Update DisplacementMapEffect to sk_sp

fuzz/FilterFuzz.cpp

Index: fuzz/FilterFuzz.cpp
diff --git a/fuzz/FilterFuzz.cpp b/fuzz/FilterFuzz.cpp
index 791fe01a33e2be5f5dfc8d98fd8bb5adfa1ba275..484bbf7624dda68dc2a712189622d9760e17f882 100644
--- a/fuzz/FilterFuzz.cpp
+++ b/fuzz/FilterFuzz.cpp
@@ -706,17 +706,13 @@ static sk_sp<SkImageFilter> make_image_filter(bool canBeNull) {
         }
         break;
     }
-    case DISPLACE: {
-        sk_sp<SkImageFilter> subFilter1(make_image_filter(false));
-        sk_sp<SkImageFilter> subFilter2(make_image_filter());
-
-        filter = sk_sp<SkImageFilter>(SkDisplacementMapEffect::Create(make_channel_selector_type(),
-                                                                      make_channel_selector_type(),
-                                                                      make_scalar(),
-                                                                      subFilter1.get(),
-                                                                      subFilter2.get()));
+    case DISPLACE:
+        filter = SkDisplacementMapEffect::Make(make_channel_selector_type(),
+                                               make_channel_selector_type(),
+                                               make_scalar(),
+                                               make_image_filter(false),
+                                               make_image_filter());
         break;
-    }
     case TILE: {
         sk_sp<SkImageFilter> subFilter(make_image_filter(false));