Update MagnifierImageFilter to sk_sp

include/effects/SkMagnifierImageFilter.h

Index: include/effects/SkMagnifierImageFilter.h
diff --git a/include/effects/SkMagnifierImageFilter.h b/include/effects/SkMagnifierImageFilter.h
index bea03adab36a7594f3abebf71db0600eb8d929f2..739f1eec733167df3df5806de464918218c01a8f 100644
--- a/include/effects/SkMagnifierImageFilter.h
+++ b/include/effects/SkMagnifierImageFilter.h
@@ -14,13 +14,20 @@
 
 class SK_API SkMagnifierImageFilter : public SkImageFilter {
 public:
-    static SkImageFilter* Create(const SkRect& src, SkScalar inset, SkImageFilter* input = NULL);
+    static sk_sp<SkImageFilter> Make(const SkRect& src, SkScalar inset, sk_sp<SkImageFilter> input);
 
     SK_TO_STRING_OVERRIDE()
     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkMagnifierImageFilter)
 
+#ifdef SK_SUPPORT_LEGACY_IMAGEFILTER_PTR
+    static SkImageFilter* Create(const SkRect& src, SkScalar inset,
+                                 SkImageFilter* input = nullptr) {
+        return Make(src, inset, sk_ref_sp<SkImageFilter>(input)).release();
+    }
+#endif
+
 protected:
-    SkMagnifierImageFilter(const SkRect& srcRect, SkScalar inset, SkImageFilter* input);
+    SkMagnifierImageFilter(const SkRect& srcRect, SkScalar inset, sk_sp<SkImageFilter> input);
     void flatten(SkWriteBuffer&) const override;
 
     bool onFilterImageDeprecated(Proxy*, const SkBitmap& src, const Context&,