Update SkMorphology ImageFilters to sk_sp

samplecode/SampleLayers.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 "SampleCode.h"
 #include "SkView.h"
 #include "SkCanvas.h"
@@ skipping 227 matching lines @@
 #include "SkMatrixConvolutionImageFilter.h"
 #include "SkMorphologyImageFilter.h"
 
 #include "Resources.h"
 #include "SkAnimTimer.h"
 
 class BackdropView : public SampleView {
     SkPoint fCenter;
     SkScalar fAngle;
     sk_sp<SkImage> fImage;
-    SkAutoTUnref<SkImageFilter> fFilter;
+    sk_sp<SkImageFilter> fFilter;
 public:
     BackdropView() {
         fCenter.set(200, 150);
         fAngle = 0;
         fImage = GetResourceAsImage("mandrill_512.png");
-        fFilter.reset(SkDilateImageFilter::Create(8, 8));
+        fFilter = SkDilateImageFilter::Make(8, 8, nullptr);
     }
 
 protected:
     // overrides from SkEventSink
     bool onQuery(SkEvent* evt) override {
         if (SampleCode::TitleQ(*evt)) {
             SampleCode::TitleR(evt, "Backdrop");
             return true;
         }
         return this->INHERITED::onQuery(evt);
     }
 
     void onDrawContent(SkCanvas* canvas) override {
         canvas->drawImage(fImage.get(), 0, 0, nullptr);
 
         const SkScalar w = 250;
         const SkScalar h = 150;
         SkPath path;
         path.addOval(SkRect::MakeXYWH(-w/2, -h/2, w, h));
         SkMatrix m;
         m.setRotate(fAngle);
         m.postTranslate(fCenter.x(), fCenter.y());
         path.transform(m);
 
         canvas->clipPath(path, SkRegion::kIntersect_Op, true);
         const SkRect bounds = path.getBounds();
 
         SkPaint paint;
         paint.setAlpha(0xCC);
-        canvas->saveLayer({ &bounds, &paint, fFilter, 0 });
+        canvas->saveLayer({ &bounds, &paint, fFilter.get(), 0 });
 
         canvas->restore();
     }
 
     bool onAnimate(const SkAnimTimer& timer) override {
         fAngle = SkDoubleToScalar(fmod(timer.secs() * 360 / 5, 360));
         return true;
     }
 
     SkView::Click* onFindClickHandler(SkScalar x, SkScalar y, unsigned modi) override {
         this->inval(nullptr);
         return new Click(this);
     }
 
     bool onClick(Click* click) override {
         this->inval(nullptr);
         fCenter = click->fCurr;
         return this->INHERITED::onClick(click);
     }
 
 private:
     typedef SampleView INHERITED;
 };
 DEF_SAMPLE( return new BackdropView; )