Oilpan: Remove most WillBe types from the code base

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

 /*
  * Copyright (C) 2010 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 61 matching lines @@
 {
     ASSERT(m_state == ParsingState);
     m_state = StoppingState;
 }
 
 void DocumentParser::stopParsing()
 {
     m_state = StoppedState;
 
     // Clients may be removed while in the loop. Make a snapshot for iteration.
-    WillBeHeapVector<RawPtrWillBeMember<DocumentParserClient>> clientsSnapshot;
+    HeapVector<Member<DocumentParserClient>> clientsSnapshot;
     copyToVector(m_clients, clientsSnapshot);
 
     for (DocumentParserClient* client : clientsSnapshot) {
         if (!m_clients.contains(client))
             continue;
 
         client->notifyParserStopped();
     }
 }
 
@@ skipping 15 matching lines @@
 {
     m_clients.add(client);
 }
 
 void DocumentParser::removeClient(DocumentParserClient* client)
 {
     m_clients.remove(client);
 }
 
 } // namespace blink