Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/core/css/StyleSheet.h

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2006, 2008, 2012 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.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 16 matching lines @@
 #include "wtf/RefCounted.h"
 
 namespace blink {
 
 class CSSRule;
 class KURL;
 class MediaList;
 class Node;
 class StyleSheet;
 
-class CORE_EXPORT StyleSheet : public RefCountedWillBeGarbageCollectedFinalized<StyleSheet>, public ScriptWrappable {
+class CORE_EXPORT StyleSheet : public GarbageCollectedFinalized<StyleSheet>, public ScriptWrappable {
     DEFINE_WRAPPERTYPEINFO();
 public:
     StyleSheet() { }
     virtual ~StyleSheet();
 
     virtual bool disabled() const = 0;
     virtual void setDisabled(bool) = 0;
     virtual Node* ownerNode() const = 0;
     virtual StyleSheet* parentStyleSheet() const { return 0; }
     virtual String href() const = 0;
     virtual String title() const = 0;
     virtual MediaList* media() const { return 0; }
     virtual String type() const = 0;
 
     virtual CSSRule* ownerRule() const { return 0; }
     virtual void clearOwnerNode() = 0;
     virtual KURL baseURL() const = 0;
     virtual bool isLoading() const = 0;
     virtual bool isCSSStyleSheet() const { return false; }
 
     DEFINE_INLINE_VIRTUAL_TRACE() { }
 };
 
 } // namespace blink
 
 #endif