change flattenable factory to return sk_sp

samplecode/ClockFaceView.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"
 #include "SkReadBuffer.h"
@@ skipping 83 matching lines @@
         buffer.writeScalar(fRadius);
     }
 
 private:
     SkScalar fRadius;
     SkTDArray<SkPoint>* fPts;
 
     typedef Sk2DPathEffect INHERITED;
 };
 
-SkFlattenable* Dot2DPathEffect::CreateProc(SkReadBuffer& buffer) {
+sk_sp<SkFlattenable> Dot2DPathEffect::CreateProc(SkReadBuffer& buffer) {
     SkMatrix matrix;
     buffer.readMatrix(&matrix);
-    return new Dot2DPathEffect(buffer.readScalar(), matrix, nullptr);
+    return sk_make_sp<Dot2DPathEffect>(buffer.readScalar(), matrix, nullptr);
 }
 
 class InverseFillPE : public SkPathEffect {
 public:
     InverseFillPE() {}
     virtual bool filterPath(SkPath* dst, const SkPath& src,
                             SkStrokeRec*, const SkRect*) const override {
         *dst = src;
         dst->setFillType(SkPath::kInverseWinding_FillType);
         return true;
     }
 
 #ifndef SK_IGNORE_TO_STRING
     void toString(SkString* str) const override {
         str->appendf("InverseFillPE: ()");
     }
 #endif
 
     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(InverseFillPE)
 
 private:
     typedef SkPathEffect INHERITED;
 };
 
-SkFlattenable* InverseFillPE::CreateProc(SkReadBuffer& buffer) { return new InverseFillPE; }
+sk_sp<SkFlattenable> InverseFillPE::CreateProc(SkReadBuffer& buffer) {
+    return sk_make_sp<InverseFillPE>();
+}
 
 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 sk_make_sp<Dot2DPathEffect>(rad, lattice, pts);
 }
 
 static void r7(SkLayerRasterizer::Builder* rastBuilder, SkPaint& p, SkScalar interp) {
@@ skipping 106 matching lines @@
     }
 
 private:
     typedef SkView INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static SkView* MyFactory() { return new ClockFaceView; }
 static SkViewRegister reg(MyFactory);