Migrate WTF::HashMap::remove() to ::erase()

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 42 matching lines @@
 void IdTargetObserverRegistry::removeObserver(const AtomicString& id,
                                               IdTargetObserver* observer) {
   if (id.isEmpty() || m_registry.isEmpty())
     return;
 
   IdToObserverSetMap::iterator iter = m_registry.find(id.impl());
 
   ObserverSet* set = iter->value.get();
   set->erase(observer);
   if (set->isEmpty() && set != m_notifyingObserversInSet)
-    m_registry.remove(iter);
+    m_registry.erase(iter);
 }
 
 void IdTargetObserverRegistry::notifyObserversInternal(const AtomicString& id) {
   DCHECK(!id.isEmpty());
   DCHECK(!m_registry.isEmpty());
 
   m_notifyingObserversInSet = m_registry.at(id.impl());
   if (!m_notifyingObserversInSet)
     return;
 
@@ skipping 11 matching lines @@
 }
 
 bool IdTargetObserverRegistry::hasObservers(const AtomicString& id) const {
   if (id.isEmpty() || m_registry.isEmpty())
     return false;
   ObserverSet* set = m_registry.at(id.impl());
   return set && !set->isEmpty();
 }
 
 }  // namespace blink