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

third_party/WebKit/Source/core/frame/FrameConsole.cpp

 /*
  * Copyright (C) 2013 Apple 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
@@ skipping 85 matching lines @@
     std::unique_ptr<SourceLocation> location,
     const String& workerId) {
   reportMessageToClient(WorkerMessageSource, level, message, location.get());
   addMessageToStorage(ConsoleMessage::createFromWorker(
       level, message, std::move(location), workerId));
 }
 
 void FrameConsole::addSingletonMessage(ConsoleMessage* consoleMessage) {
   if (m_singletonMessages.contains(consoleMessage->message()))
     return;
-  m_singletonMessages.add(consoleMessage->message());
+  m_singletonMessages.insert(consoleMessage->message());
   addMessage(consoleMessage);
 }
 
 void FrameConsole::reportResourceResponseReceived(
     DocumentLoader* loader,
     unsigned long requestIdentifier,
     const ResourceResponse& response) {
   if (!loader)
     return;
   if (response.httpStatusCode() < 400)
@@ skipping 23 matching lines @@
   addMessageToStorage(ConsoleMessage::createForRequest(
       NetworkMessageSource, ErrorMessageLevel, message.toString(),
       error.failingURL(), requestIdentifier));
 }
 
 DEFINE_TRACE(FrameConsole) {
   visitor->trace(m_frame);
 }
 
 }  // namespace blink