Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/core/html/HTMLLabelElement.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 15 matching lines @@
 
 #include "core/CoreExport.h"
 #include "core/html/FormAssociatedElement.h"
 #include "core/html/HTMLElement.h"
 #include "core/html/LabelableElement.h"
 
 namespace blink {
 
 class CORE_EXPORT HTMLLabelElement final : public HTMLElement, public FormAssociatedElement {
     DEFINE_WRAPPERTYPEINFO();
-    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(HTMLLabelElement);
+    USING_GARBAGE_COLLECTED_MIXIN(HTMLLabelElement);
 public:
-    static PassRefPtrWillBeRawPtr<HTMLLabelElement> create(Document&, HTMLFormElement*);
+    static RawPtr<HTMLLabelElement> create(Document&, HTMLFormElement*);
     LabelableElement* control() const;
 
     bool willRespondToMouseClickEvents() override;
 
     DECLARE_VIRTUAL_TRACE();
 
     HTMLFormElement* formOwner() const override;
     HTMLFormElement* formForBinding() const;
 
 
@@ skipping 53 matching lines @@
 {
     const HTMLLabelElement& labelElement = static_cast<const HTMLLabelElement&>(element);
     // FormAssociatedElement doesn't have hasTagName, hence check for assert.
     ASSERT_WITH_SECURITY_IMPLICATION(labelElement.hasTagName(HTMLNames::labelTag));
     return labelElement;
 }
 
 } // namespace blink
 
 #endif // HTMLLabelElement_h