Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/core/html/HTMLOptGroupElement.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2010 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 18 matching lines @@
 #include "core/style/ComputedStyle.h"
 
 namespace blink {
 
 class HTMLSelectElement;
 class HTMLDivElement;
 
 class CORE_EXPORT HTMLOptGroupElement final : public HTMLElement {
     DEFINE_WRAPPERTYPEINFO();
 public:
-    static PassRefPtrWillBeRawPtr<HTMLOptGroupElement> create(Document&);
+    static RawPtr<HTMLOptGroupElement> create(Document&);
 
     bool isDisabledFormControl() const override;
     String defaultToolTip() const override;
     HTMLSelectElement* ownerSelectElement() const;
 
     String groupLabelText() const;
     HTMLDivElement& optGroupLabelElement() const;
 
 private:
     explicit HTMLOptGroupElement(Document&);
@@ skipping 13 matching lines @@
 
     void updateGroupLabel();
     void recalcSelectOptions();
 
     RefPtr<ComputedStyle> m_style;
 };
 
 } // namespace blink
 
 #endif // HTMLOptGroupElement_h