Swap SkPictureImageFilter's factories over to smart pointers

gm/filterfastbounds.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 "gm.h"
 #include "SkBlurImageFilter.h"
 #include "SkDropShadowImageFilter.h"
@@ skipping 238 matching lines @@
         sk_sp<SkPicture> pic;
 
         {
             SkPictureRecorder rec;
 
             SkCanvas* c = rec.beginRecording(10, 10);
             c->drawRect(SkRect::MakeWH(10, 10), blackFill);
             pic = rec.finishRecordingAsPicture();
         }
 
-        SkAutoTUnref<SkImageFilter> pif(SkPictureImageFilter::Create(pic.get()));
+        sk_sp<SkImageFilter> pif(SkPictureImageFilter::Make(pic));
 
         SkTArray<SkPaint> pifPaints;
-        create_paints(pif, &pifPaints);
+        create_paints(pif.get(), &pifPaints);
 
         //-----------
         // Paints with a SkImageSource as a source
 
         auto surface(SkSurface::MakeRasterN32Premul(10, 10));
         {
             SkPaint p;
             SkCanvas* temp = surface->getCanvas();
             temp->clear(SK_ColorYELLOW);
             p.setColor(SK_ColorBLUE);
@@ skipping 54 matching lines @@
     }
 
 private:
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 DEF_GM(return new ImageFilterFastBoundGM;)
 }