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

third_party/WebKit/Source/web/WebHistoryItem.cpp

 /*
  * Copyright (C) 2009 Google 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.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 166 matching lines @@
   m_private->setFormData(httpBody);
 }
 
 WebVector<WebString> WebHistoryItem::getReferencedFilePaths() const {
   HashSet<String> filePaths;
   const EncodedFormData* formData = m_private->formData();
   if (formData) {
     for (size_t i = 0; i < formData->elements().size(); ++i) {
       const FormDataElement& element = formData->elements()[i];
       if (element.m_type == FormDataElement::encodedFile)
-        filePaths.add(element.m_filename);
+        filePaths.insert(element.m_filename);
     }
   }
 
   const Vector<String>& referencedFilePaths =
       m_private->getReferencedFilePaths();
   for (size_t i = 0; i < referencedFilePaths.size(); ++i)
-    filePaths.add(referencedFilePaths[i]);
+    filePaths.insert(referencedFilePaths[i]);
 
   Vector<String> results;
   copyToVector(filePaths, results);
   return results;
 }
 
 WebHistoryItem::WebHistoryItem(HistoryItem* item) : m_private(item) {}
 
 WebHistoryItem& WebHistoryItem::operator=(HistoryItem* item) {
   m_private = item;
   return *this;
 }
 
 WebHistoryItem::operator HistoryItem*() const {
   return m_private.get();
 }
 
 }  // namespace blink