webkitgtk-2.4.11webkitgtk-2.4.11

1 files changed, 8 insertions, 7 deletions

diff --git a/Source/WebCore/css/CSSGroupingRule.cpp b/Source/WebCore/css/CSSGroupingRule.cpp
index 993fb0e53..664c9b9a1 100644
--- a/Source/WebCore/css/CSSGroupingRule.cpp
+++ b/Source/WebCore/css/CSSGroupingRule.cpp
@@ -41,10 +41,10 @@
 
 namespace WebCore {
 
-CSSGroupingRule::CSSGroupingRule(StyleRuleGroup& groupRule, CSSStyleSheet* parent)
+CSSGroupingRule::CSSGroupingRule(StyleRuleGroup* groupRule, CSSStyleSheet* parent)
     : CSSRule(parent)
     , m_groupRule(groupRule)
-    , m_childRuleCSSOMWrappers(groupRule.childRules().size())
+    , m_childRuleCSSOMWrappers(groupRule->childRules().size())
 {
 }
 
@@ -141,19 +141,20 @@ CSSRule* CSSGroupingRule::item(unsigned index) const
     return rule.get();
 }
 
-CSSRuleList& CSSGroupingRule::cssRules() const
+CSSRuleList* CSSGroupingRule::cssRules() const
 {
     if (!m_ruleListCSSOMWrapper)
         m_ruleListCSSOMWrapper = std::make_unique<LiveCSSRuleList<CSSGroupingRule>>(const_cast<CSSGroupingRule*>(this));
-    return *m_ruleListCSSOMWrapper;
+    return m_ruleListCSSOMWrapper.get();
 }
 
-void CSSGroupingRule::reattach(StyleRuleBase& rule)
+void CSSGroupingRule::reattach(StyleRuleBase* rule)
 {
-    m_groupRule = static_cast<StyleRuleGroup&>(rule);
+    ASSERT(rule);
+    m_groupRule = static_cast<StyleRuleGroup*>(rule);
     for (unsigned i = 0; i < m_childRuleCSSOMWrappers.size(); ++i) {
         if (m_childRuleCSSOMWrappers[i])
-            m_childRuleCSSOMWrappers[i]->reattach(*m_groupRule.get().childRules()[i]);
+            m_childRuleCSSOMWrappers[i]->reattach(m_groupRule->childRules()[i].get());
     }
 }