CSSMediaRule and CSSSupportsRule inherit from CSSConditionRule

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

+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CSSConditionRule_h
+#define CSSConditionRule_h
+
+#include "core/css/CSSGroupingRule.h"
+
+namespace blink {
+
+class CSSConditionRule : public CSSGroupingRule {
+  DEFINE_WRAPPERTYPEINFO();
+
+ public:
+  ~CSSConditionRule() override;
+
+  virtual String conditionText() const;
+
+ protected:
+  CSSConditionRule(StyleRuleCondition* conditionRule, CSSStyleSheet* parent);
+};
+
+}  // namespace blink
+
+#endif  // CSSConditionRule_h