Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/core/xmlhttprequest/XMLHttpRequest.h

 /*
  *  Copyright (C) 2003, 2006, 2008 Apple Inc. All rights reserved.
  *  Copyright (C) 2005, 2006 Alexey Proskuryakov <ap@nypop.com>
  *  Copyright (C) 2011 Google Inc. All rights reserved.
  *  Copyright (C) 2012 Intel Corporation
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Lesser General Public
  *  License as published by the Free Software Foundation; either
  *  version 2 of the License, or (at your option) any later version.
@@ skipping 50 matching lines @@
 class Stream;
 class TextResourceDecoder;
 class ThreadableLoader;
 class WebDataConsumerHandle;
 class XMLHttpRequestUpload;
 
 typedef int ExceptionCode;
 
 class XMLHttpRequest final : public XMLHttpRequestEventTarget, private ThreadableLoaderClient, public DocumentParserClient, public ActiveDOMObject {
     DEFINE_WRAPPERTYPEINFO();
-    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(XMLHttpRequest);
+    USING_GARBAGE_COLLECTED_MIXIN(XMLHttpRequest);
 public:
     static XMLHttpRequest* create(ScriptState*);
     static XMLHttpRequest* create(ExecutionContext*);
     ~XMLHttpRequest() override;
 
     // These exact numeric values are important because JS expects them.
     enum State {
         UNSENT = 0,
         OPENED = 1,
         HEADERS_RECEIVED = 2,
@@ skipping 184 matching lines @@
 
     RefPtr<ThreadableLoader> m_loader;
     State m_state;
 
     ResourceResponse m_response;
     String m_finalResponseCharset;
 
     OwnPtr<TextResourceDecoder> m_decoder;
 
     ScriptString m_responseText;
-    RefPtrWillBeMember<Document> m_responseDocument;
-    RefPtrWillBeMember<DocumentParser> m_responseDocumentParser;
+    Member<Document> m_responseDocument;
+    Member<DocumentParser> m_responseDocumentParser;
 
     RefPtr<SharedBuffer> m_binaryResponseBuilder;
     long long m_lengthDownloadedToFile;
 
     RefPtr<DOMArrayBuffer> m_responseArrayBuffer;
 
     // Used for onprogress tracking
     long long m_receivedLength;
 
     // An exception to throw in synchronous mode. It's set when failure
@@ skipping 27 matching lines @@
     bool m_sameOriginRequest;
     // True iff the ongoing resource loading is using the downloadToFile
     // option.
     bool m_downloadingToFile;
     bool m_responseTextOverflow;
 };
 
 } // namespace blink
 
 #endif // XMLHttpRequest_h