switch xfermodes over to sk_sp

gm/aaxfermodes.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.
  */
 #include "gm.h"
 #include "SkArithmeticMode.h"
 #include "SkPath.h"
 #include "SkShader.h"
@@ skipping 192 matching lines @@
         if (mode == SkXfermode::kPlus_Mode) {
             // Check for overflow, otherwise we might get confusing AA artifacts.
             int maxSum = SkTMax(SkTMax(SkColorGetA(kBGColor) + SkColorGetA(color),
                                        SkColorGetR(kBGColor) + SkColorGetR(color)),
                                 SkTMax(SkColorGetG(kBGColor) + SkColorGetG(color),
                                        SkColorGetB(kBGColor) + SkColorGetB(color)));
 
             if (maxSum > 255) {
                 SkPaint dimPaint;
                 dimPaint.setAntiAlias(false);
-                dimPaint.setXfermode(SkXfermode::Create(SkXfermode::kDstIn_Mode));
+                dimPaint.setXfermode(SkXfermode::Make(SkXfermode::kDstIn_Mode));
                 if (255 != paint->getAlpha()) {
                     // Dim the src and dst colors.
                     dimPaint.setARGB(255 * 255 / maxSum, 0, 0, 0);
                     paint->setAlpha(255 * paint->getAlpha() / maxSum);
                 } else {
                     // Just clear the dst, we need to preserve the paint's opacity.
                     dimPaint.setARGB(0, 0, 0, 0);
                 }
                 canvas->drawRectCoords(-kShapeSpacing/2, -kShapeSpacing/2,
                                        kShapeSpacing/2 + 3 * kShapeTypeSpacing,
                                        kShapeSpacing/2, dimPaint);
             }
         }
     }
 
     void drawShape(SkCanvas* canvas, Shape shape, const SkPaint& paint, SkXfermode::Mode mode) {
         SkPaint shapePaint(paint);
         shapePaint.setAntiAlias(kSquare_Shape != shape);
 
-        SkAutoTUnref<SkXfermode> xfermode;
+        sk_sp<SkXfermode> xfermode;
         if (mode <= SkXfermode::kLastMode) {
-            xfermode.reset(SkXfermode::Create(mode));
+            xfermode = SkXfermode::Make(mode);
         } else {
-            xfermode.reset(SkArithmeticMode::Create(+1.0f, +0.25f, -0.5f, +0.1f));
+            xfermode = SkArithmeticMode::Make(+1.0f, +0.25f, -0.5f, +0.1f);
         }
-        shapePaint.setXfermode(xfermode);
+        shapePaint.setXfermode(std::move(xfermode));
 
         switch (shape) {
             case kSquare_Shape:
                 canvas->drawRectCoords(-kShapeSize/2, -kShapeSize/2, kShapeSize/2, kShapeSize/2,
                                        shapePaint);
                 break;
 
             case kDiamond_Shape:
                 canvas->save();
                 canvas->rotate(45);
@@ skipping 25 matching lines @@
 
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static GM* MyFactory(void*) { return new AAXfermodesGM; }
 static GMRegistry reg(MyFactory);
 
 }