Fix pointer-events:all when stroke="none"

Source/core/layout/svg/LayoutSVGShape.h

Index: Source/core/layout/svg/LayoutSVGShape.h
diff --git a/Source/core/layout/svg/LayoutSVGShape.h b/Source/core/layout/svg/LayoutSVGShape.h
index 6c4a6d6f13bc302d84d20ad1edf42da8870b8c82..2be5b019bf700480dd700fb0d26c33cd26bdcd3b 100644
--- a/Source/core/layout/svg/LayoutSVGShape.h
+++ b/Source/core/layout/svg/LayoutSVGShape.h
@@ -86,6 +86,11 @@ protected:
     void createPath();
 
     virtual void updateShapeFromElement();
+    // Calculates an inclusive bounding box of this shape as if this shape has
+    // a stroke. If this shape has a stroke, then m_strokeBoundingBox is returned;
+    // otherwise, estimates a bounding box (not necessarily tight) that would
+    // include this shape's stroke bounding box if it had a stroke.
+    virtual FloatRect hitTestStrokeBoundingBox() const;
     virtual bool shapeDependentStrokeContains(const FloatPoint&);
     virtual bool shapeDependentFillContains(const FloatPoint&, const WindRule) const;