Update DisplacementMapEffect to sk_sp

TBR=reed@google.com

GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1877783003

Committed: https://skia.googlesource.com/skia/+/a53011ef44705a091a8e24f7ea289a3f9ad759f2

Review URL: https://codereview.chromium.org/1877783003
diff --git a/bench/DisplacementBench.cpp b/bench/DisplacementBench.cpp
index 82857e6..9edf214 100644
--- a/bench/DisplacementBench.cpp
+++ b/bench/DisplacementBench.cpp
@@ -18,9 +18,7 @@
 
 class DisplacementBaseBench : public Benchmark {
 public:
-    DisplacementBaseBench(bool small) :
-        fInitialized(false), fIsSmall(small) {
-    }
+    DisplacementBaseBench(bool small) : fInitialized(false), fIsSmall(small) { }
 
 protected:
     void onDelayedSetup() override {
@@ -92,8 +90,7 @@
 
 class DisplacementZeroBench : public DisplacementBaseBench {
 public:
-    DisplacementZeroBench(bool small) : INHERITED(small) {
-    }
+    DisplacementZeroBench(bool small) : INHERITED(small) { }
 
 protected:
     const char* onGetName() override {
@@ -104,9 +101,10 @@
         SkPaint paint;
         sk_sp<SkImageFilter> displ(SkImageSource::Make(fCheckerboard));
         // No displacement effect
-        paint.setImageFilter(SkDisplacementMapEffect::Create(
-            SkDisplacementMapEffect::kR_ChannelSelectorType,
-            SkDisplacementMapEffect::kG_ChannelSelectorType, 0.0f, displ.get()))->unref();
+        paint.setImageFilter(SkDisplacementMapEffect::Make(
+                                                SkDisplacementMapEffect::kR_ChannelSelectorType,
+                                                SkDisplacementMapEffect::kG_ChannelSelectorType,
+                                                0.0f, std::move(displ), nullptr));
 
         for (int i = 0; i < loops; i++) {
             this->drawClippedBitmap(canvas, 0, 0, paint);
@@ -119,8 +117,7 @@
 
 class DisplacementAlphaBench : public DisplacementBaseBench {
 public:
-    DisplacementAlphaBench(bool small) : INHERITED(small) {
-    }
+    DisplacementAlphaBench(bool small) : INHERITED(small) { }
 
 protected:
     const char* onGetName() override {
@@ -131,11 +128,12 @@
         SkPaint paint;
         sk_sp<SkImageFilter> displ(SkImageSource::Make(fCheckerboard));
         // Displacement, with 1 alpha component (which isn't pre-multiplied)
-        paint.setImageFilter(SkDisplacementMapEffect::Create(
-            SkDisplacementMapEffect::kB_ChannelSelectorType,
-            SkDisplacementMapEffect::kA_ChannelSelectorType, 16.0f, displ.get()))->unref();
+        paint.setImageFilter(SkDisplacementMapEffect::Make(
+                                                SkDisplacementMapEffect::kB_ChannelSelectorType,
+                                                SkDisplacementMapEffect::kA_ChannelSelectorType,
+                                                16.0f, std::move(displ), nullptr));
         for (int i = 0; i < loops; i++) {
-            drawClippedBitmap(canvas, 100, 0, paint);
+            this->drawClippedBitmap(canvas, 100, 0, paint);
         }
     }
 
@@ -145,8 +143,7 @@
 
 class DisplacementFullBench : public DisplacementBaseBench {
 public:
-    DisplacementFullBench(bool small) : INHERITED(small) {
-    }
+    DisplacementFullBench(bool small) : INHERITED(small) { }
 
 protected:
     const char* onGetName() override {
@@ -157,9 +154,10 @@
         SkPaint paint;
         sk_sp<SkImageFilter> displ(SkImageSource::Make(fCheckerboard));
         // Displacement, with 2 non-alpha components
-        paint.setImageFilter(SkDisplacementMapEffect::Create(
-            SkDisplacementMapEffect::kR_ChannelSelectorType,
-            SkDisplacementMapEffect::kB_ChannelSelectorType, 32.0f, displ.get()))->unref();
+        paint.setImageFilter(SkDisplacementMapEffect::Make(
+                                                SkDisplacementMapEffect::kR_ChannelSelectorType,
+                                                SkDisplacementMapEffect::kB_ChannelSelectorType,
+                                                32.0f, std::move(displ), nullptr));
         for (int i = 0; i < loops; ++i) {
             this->drawClippedBitmap(canvas, 200, 0, paint);
         }