switch colorfilters to sk_sp

src/utils/SkRGBAToYUV.cpp

 /*
  * Copyright 2016 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkRGBAToYUV.h"
 #include "SkCanvas.h"
 #include "SkColorMatrixFilterRowMajor255.h"
@@ skipping 31 matching lines @@
                 SkImageInfo::MakeA8(sizes[i].fWidth, sizes[i].fHeight), planes[i], rb));
         if (!surface) {
             return false;
         }
         SkPaint paint;
         paint.setFilterQuality(kLow_SkFilterQuality);
         paint.setXfermodeMode(SkXfermode::kSrc_Mode);
         int rowStartIdx = 5 * i;
         const SkScalar* row = kYUVColorSpaceInvMatrices[colorSpace] + rowStartIdx;
         paint.setColorFilter(
-                SkColorMatrixFilterRowMajor255::CreateSingleChannelOutput(row))->unref();
+                SkColorMatrixFilterRowMajor255::MakeSingleChannelOutput(row));
         surface->getCanvas()->drawImageRect(image, SkIRect::MakeWH(image->width(), image->height()),
                                             SkRect::MakeIWH(surface->width(), surface->height()),
                                             &paint);
     }
     return true;
 }