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

third_party/WebKit/Source/web/WebEmbeddedWorkerImpl.cpp

 /*
  * Copyright (C) 2013 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 83 matching lines @@
     std::unique_ptr<WebWorkerContentSettingsClientProxy> contentSettingsClient)
     : m_workerContextClient(std::move(client)),
       m_contentSettingsClient(std::move(contentSettingsClient)),
       m_workerInspectorProxy(WorkerInspectorProxy::create()),
       m_webView(nullptr),
       m_mainFrame(nullptr),
       m_loadingShadowPage(false),
       m_askedToTerminate(false),
       m_pauseAfterDownloadState(DontPauseAfterDownload),
       m_waitingForDebuggerState(NotWaitingForDebugger) {
-  runningWorkerInstances().add(this);
+  runningWorkerInstances().insert(this);
 }
 
 WebEmbeddedWorkerImpl::~WebEmbeddedWorkerImpl() {
   // Prevent onScriptLoaderFinished from deleting 'this'.
   m_askedToTerminate = true;
 
   if (m_workerThread)
     m_workerThread->terminateAndWait();
 
   DCHECK(runningWorkerInstances().contains(this));
@@ skipping 360 matching lines @@
       *this, *document, *m_workerContextClient);
   m_loaderProxy = WorkerLoaderProxy::create(this);
   m_workerThread = ServiceWorkerThread::create(
       m_loaderProxy, *m_workerGlobalScopeProxy, m_mainThreadTaskRunners.get());
   m_workerThread->start(std::move(startupData));
   m_workerInspectorProxy->workerThreadCreated(document, m_workerThread.get(),
                                               scriptURL);
 }
 
 }  // namespace blink