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

third_party/WebKit/Source/modules/accessibility/AXObject.cpp

 /*
  * Copyright (C) 2008, 2009, 2011 Apple 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 303 matching lines @@
     "progressbar", "radio", "scrollbar", "slider", "spinbutton", "status",
     "tab", "tabpanel", "textbox", "timer", "tooltip", "treeitem",
     // Composite user interface widgets.
     // This list is also from the w3.org site referenced above.
     "combobox", "grid", "listbox", "menu", "menubar", "radiogroup", "tablist",
     "tree", "treegrid"};
 
 static ARIAWidgetSet* createARIARoleWidgetSet() {
   ARIAWidgetSet* widgetSet = new HashSet<String, CaseFoldingHash>();
   for (size_t i = 0; i < WTF_ARRAY_LENGTH(ariaWidgets); ++i)
-    widgetSet->add(String(ariaWidgets[i]));
+    widgetSet->insert(String(ariaWidgets[i]));
   return widgetSet;
 }
 
 const char* ariaInteractiveWidgetAttributes[] = {
     // These attributes implicitly indicate the given widget is interactive.
     // From http://www.w3.org/TR/wai-aria/states_and_properties#attrs_widgets
     "aria-activedescendant", "aria-checked",  "aria-controls",
     "aria-disabled",  // If it's disabled, it can be made interactive.
     "aria-expanded",         "aria-haspopup", "aria-multiselectable",
     "aria-pressed",          "aria-required", "aria-selected"};
@@ skipping 402 matching lines @@
 
 String AXObject::ariaTextAlternative(bool recursive,
                                      bool inAriaLabelledByTraversal,
                                      AXObjectSet& visited,
                                      AXNameFrom& nameFrom,
                                      AXRelatedObjectVector* relatedObjects,
                                      NameSources* nameSources,
                                      bool* foundTextAlternative) const {
   String textAlternative;
   bool alreadyVisited = visited.contains(this);
-  visited.add(this);
+  visited.insert(this);
 
   // Step 2A from: http://www.w3.org/TR/accname-aam-1.1
   // If you change this logic, update AXNodeObject::nameFromLabelElement, too.
   if (!inAriaLabelledByTraversal && isHiddenForTextAlternativeCalculation()) {
     *foundTextAlternative = true;
     return String();
   }
 
   // Step 2B from: http://www.w3.org/TR/accname-aam-1.1
   // If you change this logic, update AXNodeObject::nameFromLabelElement, too.
@@ skipping 988 matching lines @@
 }
 
 DEFINE_TRACE(AXObject) {
   visitor->trace(m_children);
   visitor->trace(m_parent);
   visitor->trace(m_cachedLiveRegionRoot);
   visitor->trace(m_axObjectCache);
 }
 
 }  // namespace blink