CSSMediaRule and CSSSupportsRule inherit from CSSConditionRule

third_party/WebKit/Source/core/css/CSSMediaRule.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.
  * Copyright (C) 2006 Samuel Weinig (sam@webkit.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,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #ifndef CSSMediaRule_h
 #define CSSMediaRule_h
 
-#include "core/css/CSSGroupingRule.h"
+#include "core/css/CSSConditionRule.h"
 #include "core/css/MediaList.h"
 
 namespace blink {
 
 class StyleRuleMedia;
 
-class CSSMediaRule final : public CSSGroupingRule {
+class CSSMediaRule final : public CSSConditionRule {
   DEFINE_WRAPPERTYPEINFO();
 
  public:
   static CSSMediaRule* create(StyleRuleMedia* rule, CSSStyleSheet* sheet) {
     return new CSSMediaRule(rule, sheet);
   }
 
   ~CSSMediaRule() override;
 
   void reattach(StyleRuleBase*) override;
   String cssText() const override;
+  String conditionText() const override;
 
   MediaList* media() const;
 
   DECLARE_VIRTUAL_TRACE();
 
  private:
   CSSMediaRule(StyleRuleMedia*, CSSStyleSheet*);
 
   CSSRule::Type type() const override { return kMediaRule; }
 
   MediaQuerySet* mediaQueries() const;
 
   mutable Member<MediaList> m_mediaCSSOMWrapper;
 };
 
 DEFINE_CSS_RULE_TYPE_CASTS(CSSMediaRule, kMediaRule);
 
 }  // namespace blink
 
 #endif  // CSSMediaRule_h