1 files changed, 11 insertions, 12 deletions
diff --git a/Source/WebCore/css/CSSGroupingRule.h b/Source/WebCore/css/CSSGroupingRule.h
index f14ee2ce1..f54a39719 100644
--- a/Source/WebCore/css/CSSGroupingRule.h
+++ b/Source/WebCore/css/CSSGroupingRule.h
@@ -20,43 +20,42 @@
  * Boston, MA 02110-1301, USA.
  */
 
-#ifndef CSSGroupingRule_h
-#define CSSGroupingRule_h
+#pragma once
 
 #include "CSSRule.h"
-#include "StyleRule.h"
 #include <memory>
 #include <wtf/Vector.h>
 
 namespace WebCore {
 
 class CSSRuleList;
+class StyleRuleGroup;
 
 class CSSGroupingRule : public CSSRule {
 public:
     virtual ~CSSGroupingRule();
 
-    virtual void reattach(StyleRuleBase*) override;
+    WEBCORE_EXPORT CSSRuleList& cssRules() const;
 
-    CSSRuleList* cssRules() const;
-
-    unsigned insertRule(const String& rule, unsigned index, ExceptionCode&);
-    void deleteRule(unsigned index, ExceptionCode&);
+    WEBCORE_EXPORT ExceptionOr<unsigned> insertRule(const String& rule, unsigned index);
+    WEBCORE_EXPORT ExceptionOr<void> deleteRule(unsigned index);
         
     // For CSSRuleList
     unsigned length() const;
     CSSRule* item(unsigned index) const;
 
 protected:
-    CSSGroupingRule(StyleRuleGroup* groupRule, CSSStyleSheet* parent);
+    CSSGroupingRule(StyleRuleGroup& groupRule, CSSStyleSheet* parent);
     
+    void reattach(StyleRuleBase&) override;
+
     void appendCssTextForItems(StringBuilder&) const;
 
-    RefPtr<StyleRuleGroup> m_groupRule;
+    Ref<StyleRuleGroup> m_groupRule;
+
+private:
     mutable Vector<RefPtr<CSSRule>> m_childRuleCSSOMWrappers;
     mutable std::unique_ptr<CSSRuleList> m_ruleListCSSOMWrapper;
 };
 
 } // namespace WebCore
-
-#endif // CSSGroupingRule_h