Oilpan: Remove most WillBe types from the code base

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

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * (C) 2002-2003 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2002, 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.
  *
@@ skipping 16 matching lines @@
 
 namespace blink {
 
 class CSSStyleDeclaration;
 class StyleRuleCSSStyleDeclaration;
 class StyleRule;
 
 class CORE_EXPORT CSSStyleRule final : public CSSRule {
     DEFINE_WRAPPERTYPEINFO();
 public:
-    static PassRefPtrWillBeRawPtr<CSSStyleRule> create(StyleRule* rule, CSSStyleSheet* sheet)
+    static RawPtr<CSSStyleRule> create(StyleRule* rule, CSSStyleSheet* sheet)
     {
-        return adoptRefWillBeNoop(new CSSStyleRule(rule, sheet));
+        return (new CSSStyleRule(rule, sheet));
     }
 
     ~CSSStyleRule() override;
 
     String cssText() const override;
     void reattach(StyleRuleBase*) override;
 
     String selectorText() const;
     void setSelectorText(const String&);
 
     CSSStyleDeclaration* style() const;
 
     // FIXME: Not CSSOM. Remove.
     StyleRule* styleRule() const { return m_styleRule.get(); }
 
     DECLARE_VIRTUAL_TRACE();
 
 private:
     CSSStyleRule(StyleRule*, CSSStyleSheet*);
 
     CSSRule::Type type() const override { return STYLE_RULE; }
 
     String generateSelectorText() const;
 
-    RefPtrWillBeMember<StyleRule> m_styleRule;
-    mutable RefPtrWillBeMember<StyleRuleCSSStyleDeclaration> m_propertiesCSSOMWrapper;
+    Member<StyleRule> m_styleRule;
+    mutable Member<StyleRuleCSSStyleDeclaration> m_propertiesCSSOMWrapper;
 };
 
 DEFINE_CSS_RULE_TYPE_CASTS(CSSStyleRule, STYLE_RULE);
 
 } // namespace blink
 
 #endif // CSSStyleRule_h