1 files changed, 2 insertions, 1 deletions
diff --git a/Source/WebCore/contentextensions/ContentExtensionStyleSheet.h b/Source/WebCore/contentextensions/ContentExtensionStyleSheet.h
index a503b586a..514407676 100644
--- a/Source/WebCore/contentextensions/ContentExtensionStyleSheet.h
+++ b/Source/WebCore/contentextensions/ContentExtensionStyleSheet.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2015 Apple Inc. All rights reserved.
+ * Copyright (C) 2015-2016 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -45,6 +45,7 @@ public:
     {
         return adoptRef(*new ContentExtensionStyleSheet(document));
     }
+    virtual ~ContentExtensionStyleSheet();
 
     bool addDisplayNoneSelector(const String& selector, uint32_t selectorID);