use Make instead of Create to return a shared shader

samplecode/SampleFatBits.cpp

Index: samplecode/SampleFatBits.cpp
diff --git a/samplecode/SampleFatBits.cpp b/samplecode/SampleFatBits.cpp
index f3a2f6c54a50f46c280f42883956c4b9b223126d..4b15e370e496ed092e43f01cedcadc76fed3c8ad 100644
--- a/samplecode/SampleFatBits.cpp
+++ b/samplecode/SampleFatBits.cpp
@@ -88,8 +88,7 @@ public:
         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));
@@ -111,7 +110,7 @@ private:
     int fW, fH, fZoom;
     SkMatrix fMatrix, fInverse;
     SkRect   fBounds, fClipRect;
-    SkAutoTUnref<SkShader> fShader;
+    sk_sp<SkShader> fShader;
     SkAutoTUnref<SkSurface> fMinSurface;
     SkAutoTUnref<SkSurface> fMaxSurface;