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

third_party/WebKit/Source/core/dom/IdTargetObserverRegistry.cpp

 /*
  * Copyright (C) 2012 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 25 matching lines @@
 DEFINE_TRACE(IdTargetObserverRegistry) {
   visitor->trace(m_registry);
   visitor->trace(m_notifyingObserversInSet);
 }
 
 void IdTargetObserverRegistry::addObserver(const AtomicString& id,
                                            IdTargetObserver* observer) {
   if (id.isEmpty())
     return;
 
-  IdToObserverSetMap::AddResult result = m_registry.add(id.impl(), nullptr);
+  IdToObserverSetMap::AddResult result = m_registry.insert(id.impl(), nullptr);
   if (result.isNewEntry)
     result.storedValue->value = new ObserverSet();
 
   result.storedValue->value->insert(observer);
 }
 
 void IdTargetObserverRegistry::removeObserver(const AtomicString& id,
                                               IdTargetObserver* observer) {
   if (id.isEmpty() || m_registry.isEmpty())
     return;
@@ skipping 28 matching lines @@
 }
 
 bool IdTargetObserverRegistry::hasObservers(const AtomicString& id) const {
   if (id.isEmpty() || m_registry.isEmpty())
     return false;
   ObserverSet* set = m_registry.get(id.impl());
   return set && !set->isEmpty();
 }
 
 }  // namespace blink