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

third_party/WebKit/Source/modules/mediastream/MediaStreamTrack.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  * Copyright (C) 2011 Ericsson AB. 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 295 matching lines @@
 }
 
 std::unique_ptr<AudioSourceProvider> MediaStreamTrack::createWebAudioSource() {
   return MediaStreamCenter::instance().createWebAudioSourceFromMediaStreamTrack(
       component());
 }
 
 void MediaStreamTrack::registerMediaStream(MediaStream* mediaStream) {
   CHECK(!m_isIteratingRegisteredMediaStreams);
   CHECK(!m_registeredMediaStreams.contains(mediaStream));
-  m_registeredMediaStreams.add(mediaStream);
+  m_registeredMediaStreams.insert(mediaStream);
 }
 
 void MediaStreamTrack::unregisterMediaStream(MediaStream* mediaStream) {
   CHECK(!m_isIteratingRegisteredMediaStreams);
   HeapHashSet<Member<MediaStream>>::iterator iter =
       m_registeredMediaStreams.find(mediaStream);
   CHECK(iter != m_registeredMediaStreams.end());
   m_registeredMediaStreams.remove(iter);
 }
 
 const AtomicString& MediaStreamTrack::interfaceName() const {
   return EventTargetNames::MediaStreamTrack;
 }
 
 ExecutionContext* MediaStreamTrack::getExecutionContext() const {
   return ContextLifecycleObserver::getExecutionContext();
 }
 
 DEFINE_TRACE(MediaStreamTrack) {
   visitor->trace(m_registeredMediaStreams);
   visitor->trace(m_component);
   EventTargetWithInlineData::trace(visitor);
   ContextLifecycleObserver::trace(visitor);
 }
 
 }  // namespace blink