Migrate WTF::HashSet::add() to ::insert() [part 1 of N]

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

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2010, 2011, 2012 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
@@ skipping 125 matching lines @@
   NamedItemCache* cache = NamedItemCache::create();
   HashSet<StringImpl*> foundInputElements;
 
   for (const auto& listedElement : listedElements()) {
     if (listedElement->isEnumeratable()) {
       HTMLElement* element = toHTMLElement(listedElement);
       const AtomicString& idAttrVal = element->getIdAttribute();
       const AtomicString& nameAttrVal = element->getNameAttribute();
       if (!idAttrVal.isEmpty()) {
         cache->addElementWithId(idAttrVal, element);
-        foundInputElements.add(idAttrVal.impl());
+        foundInputElements.insert(idAttrVal.impl());
       }
       if (!nameAttrVal.isEmpty() && idAttrVal != nameAttrVal) {
         cache->addElementWithName(nameAttrVal, element);
-        foundInputElements.add(nameAttrVal.impl());
+        foundInputElements.insert(nameAttrVal.impl());
       }
     }
   }
 
   // HTMLFormControlsCollection doesn't support named getter for IMG
   // elements. However we still need to handle IMG elements here because
   // HTMLFormElement named getter relies on this.
   for (const auto& element : formImageElements()) {
     const AtomicString& idAttrVal = element->getIdAttribute();
     const AtomicString& nameAttrVal = element->getNameAttribute();
@@ skipping 37 matching lines @@
   // its name if it contributes both, they differ from each other, and neither
   // is the duplicate of an earlier entry.
   HashSet<AtomicString> existingNames;
   unsigned length = this->length();
   for (unsigned i = 0; i < length; ++i) {
     HTMLElement* element = item(i);
     DCHECK(element);
     const AtomicString& idAttribute = element->getIdAttribute();
     if (!idAttribute.isEmpty()) {
       HashSet<AtomicString>::AddResult addResult =
-          existingNames.add(idAttribute);
+          existingNames.insert(idAttribute);
       if (addResult.isNewEntry)
         names.push_back(idAttribute);
     }
     const AtomicString& nameAttribute = element->getNameAttribute();
     if (!nameAttribute.isEmpty()) {
       HashSet<AtomicString>::AddResult addResult =
-          existingNames.add(nameAttribute);
+          existingNames.insert(nameAttribute);
       if (addResult.isNewEntry)
         names.push_back(nameAttribute);
     }
   }
 }
 
 DEFINE_TRACE(HTMLFormControlsCollection) {
   visitor->trace(m_cachedElement);
   HTMLCollection::trace(visitor);
 }
 
 }  // namespace blink