[iOS WK2] Don't create backing store for -webkit-overflow-scrolling:touch that can...

[WebKit-https.git] / Source / WebCore / rendering / RenderLayer.h

diff --git a/Source/WebCore/rendering/RenderLayer.h b/Source/WebCore/rendering/RenderLayer.h
index 992256a..fc59177 100644 (file)
--- a/Source/WebCore/rendering/RenderLayer.h
+++ b/Source/WebCore/rendering/RenderLayer.h
@@ -460,6 +460,8 @@ public:
 
     // Returns true when the layer could do touch scrolling, but doesn't look at whether there is actually scrollable overflow.
     bool hasAcceleratedTouchScrolling() const;
+    // Returns true when there is actually scrollable overflow (requires layout to be up-to-date).
+    bool hasTouchScrollableOverflow() const;
 #endif
 
     int verticalScrollbarWidth(OverlayScrollbarSizeRelevancy = IgnoreOverlayScrollbarSize) const;