Update MagnifierImageFilter to sk_sp

bench/MagnifierBench.cpp

Index: bench/MagnifierBench.cpp
diff --git a/bench/MagnifierBench.cpp b/bench/MagnifierBench.cpp
index 61850597fa03ae609c015c1e45a7bc22994eede9..98deade164f5f19339f058940bd9783c98b80e32 100644
--- a/bench/MagnifierBench.cpp
+++ b/bench/MagnifierBench.cpp
@@ -38,11 +38,11 @@ protected:
         const int h = fIsSmall ? FILTER_HEIGHT_SMALL : FILTER_HEIGHT_LARGE;
         SkPaint paint;
         paint.setImageFilter(
-            SkMagnifierImageFilter::Create(
+            SkMagnifierImageFilter::Make(
                 SkRect::MakeXYWH(SkIntToScalar(w / 4),
                                  SkIntToScalar(h / 4),
                                  SkIntToScalar(w / 2),
-                                 SkIntToScalar(h / 2)), 100))->unref();
+                                 SkIntToScalar(h / 2)), 100, nullptr));
 
         for (int i = 0; i < loops; i++) {
             canvas->drawBitmap(fCheckerboard, 0, 0, &paint);