachedNodeCountValid());
     return index < this->cachedNodeCount() ? m_cachedList[index] : nullptr;
   }
   return Base::nodeAt(collection, index);
 }
 
 }  // namespace blink
 
 #endif  // CollectionItemsCache_h