Update DisplacementMapEffect to sk_sp

gm/imagefilterscropexpand.cpp

Index: gm/imagefilterscropexpand.cpp
diff --git a/gm/imagefilterscropexpand.cpp b/gm/imagefilterscropexpand.cpp
index 3d5fcf3612f217071fcb27d90e31fc12d71a82fc..4ce845d9eea06ff1f6ce831a72b038a698f55873 100644
--- a/gm/imagefilterscropexpand.cpp
+++ b/gm/imagefilterscropexpand.cpp
@@ -107,13 +107,12 @@ protected:
                                     &bigRect));
 
             Draw(canvas, checkerboard, rect,
-                 sk_sp<SkImageFilter>(SkDisplacementMapEffect::Create(
-                                                SkDisplacementMapEffect::kR_ChannelSelectorType,
-                                                SkDisplacementMapEffect::kR_ChannelSelectorType,
-                                                SkIntToScalar(12),
-                                                gradientCircleSource.get(),
-                                                noopCropped.get(),
-                                                &bigRect)));
+                 SkDisplacementMapEffect::Make(SkDisplacementMapEffect::kR_ChannelSelectorType,
+                                               SkDisplacementMapEffect::kR_ChannelSelectorType,
+                                               SkIntToScalar(12),
+                                               gradientCircleSource,
+                                               noopCropped,
+                                               &bigRect));
 
             Draw(canvas, checkerboard, rect,
                  SkOffsetImageFilter::Make(SkIntToScalar(-8), SkIntToScalar(16),