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

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

 /*
  * Copyright (C) 2014, 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:
  *
  * 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 524 matching lines @@
 AXID AXObjectCacheImpl::getAXID(AXObject* obj) {
   // check for already-assigned ID
   AXID objID = obj->axObjectID();
   if (objID) {
     ASSERT(m_idsInUse.contains(objID));
     return objID;
   }
 
   objID = platformGenerateAXID();
 
-  m_idsInUse.add(objID);
+  m_idsInUse.insert(objID);
   obj->setAXObjectID(objID);
 
   return objID;
 }
 
 void AXObjectCacheImpl::removeAXID(AXObject* object) {
   if (!object)
     return;
 
   AXID objID = object->axObjectID();
@@ skipping 149 matching lines @@
     HeapVector<Member<AXObject>>& ownedChildren) {
   //
   // Update the map from the AXID of this element to the ids of the owned
   // children, and the reverse map from ids to possible AXID owners.
   //
 
   HashSet<String> currentIds = m_ariaOwnerToIdsMapping.get(owner->axObjectID());
   HashSet<String> newIds;
   bool idsChanged = false;
   for (const String& id : idVector) {
-    newIds.add(id);
+    newIds.insert(id);
     if (!currentIds.contains(id)) {
       idsChanged = true;
       HashSet<AXID>* owners = m_idToAriaOwnersMapping.get(id);
       if (!owners) {
         owners = new HashSet<AXID>();
         m_idToAriaOwnersMapping.set(id, WTF::wrapUnique(owners));
       }
-      owners->add(owner->axObjectID());
+      owners->insert(owner->axObjectID());
     }
   }
   for (const String& id : currentIds) {
     if (!newIds.contains(id)) {
       idsChanged = true;
       HashSet<AXID>* owners = m_idToAriaOwnersMapping.get(id);
       if (owners) {
         owners->remove(owner->axObjectID());
         if (owners->isEmpty())
           m_idToAriaOwnersMapping.remove(id);
@@ skipping 518 matching lines @@
   visitor->trace(m_document);
   visitor->trace(m_nodeObjectMapping);
 
   visitor->trace(m_objects);
   visitor->trace(m_notificationsToPost);
 
   AXObjectCache::trace(visitor);
 }
 
 }  // namespace blink