Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/core/svg/SVGStyleElement.h

 /*
  * Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
  *
  * 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.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 16 matching lines @@
 #include "core/svg/SVGElement.h"
 #include "platform/heap/Handle.h"
 
 namespace blink {
 
 using SVGStyleEventSender = EventSender<SVGStyleElement>;
 
 class SVGStyleElement final : public SVGElement
                             , public StyleElement {
     DEFINE_WRAPPERTYPEINFO();
-    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(SVGStyleElement);
+    USING_GARBAGE_COLLECTED_MIXIN(SVGStyleElement);
 public:
-    static PassRefPtrWillBeRawPtr<SVGStyleElement> create(Document&, bool createdByParser);
+    static RawPtr<SVGStyleElement> create(Document&, bool createdByParser);
     ~SVGStyleElement() override;
 
     using StyleElement::sheet;
 
     bool disabled() const;
     void setDisabled(bool);
 
     const AtomicString& type() const override;
     void setType(const AtomicString&);
 
@@ skipping 20 matching lines @@
     bool layoutObjectIsNeeded(const ComputedStyle&) override { return false; }
 
     bool sheetLoaded() override { return StyleElement::sheetLoaded(document()); }
     void notifyLoadedSheetAndAllCriticalSubresources(LoadedSheetErrorStatus) override;
     void startLoadingDynamicSheet() override { StyleElement::startLoadingDynamicSheet(document()); }
 };
 
 } // namespace blink
 
 #endif // SVGStyleElement_h