bench, samples, etc: s/SkAutoTUnref/sk_sp/

GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=4437

Change-Id: Ice071684ac8a99e4bb405b4b9be8e8f42c7bac42
Reviewed-on: https://skia-review.googlesource.com/4437
Reviewed-by: Ben Wagner <bungeman@google.com>
Commit-Queue: Hal Canary <halcanary@google.com>
diff --git a/experimental/SkPerlinNoiseShader2/SkPerlinNoiseShader2.cpp b/experimental/SkPerlinNoiseShader2/SkPerlinNoiseShader2.cpp
index c0652bf..fcbf017 100644
--- a/experimental/SkPerlinNoiseShader2/SkPerlinNoiseShader2.cpp
+++ b/experimental/SkPerlinNoiseShader2/SkPerlinNoiseShader2.cpp
@@ -1321,14 +1321,15 @@
     if (fType == kImprovedNoise_Type) {
         GrTextureParams textureParams(SkShader::TileMode::kRepeat_TileMode, 
                                       GrTextureParams::FilterMode::kNone_FilterMode);
-        SkAutoTUnref<GrTexture> permutationsTexture(
+        sk_sp<GrTexture> permutationsTexture(
             GrRefCachedBitmapTexture(args.fContext, paintingData->getImprovedPermutationsBitmap(),
                                      textureParams, args.fGammaTreatment));
-        SkAutoTUnref<GrTexture> gradientTexture(
+        sk_sp<GrTexture> gradientTexture(
             GrRefCachedBitmapTexture(args.fContext, paintingData->getGradientBitmap(),
                                      textureParams, args.fGammaTreatment));
         return GrImprovedPerlinNoiseEffect::Make(fNumOctaves, fSeed, paintingData,
-                                                   permutationsTexture, gradientTexture, m);
+                                                 permutationsTexture.get(),
+                                                 gradientTexture.get(), m);
     }
 
     if (0 == fNumOctaves) {
@@ -1347,10 +1348,10 @@
                                            GrConstColorProcessor::kIgnore_InputMode);
     }
 
-    SkAutoTUnref<GrTexture> permutationsTexture(
+    sk_sp<GrTexture> permutationsTexture(
         GrRefCachedBitmapTexture(args.fContext, paintingData->getPermutationsBitmap(),
                                  GrTextureParams::ClampNoFilter(), args.fGammaTreatment));
-    SkAutoTUnref<GrTexture> noiseTexture(
+    sk_sp<GrTexture> noiseTexture(
         GrRefCachedBitmapTexture(args.fContext, paintingData->getNoiseBitmap(),
                                  GrTextureParams::ClampNoFilter(), args.fGammaTreatment));
 
@@ -1360,7 +1361,7 @@
                                        fNumOctaves,
                                        fStitchTiles,
                                        paintingData,
-                                       permutationsTexture, noiseTexture,
+                                       permutationsTexture.get(), noiseTexture.get(),
                                        m));
         return GrFragmentProcessor::MulOutputByInputAlpha(std::move(inner));
     }