1 files changed, 8 insertions, 3 deletions
diff --git a/chromium/third_party/WebKit/Source/core/css/CSSMediaRule.h b/chromium/third_party/WebKit/Source/core/css/CSSMediaRule.h
index 380c062c122..fb6895816d6 100644
--- a/chromium/third_party/WebKit/Source/core/css/CSSMediaRule.h
+++ b/chromium/third_party/WebKit/Source/core/css/CSSMediaRule.h
@@ -30,9 +30,12 @@ namespace WebCore {
 
 class StyleRuleMedia;
 
-class CSSMediaRule : public CSSGroupingRule {
+class CSSMediaRule FINAL : public CSSGroupingRule {
 public:
-    static PassRefPtr<CSSMediaRule> create(StyleRuleMedia* rule, CSSStyleSheet* sheet) { return adoptRef(new CSSMediaRule(rule, sheet)); }
+    static PassRefPtrWillBeRawPtr<CSSMediaRule> create(StyleRuleMedia* rule, CSSStyleSheet* sheet)
+    {
+        return adoptRefWillBeNoop(new CSSMediaRule(rule, sheet));
+    }
 
     virtual ~CSSMediaRule();
 
@@ -42,12 +45,14 @@ public:
 
     MediaList* media() const;
 
+    virtual void trace(Visitor*) OVERRIDE;
+
 private:
     CSSMediaRule(StyleRuleMedia*, CSSStyleSheet*);
 
     MediaQuerySet* mediaQueries() const;
 
-    mutable RefPtr<MediaList> m_mediaCSSOMWrapper;
+    mutable RefPtrWillBeMember<MediaList> m_mediaCSSOMWrapper;
 };
 
 DEFINE_CSS_RULE_TYPE_CASTS(CSSMediaRule, MEDIA_RULE);