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

third_party/WebKit/Source/core/html/HTMLCollection.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003-2008, 2011, 2012, 2014 Apple Inc. All rights reserved.
  * Copyright (C) 2014 Samsung Electronics. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 439 matching lines @@
   // 3. Return result.
   HashSet<AtomicString> existingNames;
   unsigned length = this->length();
   for (unsigned i = 0; i < length; ++i) {
     Element* element = item(i);
     const AtomicString& idAttribute = element->getIdAttribute();
     if (!idAttribute.isEmpty()) {
       HashSet<AtomicString>::AddResult addResult =
           existingNames.add(idAttribute);
       if (addResult.isNewEntry)
-        names.append(idAttribute);
+        names.push_back(idAttribute);
     }
     if (!element->isHTMLElement())
       continue;
     const AtomicString& nameAttribute = element->getNameAttribute();
     if (!nameAttribute.isEmpty() &&
         (type() != DocAll ||
          nameShouldBeVisibleInDocumentAll(toHTMLElement(*element)))) {
       HashSet<AtomicString>::AddResult addResult =
           existingNames.add(nameAttribute);
       if (addResult.isNewEntry)
-        names.append(nameAttribute);
+        names.push_back(nameAttribute);
     }
   }
 }
 
 void HTMLCollection::namedPropertyEnumerator(Vector<String>& names,
                                              ExceptionState&) {
   supportedPropertyNames(names);
 }
 
 void HTMLCollection::updateIdNameCache() const {
@@ skipping 24 matching lines @@
                                 HeapVector<Member<Element>>& result) const {
   DCHECK(result.isEmpty());
   if (name.isEmpty())
     return;
 
   updateIdNameCache();
 
   const NamedItemCache& cache = namedItemCache();
   if (HeapVector<Member<Element>>* idResults = cache.getElementsById(name)) {
     for (const auto& element : *idResults)
-      result.append(element);
+      result.push_back(element);
   }
   if (HeapVector<Member<Element>>* nameResults =
           cache.getElementsByName(name)) {
     for (const auto& element : *nameResults)
-      result.append(element);
+      result.push_back(element);
   }
 }
 
 HTMLCollection::NamedItemCache::NamedItemCache() {}
 
 DEFINE_TRACE(HTMLCollection) {
   visitor->trace(m_namedItemCache);
   visitor->trace(m_collectionItemsCache);
   LiveNodeListBase::trace(visitor);
 }
 
 }  // namespace blink