Update DisplacementMapEffect to sk_sp

samplecode/SampleFilterFuzz.cpp

Index: samplecode/SampleFilterFuzz.cpp
diff --git a/samplecode/SampleFilterFuzz.cpp b/samplecode/SampleFilterFuzz.cpp
index 5f06731ae5203128d46f7f8cbb3a0d65b0c0d9af..12b6a8af9993976ae7b918c0ff53adea878ffd80 100644
--- a/samplecode/SampleFilterFuzz.cpp
+++ b/samplecode/SampleFilterFuzz.cpp
@@ -709,17 +709,13 @@ 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));