change flattenable factory to return sk_sp

src/effects/SkMorphologyImageFilter.cpp

 /*
  * Copyright 2012 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 "SkMorphologyImageFilter.h"
 
 #include "SkBitmap.h"
@@ skipping 54 matching lines @@
 }
 
 SkIRect SkMorphologyImageFilter::onFilterNodeBounds(const SkIRect& src, const SkMatrix& ctm,
                                                     MapDirection) const {
     SkVector radius = SkVector::Make(SkIntToScalar(this->radius().width()),
                                      SkIntToScalar(this->radius().height()));
     ctm.mapVectors(&radius, 1);
     return src.makeOutset(SkScalarCeilToInt(radius.x()), SkScalarCeilToInt(radius.y()));
 }
 
-SkFlattenable* SkErodeImageFilter::CreateProc(SkReadBuffer& buffer) {
+sk_sp<SkFlattenable> SkErodeImageFilter::CreateProc(SkReadBuffer& buffer) {
     SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 1);
     const int width = buffer.readInt();
     const int height = buffer.readInt();
-    return Create(width, height, common.getInput(0).get(), &common.cropRect());
+    return sk_sp<SkFlattenable>(Create(width, height, common.getInput(0).get(),
+                                       &common.cropRect()));
 }
 
-SkFlattenable* SkDilateImageFilter::CreateProc(SkReadBuffer& buffer) {
+sk_sp<SkFlattenable> SkDilateImageFilter::CreateProc(SkReadBuffer& buffer) {
     SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 1);
     const int width = buffer.readInt();
     const int height = buffer.readInt();
-    return Create(width, height, common.getInput(0).get(), &common.cropRect());
+    return sk_sp<SkFlattenable>(Create(width, height, common.getInput(0).get(),
+                                       &common.cropRect()));
 }
 
 #ifndef SK_IGNORE_TO_STRING
 void SkErodeImageFilter::toString(SkString* str) const {
     str->appendf("SkErodeImageFilter: (");
     str->appendf("radius: (%d,%d)", this->radius().fWidth, this->radius().fHeight);
     str->append(")");
 }
 #endif
 
@@ skipping 517 matching lines @@
                     inputPixmap.rowBytesAsPixels(),
                     &dst, height, srcBounds);
     }
     offset->fX = bounds.left();
     offset->fY = bounds.top();
 
     return SkSpecialImage::MakeFromRaster(source->internal_getProxy(),
                                           SkIRect::MakeWH(bounds.width(), bounds.height()),
                                           dst);
 }