change flattenable factory to return sk_sp

src/effects/SkTableMaskFilter.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 "SkTableMaskFilter.h"
 #include "SkReadBuffer.h"
@@ skipping 55 matching lines @@
 }
 
 SkMask::Format SkTableMaskFilter::getFormat() const {
     return SkMask::kA8_Format;
 }
 
 void SkTableMaskFilter::flatten(SkWriteBuffer& wb) const {
     wb.writeByteArray(fTable, 256);
 }
 
-SkFlattenable* SkTableMaskFilter::CreateProc(SkReadBuffer& buffer) {
+sk_sp<SkFlattenable> SkTableMaskFilter::CreateProc(SkReadBuffer& buffer) {
     uint8_t table[256];
     if (!buffer.readByteArray(table, 256)) {
         return nullptr;
     }
-    return Create(table);
+    return sk_sp<SkFlattenable>(Create(table));
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
 void SkTableMaskFilter::MakeGammaTable(uint8_t table[256], SkScalar gamma) {
     const float dx = 1 / 255.0f;
     const float g = SkScalarToFloat(gamma);
 
     float x = 0;
     for (int i = 0; i < 256; i++) {
@@ skipping 43 matching lines @@
 
     str->append("table: ");
     for (int i = 0; i < 255; ++i) {
         str->appendf("%d, ", fTable[i]);
     }
     str->appendf("%d", fTable[255]);
 
     str->append(")");
 }
 #endif