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

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

 /*
  * Copyright (C) 2011 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 59 matching lines @@
   DCHECK(node);
 
   MutationObserverOptions options = 0;
 
   if (observerInit.hasAttributeOldValue() && observerInit.attributeOldValue())
     options |= AttributeOldValue;
 
   HashSet<AtomicString> attributeFilter;
   if (observerInit.hasAttributeFilter()) {
     for (const auto& name : observerInit.attributeFilter())
-      attributeFilter.add(AtomicString(name));
+      attributeFilter.insert(AtomicString(name));
     options |= AttributeFilter;
   }
 
   bool attributes = observerInit.hasAttributes() && observerInit.attributes();
   if (attributes ||
       (!observerInit.hasAttributes() && (observerInit.hasAttributeOldValue() ||
                                          observerInit.hasAttributeFilter())))
     options |= Attributes;
 
   if (observerInit.hasCharacterDataOldValue() &&
@@ skipping 59 matching lines @@
     // Only call unregister if it is still in the original set.
     if (m_registrations.contains(registration))
       registration->unregister();
   }
   DCHECK(m_registrations.isEmpty());
 }
 
 void MutationObserver::observationStarted(
     MutationObserverRegistration* registration) {
   DCHECK(!m_registrations.contains(registration));
-  m_registrations.add(registration);
+  m_registrations.insert(registration);
 }
 
 void MutationObserver::observationEnded(
     MutationObserverRegistration* registration) {
   DCHECK(m_registrations.contains(registration));
   m_registrations.remove(registration);
 }
 
 static MutationObserverSet& activeMutationObservers() {
   DEFINE_STATIC_LOCAL(MutationObserverSet, activeObservers,
@@ skipping 33 matching lines @@
   kept.reserveCapacity(activeSlotChangeList().size());
   for (auto& slot : activeSlotChangeList()) {
     if (slot->document() != document)
       kept.push_back(slot);
   }
   activeSlotChangeList().swap(kept);
 }
 
 static void activateObserver(MutationObserver* observer) {
   ensureEnqueueMicrotask();
-  activeMutationObservers().add(observer);
+  activeMutationObservers().insert(observer);
 }
 
 void MutationObserver::enqueueMutationRecord(MutationRecord* mutation) {
   DCHECK(isMainThread());
   m_records.push_back(mutation);
   activateObserver(this);
   InspectorInstrumentation::asyncTaskScheduled(
       m_callback->getExecutionContext(), mutation->type(), mutation);
 }
 
@@ skipping 71 matching lines @@
   activeMutationObservers().clear();
 
   SlotChangeList slots;
   slots.swap(activeSlotChangeList());
   for (const auto& slot : slots)
     slot->clearSlotChangeEventEnqueued();
 
   std::sort(observers.begin(), observers.end(), ObserverLessThan());
   for (const auto& observer : observers) {
     if (observer->shouldBeSuspended())
-      suspendedMutationObservers().add(observer);
+      suspendedMutationObservers().insert(observer);
     else
       observer->deliver();
   }
   for (const auto& slot : slots)
     slot->dispatchSlotChangeEvent();
 }
 
 DEFINE_TRACE(MutationObserver) {
   visitor->trace(m_callback);
   visitor->trace(m_records);
   visitor->trace(m_registrations);
   visitor->trace(m_callback);
 }
 
 }  // namespace blink