1 files changed, 3 insertions, 0 deletions
diff --git a/Source/WebCore/rendering/svg/RenderSVGTransformableContainer.h b/Source/WebCore/rendering/svg/RenderSVGTransformableContainer.h
index 401bfa858..c9c607ba2 100644
--- a/Source/WebCore/rendering/svg/RenderSVGTransformableContainer.h
+++ b/Source/WebCore/rendering/svg/RenderSVGTransformableContainer.h
@@ -31,14 +31,17 @@ class RenderSVGTransformableContainer : public RenderSVGContainer {
 public:
     explicit RenderSVGTransformableContainer(SVGStyledTransformableElement*);
 
+    virtual bool isSVGTransformableContainer() const { return true; }
     virtual const AffineTransform& localToParentTransform() const { return m_localTransform; }
     virtual void setNeedsTransformUpdate() { m_needsTransformUpdate = true; }
+    virtual bool didTransformToRootUpdate() { return m_didTransformToRootUpdate; }
 
 private:
     virtual bool calculateLocalTransform();
     virtual AffineTransform localTransform() const { return m_localTransform; }
 
     bool m_needsTransformUpdate : 1;
+    bool m_didTransformToRootUpdate : 1;
     AffineTransform m_localTransform;
 };
 }