Migrate WTF::HashCountedSet::add() to ::insert()

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

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 Apple Inc. 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 134 matching lines @@
 }
 
 // --------------------------------------------------------------------------
 // not part of the DOM
 // --------------------------------------------------------------------------
 
 void HTMLDocument::addItemToMap(HashCountedSet<AtomicString>& map,
                                 const AtomicString& name) {
   if (name.isEmpty())
     return;
-  map.add(name);
+  map.insert(name);
   if (LocalFrame* f = frame()) {
     f->script()
         .windowProxy(DOMWrapperWorld::mainWorld())
         ->namedItemAdded(this, name);
   }
 }
 
 void HTMLDocument::removeItemFromMap(HashCountedSet<AtomicString>& map,
                                      const AtomicString& name) {
   if (name.isEmpty())
@@ skipping 54 matching lines @@
   static HashSet<StringImpl*>* htmlCaseInsensitiveAttributesSet =
       createHtmlCaseInsensitiveAttributesSet();
   bool isPossibleHTMLAttr =
       !attributeName.hasPrefix() && (attributeName.namespaceURI() == nullAtom);
   return !isPossibleHTMLAttr ||
          !htmlCaseInsensitiveAttributesSet->contains(
              attributeName.localName().impl());
 }
 
 }  // namespace blink