made point light shadows

src/utils/SkShadowPaintFilterCanvas.h

Index: src/utils/SkShadowPaintFilterCanvas.h
diff --git a/src/utils/SkShadowPaintFilterCanvas.h b/src/utils/SkShadowPaintFilterCanvas.h
index 698f6e117388dd5aa14064e7ba4c38bae26a7428..190c68b7ce6ee9ab54e083960fc09fef3a0718bd 100644
--- a/src/utils/SkShadowPaintFilterCanvas.h
+++ b/src/utils/SkShadowPaintFilterCanvas.h
@@ -37,11 +37,11 @@ public:
 
     void setShadowParams(const SkShadowParams &params);
 protected:
+    void updateMatrix();
+
     void onDrawPicture(const SkPicture *picture, const SkMatrix *matrix,
                        const SkPaint *paint) override;
 
-    void updateMatrix();
-
     void onDrawPaint(const SkPaint &paint) override;
 
     void onDrawPoints(PointMode mode, size_t count, const SkPoint pts[],