switch xfermodes over to sk_sp

gm/avoidxfermode3.cpp

 /*
 * Copyright 2016 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 "SkAvoidXfermode.h"
@@ skipping 20 matching lines @@
         p0.setAntiAlias(true);
 
         canvas->drawRect(r, p0);
 
         r = SkRect::MakeXYWH(3.5f, 3.5f, 59.0f, 59.0f);
 
         // UL corner: replace white with green with a tight tolerance
         SkPaint p1;
         p1.setColor(SK_ColorGREEN);
         p1.setAntiAlias(true);
-        p1.setXfermode(SkAvoidXfermode::Create(SK_ColorWHITE,
-                                               5,
-                                               SkAvoidXfermode::kTargetColor_Mode))->unref();
+        p1.setXfermode(SkAvoidXfermode::Make(SK_ColorWHITE, 5, SkAvoidXfermode::kTargetColor_Mode));
 
         canvas->drawRect(r, p1);
 
         r.offsetTo(65.5f, 3.5f);
 
         // UR corner: draw red everywhere except white with a tight tolerance
         SkPaint p2;
         p2.setColor(SK_ColorRED);
         p2.setAntiAlias(true);
-        p2.setXfermode(SkAvoidXfermode::Create(SK_ColorWHITE,
-                                               250,
-                                               SkAvoidXfermode::kAvoidColor_Mode))->unref();
+        p2.setXfermode(SkAvoidXfermode::Make(SK_ColorWHITE, 250,
+                                             SkAvoidXfermode::kAvoidColor_Mode));
 
         canvas->drawRect(r, p2);
 
         r.offsetTo(3.5f, 65.5f);
 
         // LL corner: replace white with blue with a loose tolerance
         SkPaint p3;
         p3.setColor(SK_ColorBLUE);
         p3.setAntiAlias(true);
-        p3.setXfermode(SkAvoidXfermode::Create(SK_ColorWHITE,
-                                               250,
-                                               SkAvoidXfermode::kTargetColor_Mode))->unref();
+        p3.setXfermode(SkAvoidXfermode::Make(SK_ColorWHITE, 250,
+                                             SkAvoidXfermode::kTargetColor_Mode));
 
         canvas->drawRect(r, p3);
 
         r.offsetTo(65.5f, 65.5f);
 
         // LR corner: draw yellow everywhere except white with a loose tolerance
         SkPaint p4;
         p4.setColor(SK_ColorYELLOW);
         p4.setAntiAlias(true);
-        p4.setXfermode(SkAvoidXfermode::Create(SK_ColorWHITE,
-                                               5,
-                                               SkAvoidXfermode::kAvoidColor_Mode))->unref();
+        p4.setXfermode(SkAvoidXfermode::Make(SK_ColorWHITE, 5, SkAvoidXfermode::kAvoidColor_Mode));
 
         canvas->drawRect(r, p4);
     }
 
 private:
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 DEF_GM(return new AvoidXfermode3GM;)