switch xfermodes over to sk_sp

tools/debugger/SkDebugCanvas.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 "SkCanvasPriv.h"
 #include "SkClipStack.h"
 #include "SkDebugCanvas.h"
@@ skipping 15 matching lines @@
 #define SKDEBUGCANVAS_ATTRIBUTE_AUDITTRAIL        "auditTrail"
 
 class DebugPaintFilterCanvas : public SkPaintFilterCanvas {
 public:
     DebugPaintFilterCanvas(int width,
                            int height,
                            bool overdrawViz,
                            bool overrideFilterQuality,
                            SkFilterQuality quality)
         : INHERITED(width, height)
-        , fOverdrawXfermode(overdrawViz ? SkOverdrawMode::Create() : nullptr)
+        , fOverdrawXfermode(overdrawViz ? SkOverdrawMode::Make() : nullptr)
         , fOverrideFilterQuality(overrideFilterQuality)
         , fFilterQuality(quality) {}
 
 protected:
     bool onFilter(SkTCopyOnFirstWrite<SkPaint>* paint, Type) const override {
         if (*paint) {
             if (nullptr != fOverdrawXfermode.get()) {
                 paint->writable()->setAntiAlias(false);
-                paint->writable()->setXfermode(fOverdrawXfermode.get());
+                paint->writable()->setXfermode(fOverdrawXfermode);
             }
 
             if (fOverrideFilterQuality) {
                 paint->writable()->setFilterQuality(fFilterQuality);
             }
         }
         return true;
     }
 
     void onDrawPicture(const SkPicture* picture,
                        const SkMatrix* matrix,
                        const SkPaint* paint) override {
         // We need to replay the picture onto this canvas in order to filter its internal paints.
         this->SkCanvas::onDrawPicture(picture, matrix, paint);
     }
 
 private:
-    SkAutoTUnref<SkXfermode> fOverdrawXfermode;
+    sk_sp<SkXfermode> fOverdrawXfermode;
 
     bool fOverrideFilterQuality;
     SkFilterQuality fFilterQuality;
 
     typedef SkPaintFilterCanvas INHERITED;
 };
 
 SkDebugCanvas::SkDebugCanvas(int width, int height)
         : INHERITED(width, height)
         , fPicture(nullptr)
@@ skipping 728 matching lines @@
 }
 
 bool SkDebugCanvas::lastClipStackData(const SkPath& devPath) {
     if (fCalledAddStackData) {
         fClipStackData.appendf("<br>");
         addPathData(devPath, "pathOut");
         return true;
     }
     return false;
 }