more shader-->sp conversions

gm/lcdblendmodes.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.
  */
 
 
 /* 
  * Tests text rendering with LCD and the various blend modes.
  */
 
 #include "gm.h"
 #include "SkCanvas.h"
 #include "SkGradientShader.h"
 #include "SkSurface.h"
 
 namespace skiagm {
 
 static const int kColWidth = 180;
 static const int kNumCols = 4;
 static const int kWidth = kColWidth * kNumCols;
 static const int kHeight = 750;
 
-static SkShader* make_shader(const SkRect& bounds) {
+static sk_sp<SkShader> make_shader(const SkRect& bounds) {
     const SkPoint pts[] = {
         { bounds.left(), bounds.top() },
         { bounds.right(), bounds.bottom() },
     };
     const SkColor colors[] = {
         SK_ColorRED, SK_ColorGREEN,
     };
-    return SkGradientShader::CreateLinear(pts,
-                                          colors, nullptr, SK_ARRAY_COUNT(colors),
-                                          SkShader::kRepeat_TileMode);
+    return SkGradientShader::MakeLinear(pts, colors, nullptr, SK_ARRAY_COUNT(colors),
+                                        SkShader::kRepeat_TileMode);
 }
 
 class LcdBlendGM : public skiagm::GM {
 public:
     LcdBlendGM() {
         const int kPointSize = 25;
         fTextHeight = SkIntToScalar(kPointSize);
     }
     
 protected:
@@ skipping 83 matching lines @@
             paint.setColor(textColor);
             paint.setAntiAlias(true);
             paint.setSubpixelText(true);
             paint.setLCDRenderText(true);
             paint.setTextSize(fTextHeight);
             paint.setXfermode(xfermode);
             sk_tool_utils::set_portable_typeface(&paint);
             if (useGrad) {
                 SkRect r;
                 r.setXYWH(0, y - fTextHeight, SkIntToScalar(kColWidth), fTextHeight);
-                paint.setShader(make_shader(r))->unref();
+                paint.setShader(make_shader(r));
             }
             SkString string(gModes[m].fLabel);
             canvas->drawText(gModes[m].fLabel, string.size(), 0, y, paint);
             y+=fTextHeight;
         }
     }
     
 private:
     SkScalar fTextHeight;
     sk_sp<SkShader> fCheckerboard;
     typedef skiagm::GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 DEF_GM( return new LcdBlendGM; )
 }