switch patheffects over to sk_sp

samplecode/ClockFaceView.cpp

Index: samplecode/ClockFaceView.cpp
diff --git a/samplecode/ClockFaceView.cpp b/samplecode/ClockFaceView.cpp
index 11684e11ada34150d462a6e744c7b333512fba64..f5b43fb82f72864cd37bc27320860d999c7d9c7c 100644
--- a/samplecode/ClockFaceView.cpp
+++ b/samplecode/ClockFaceView.cpp
@@ -132,16 +132,16 @@ private:
 
 SkFlattenable* InverseFillPE::CreateProc(SkReadBuffer& buffer) { return new InverseFillPE; }
 
-static SkPathEffect* makepe(float interp, SkTDArray<SkPoint>* pts) {
+static sk_sp<SkPathEffect> makepe(float interp, SkTDArray<SkPoint>* pts) {
     SkMatrix    lattice;
     SkScalar    rad = 3 + SkIntToScalar(4) * (1 - interp);
     lattice.setScale(rad*2, rad*2, 0, 0);
     lattice.postSkew(SK_Scalar1/3, 0, 0, 0);
-    return new Dot2DPathEffect(rad, lattice, pts);
+    return sk_make_sp<Dot2DPathEffect>(rad, lattice, pts);
 }
 
 static void r7(SkLayerRasterizer::Builder* rastBuilder, SkPaint& p, SkScalar interp) {
-    p.setPathEffect(makepe(SkScalarToFloat(interp), nullptr))->unref();
+    p.setPathEffect(makepe(SkScalarToFloat(interp), nullptr));
     rastBuilder->addLayer(p);
 #if 0
     p.setPathEffect(new InverseFillPE())->unref();
@@ -201,7 +201,7 @@ protected:
 
     static void drawdots(SkCanvas* canvas, const SkPaint& orig) {
         SkTDArray<SkPoint> pts;
-        SkPathEffect* pe = makepe(0, &pts);
+        auto pe = makepe(0, &pts);
 
         SkStrokeRec rec(SkStrokeRec::kFill_InitStyle);
         SkPath path, dstPath;
@@ -212,8 +212,7 @@ protected:
         p.setAntiAlias(true);
         p.setStrokeWidth(10);
         p.setColor(SK_ColorRED);
-        canvas->drawPoints(SkCanvas::kPoints_PointMode, pts.count(), pts.begin(),
-                           p);
+        canvas->drawPoints(SkCanvas::kPoints_PointMode, pts.count(), pts.begin(), p);
     }
 
     virtual void onDraw(SkCanvas* canvas) {