switch surface to sk_sp

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1817383002
CQ_EXTRA_TRYBOTS=client.skia.compile:Build-Ubuntu-GCC-x86_64-Release-CMake-Trybot,Build-Mac-Clang-x86_64-Release-CMake-Trybot

Review URL: https://codereview.chromium.org/1817383002
diff --git a/tests/TextBlobCacheTest.cpp b/tests/TextBlobCacheTest.cpp
index b7456d6..6ec3263 100644
--- a/tests/TextBlobCacheTest.cpp
+++ b/tests/TextBlobCacheTest.cpp
@@ -66,8 +66,7 @@
     }
 
     SkImageInfo info = SkImageInfo::Make(kWidth, kHeight, kN32_SkColorType, kPremul_SkAlphaType);
-    SkAutoTUnref<SkSurface> surface(SkSurface::NewRenderTarget(context, SkBudgeted::kNo, info,
-                                                               0, &props));
+    auto surface(SkSurface::MakeRenderTarget(context, SkBudgeted::kNo, info, 0, &props));
     REPORTER_ASSERT(reporter, surface);
     if (!surface) {
         return;
@@ -133,7 +132,7 @@
     // create surface where LCD is impossible
     info = SkImageInfo::MakeN32Premul(kWidth, kHeight);
     SkSurfaceProps propsNoLCD(0, kUnknown_SkPixelGeometry);
-    SkAutoTUnref<SkSurface> surfaceNoLCD(canvas->newSurface(info, &propsNoLCD));
+    auto surfaceNoLCD(canvas->makeSurface(info, &propsNoLCD));
     REPORTER_ASSERT(reporter, surface);
     if (!surface) {
         return;