more shader-->sp conversions

gm/hairmodes.cpp

 /*
  * Copyright 2011 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 "SkCanvas.h"
 #include "SkColorPriv.h"
@@ skipping 40 matching lines @@
     for (int angle = 0; angle < 24; ++angle) {
         SkScalar x = SkScalarCos(SkIntToScalar(angle) * (SK_ScalarPI * 2) / 24) * gWidth;
         SkScalar y = SkScalarSin(SkIntToScalar(angle) * (SK_ScalarPI * 2) / 24) * gHeight;
         paint.setStrokeWidth(SK_Scalar1 * angle * 2 / 24);
         canvas->drawLine(W/2, H/2, W/2 + x, H/2 + y, paint);
     }
 
     return H;
 }
 
-static SkShader* make_bg_shader() {
+static sk_sp<SkShader> make_bg_shader() {
     SkBitmap bm;
     bm.allocN32Pixels(2, 2);
     *bm.getAddr32(0, 0) = *bm.getAddr32(1, 1) = 0xFFFFFFFF;
     *bm.getAddr32(1, 0) = *bm.getAddr32(0, 1) = SkPackARGB32(0xFF, 0xCE, 0xCF, 0xCE);
 
     SkMatrix m;
     m.setScale(SkIntToScalar(6), SkIntToScalar(6));
-    return SkShader::CreateBitmapShader(bm,
-                                        SkShader::kRepeat_TileMode,
-                                        SkShader::kRepeat_TileMode,
-                                        &m);
+    return SkShader::MakeBitmapShader(bm,
+                                      SkShader::kRepeat_TileMode, SkShader::kRepeat_TileMode, &m);
 }
 
 namespace skiagm {
 
     class HairModesGM : public GM {
         SkPaint fBGPaint;
 
     protected:
         SkString onShortName() override {
             return SkString("hairmodes");
         }
 
         virtual SkISize onISize() override { return SkISize::Make(640, 480); }
 
         void onOnceBeforeDraw() override {
-            fBGPaint.setShader(make_bg_shader())->unref();
+            fBGPaint.setShader(make_bg_shader());
         }
 
         void onDraw(SkCanvas* canvas) override {
             const SkRect bounds = SkRect::MakeWH(W, H);
             static const SkAlpha gAlphaValue[] = { 0xFF, 0x88, 0x88 };
 
             canvas->translate(SkIntToScalar(4), SkIntToScalar(4));
 
             for (int alpha = 0; alpha < 4; ++alpha) {
                 canvas->save();
@@ skipping 25 matching lines @@
     private:
         typedef GM INHERITED;
     };
 
     //////////////////////////////////////////////////////////////////////////////
 
     static GM* MyFactory(void*) { return new HairModesGM; }
     static GMRegistry reg(MyFactory);
 
 }