Remove SkAutoTUnref and SkAutoTDelete from public includes.

gm/deferredtextureimage.cpp

Index: gm/deferredtextureimage.cpp
diff --git a/gm/deferredtextureimage.cpp b/gm/deferredtextureimage.cpp
index 087c4eb686b43a30a81b7afa2ea04c4d957ab01f..1043c1b6d6b139a786d0a939aee0da5c83d7d422 100644
--- a/gm/deferredtextureimage.cpp
+++ b/gm/deferredtextureimage.cpp
@@ -22,7 +22,7 @@ static void DrawDeferredTextureImageData(SkCanvas* canvas,
         skiagm::GM::DrawGpuOnlyMessage(canvas);
         return;
     }
-    SkAutoTUnref<GrContextThreadSafeProxy> proxy(context->threadSafeProxy());
+    sk_sp<GrContextThreadSafeProxy> proxy(context->threadSafeProxy());
 
 
 
@@ -80,7 +80,7 @@ static void DrawDeferredTextureImageMipMapTree(SkCanvas* canvas, SkImage* image,
         skiagm::GM::DrawGpuOnlyMessage(canvas);
         return;
     }
-    SkAutoTUnref<GrContextThreadSafeProxy> proxy(context->threadSafeProxy());
+    sk_sp<GrContextThreadSafeProxy> proxy(context->threadSafeProxy());
 
     SkPaint paint;
     paint.setFilterQuality(params->fQuality);