change flattenable factory to return sk_sp

src/effects/SkXfermodeImageFilter.cpp

 /*
  * Copyright 2013 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkXfermodeImageFilter.h"
 #include "SkCanvas.h"
 #include "SkDevice.h"
@@ skipping 19 matching lines @@
     return sk_sp<SkImageFilter>(new SkXfermodeImageFilter(mode, inputs, cropRect));
 }
 
 SkXfermodeImageFilter::SkXfermodeImageFilter(sk_sp<SkXfermode> mode,
                                              SkImageFilter* inputs[2],
                                              const CropRect* cropRect)
     : INHERITED(2, inputs, cropRect)
     , fMode(std::move(mode))
 {}
 
-SkFlattenable* SkXfermodeImageFilter::CreateProc(SkReadBuffer& buffer) {
+sk_sp<SkFlattenable> SkXfermodeImageFilter::CreateProc(SkReadBuffer& buffer) {
     SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 2);
     sk_sp<SkXfermode> mode(buffer.readXfermode());
-    return Make(std::move(mode), common.getInput(0).get(),
-                common.getInput(1).get(), &common.cropRect()).release();
+    return Make(std::move(mode), common.getInput(0).get(), common.getInput(1).get(),
+                &common.cropRect());
 }
 
 void SkXfermodeImageFilter::flatten(SkWriteBuffer& buffer) const {
     this->INHERITED::flatten(buffer);
     buffer.writeFlattenable(fMode.get());
 }
 
 bool SkXfermodeImageFilter::onFilterImageDeprecated(Proxy* proxy,
                                                     const SkBitmap& src,
                                                     const Context& ctx,
@@ skipping 185 matching lines @@
     matrix.setTranslate(SkIntToScalar(-bounds.left()), SkIntToScalar(-bounds.top()));
     drawContext->drawRect(GrClip::WideOpen(), paint, matrix, SkRect::Make(bounds));
 
     offset->fX = bounds.left();
     offset->fY = bounds.top();
     GrWrapTextureInBitmap(dst, bounds.width(), bounds.height(), false, result);
     return true;
 }
 
 #endif