more shader-->sp conversions

gm/rects.cpp

 /*
  * Copyright 2013 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 "SkBlurDrawLooper.h"
 #include "SkBlurMask.h"
@@ skipping 62 matching lines @@
         }
 
         {
             // AA with radial shader
             SkPaint p;
             p.setColor(SK_ColorWHITE);
             p.setAntiAlias(true);
             SkPoint center = SkPoint::Make(SkIntToScalar(-5), SkIntToScalar(30));
             SkColor colors[] = { SK_ColorBLUE, SK_ColorRED, SK_ColorGREEN };
             SkScalar pos[] = { 0, SK_ScalarHalf, SK_Scalar1 };
-            SkShader* s = SkGradientShader::CreateRadial(center,
-                                                         SkIntToScalar(20),
-                                                         colors,
-                                                         pos,
-                                                         SK_ARRAY_COUNT(colors),
-                                                         SkShader::kClamp_TileMode);
-            p.setShader(s)->unref();
+            p.setShader(SkGradientShader::MakeRadial(center, 20, colors, pos,
+                                                     SK_ARRAY_COUNT(colors),
+                                                     SkShader::kClamp_TileMode));
             fPaints.push_back(p);
         }
 
         {
             // AA with blur
             SkPaint p;
             p.setColor(SK_ColorWHITE);
             p.setAntiAlias(true);
             SkDrawLooper* shadowLooper =
                 SkBlurDrawLooper::Create(SK_ColorWHITE,
@@ skipping 187 matching lines @@
 
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static GM* MyFactory(void*) { return new RectsGM; }
 static GMRegistry reg(MyFactory);
 
 }