Imported QtWebKit TP3 (git b57bc6801f1876c3220d5a4bfea33d620d477443)

Change-Id: I3b1d8a2808782c9f34d50240000e20cb38d3680f
Reviewed-by: Konstantin Tokarev <annulen@yandex.ru>

1 files changed, 3 insertions, 2 deletions

diff --git a/Source/WebCore/rendering/RenderOverflow.h b/Source/WebCore/rendering/RenderOverflow.h
index 2430b882d..257030527 100644
--- a/Source/WebCore/rendering/RenderOverflow.h
+++ b/Source/WebCore/rendering/RenderOverflow.h
@@ -22,6 +22,7 @@
 #define RenderOverflow_h
 
 #include "LayoutRect.h"
+#include <wtf/RefCounted.h>
 
 namespace WebCore
 {
@@ -34,10 +35,10 @@ namespace WebCore
 // Layout overflow examples include other boxes that spill out of our box,  For example, in the inline case a tall image
 // could spill out of a line box. 
     
-// Examples of visual overflow are shadows, text stroke (and eventually outline and border-image).
+// Examples of visual overflow are shadows, text stroke, outline (and eventually border-image).
 
 // This object is allocated only when some of these fields have non-default values in the owning box.
-class RenderOverflow {
+class RenderOverflow : public WTF::RefCounted<RenderOverflow> {
     WTF_MAKE_NONCOPYABLE(RenderOverflow); WTF_MAKE_FAST_ALLOCATED;
 public:
     RenderOverflow(const LayoutRect& layoutRect, const LayoutRect& visualRect)