Migrate WTF::Vector::append() to ::push_back() [part 4 of N]

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

 /*
  * Copyright (C) 2011, 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2014 Samsung Electronics. 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.
@@ skipping 41 matching lines @@
     DCHECK(!output);
     output = &element;
   }
 };
 
 struct AllElementsSelectorQueryTrait {
   typedef HeapVector<Member<Element>> OutputType;
   static const bool shouldOnlyMatchFirstElement = false;
   ALWAYS_INLINE static void appendElement(OutputType& output,
                                           Element& element) {
-    output.append(&element);
+    output.push_back(&element);
   }
 };
 
 enum ClassElementListBehavior { AllElements, OnlyRoots };
 
 template <ClassElementListBehavior onlyRoots>
 class ClassElementList {
   STACK_ALLOCATED();
 
  public:
@@ skipping 568 matching lines @@
 
   return m_entries.add(selectors, SelectorQuery::adopt(std::move(selectorList)))
       .storedValue->value.get();
 }
 
 void SelectorQueryCache::invalidate() {
   m_entries.clear();
 }
 
 }  // namespace blink