Bring sk_sp to GrDrawContext

tests/RectangleTextureTest.cpp

Index: tests/RectangleTextureTest.cpp
diff --git a/tests/RectangleTextureTest.cpp b/tests/RectangleTextureTest.cpp
index 3c2a50d630f66b070ea23f286b80c978436e503b..8c3bdd6a4a55b6507d8feb61c154fae8131baa9f 100644
--- a/tests/RectangleTextureTest.cpp
+++ b/tests/RectangleTextureTest.cpp
@@ -89,7 +89,8 @@ static void test_copy_surface_dst(skiatest::Reporter* reporter, GrContext* conte
 static void test_clear(skiatest::Reporter* reporter, GrContext* context,
                        GrTexture* rectangleTexture) {
     if (rectangleTexture->asRenderTarget()) {
-        SkAutoTUnref<GrDrawContext> dc(context->drawContext(rectangleTexture->asRenderTarget()));
+        sk_sp<GrDrawContext> dc(
+                            context->drawContext(sk_ref_sp(rectangleTexture->asRenderTarget())));
         if (!dc) {
             ERRORF(reporter, "Could not get GrDrawContext for rectangle texture.");
             return;