use Make instead of Create to return a shared shader

samplecode/SampleFatBits.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "sk_tool_utils.h"
 #include "SampleCode.h"
 #include "SkView.h"
@@ skipping 70 matching lines @@
     Style getStyle() const { return fStyle; }
     void setStyle(Style s) { fStyle = s; }
 
     void setWHZ(int width, int height, int zoom) {
         fW = width;
         fH = height;
         fZoom = zoom;
         fBounds.set(0, 0, SkIntToScalar(width * zoom), SkIntToScalar(height * zoom));
         fMatrix.setScale(SkIntToScalar(zoom), SkIntToScalar(zoom));
         fInverse.setScale(SK_Scalar1 / zoom, SK_Scalar1 / zoom);
-        fShader.reset(sk_tool_utils::create_checkerboard_shader(
-                              0xFFCCCCCC, 0xFFFFFFFF, zoom));
+        fShader = sk_tool_utils::create_checkerboard_shader(0xFFCCCCCC, 0xFFFFFFFF, zoom);
 
         SkImageInfo info = SkImageInfo::MakeN32Premul(width, height);
         fMinSurface.reset(SkSurface::NewRaster(info));
         info = info.makeWH(width * zoom, height * zoom);
         fMaxSurface.reset(SkSurface::NewRaster(info));
     }
 
     void drawBG(SkCanvas*);
     void drawFG(SkCanvas*);
     void drawLine(SkCanvas*, SkPoint pts[2]);
     void drawRect(SkCanvas* canvas, SkPoint pts[2]);
     void drawTriangle(SkCanvas* canvas, SkPoint pts[3]);
 
     SkPaint::Cap fStrokeCap;
 
 private:
     bool fAA, fGrid, fShowSkeleton, fUseGPU, fUseClip, fRectAsOval, fUseTriangle;
     Style fStyle;
     int fW, fH, fZoom;
     SkMatrix fMatrix, fInverse;
     SkRect   fBounds, fClipRect;
-    SkAutoTUnref<SkShader> fShader;
+    sk_sp<SkShader> fShader;
     SkAutoTUnref<SkSurface> fMinSurface;
     SkAutoTUnref<SkSurface> fMaxSurface;
 
     void setupPaint(SkPaint* paint) {
         bool aa = this->getAA();
         paint->setStrokeCap(fStrokeCap);
         switch (fStyle) {
             case kHair_Style:
                 paint->setStrokeWidth(0);
                 break;
@@ skipping 401 matching lines @@
 
 private:
 
     typedef SampleView INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static SkView* MyFactory() { return new DrawLineView; }
 static SkViewRegister reg(MyFactory);