update callsites for Make image factories

gm/grayscalejpg.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "Resources.h"
 #include "SkImage.h"
 #include "gm.h"
 
 /*
  *  Test decoding grayscale JPEG
  *  http://crbug.com/436079
  */
 DEF_SIMPLE_GM(grayscalejpg, canvas, 128, 128) {
     const char kResource[] = "grayscale.jpg";
-    SkAutoTUnref<SkImage> image(GetResourceAsImage(kResource));
+    sk_sp<SkImage> image(GetResourceAsImage(kResource));
     if (image) {
         canvas->drawImage(image, 0.0f, 0.0f);
     } else {
         SkDebugf("\nCould not decode file '%s'. Did you forget"
                  " to set the resourcePath?\n", kResource);
     }
 }