Revert of more shader-->sp conversions

gm/imagefromyuvtextures.cpp

 
 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 // This test only works with the GPU backend.
 
@@ skipping 22 matching lines @@
     SkISize onISize() override {
         return SkISize::Make(50, 135);
     }
 
     void onOnceBeforeDraw() override {
         // We create an RGB bitmap and then extract YUV bmps where the U and V bitmaps are
         // subsampled by 2 in both dimensions.
         SkPaint paint;
         static const SkColor kColors[] =
             { SK_ColorBLUE, SK_ColorYELLOW, SK_ColorGREEN, SK_ColorWHITE };
-        paint.setShader(SkGradientShader::MakeRadial(SkPoint::Make(0,0), kBmpSize / 2.f, kColors,
-                                                     nullptr, SK_ARRAY_COUNT(kColors),
-                                                     SkShader::kMirror_TileMode));
+        paint.setShader(SkGradientShader::CreateRadial(SkPoint::Make(0,0), kBmpSize / 2.f, kColors,
+                                                       nullptr, SK_ARRAY_COUNT(kColors),
+                                                       SkShader::kMirror_TileMode))->unref();
         SkBitmap rgbBmp;
         rgbBmp.allocN32Pixels(kBmpSize, kBmpSize, true);
         SkCanvas canvas(rgbBmp);
         canvas.drawPaint(paint);
         SkPMColor* rgbColors = static_cast<SkPMColor*>(rgbBmp.getPixels());
 
         SkImageInfo yinfo = SkImageInfo::MakeA8(kBmpSize, kBmpSize);
         fYUVBmps[0].allocPixels(yinfo);
         SkImageInfo uinfo = SkImageInfo::MakeA8(kBmpSize / 2, kBmpSize / 2);
         fYUVBmps[1].allocPixels(uinfo);
@@ skipping 110 matching lines @@
 
     static const int kBmpSize = 32;
 
     typedef GM INHERITED;
 };
 
 DEF_GM(return new ImageFromYUVTextures;)
 }
 
 #endif