switch maskfilters to sk_sp

include/effects/SkEmbossMaskFilter.h

Index: include/effects/SkEmbossMaskFilter.h
diff --git a/include/effects/SkEmbossMaskFilter.h b/include/effects/SkEmbossMaskFilter.h
index 72020bf3ce74663aa7e890d4899eec41146b7a47..8a3428245185caca709051b3b473a04ba1ac17c6 100644
--- a/include/effects/SkEmbossMaskFilter.h
+++ b/include/effects/SkEmbossMaskFilter.h
@@ -23,7 +23,13 @@ public:
         uint8_t     fSpecular;      // exponent, 4.4 right now
     };
 
-    static SkMaskFilter* Create(SkScalar blurSigma, const Light& light);
+    static sk_sp<SkMaskFilter> Make(SkScalar blurSigma, const Light& light);
+    
+#ifdef SK_SUPPORT_LEGACY_MASKFILTER_PTR
+    static SkMaskFilter* Create(SkScalar blurSigma, const Light& light) {
+        return Make(blurSigma, light).release();
+    }
+#endif
 
     // overrides from SkMaskFilter
     //  This method is not exported to java.