change flattenable factory to return sk_sp

src/effects/SkDashPathEffect.cpp

 /*
  * Copyright 2006 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 "SkDashPathEffect.h"
 
 #include "SkDashPathPriv.h"
@@ skipping 342 matching lines @@
         info->fPhase = fPhase;
     }
     return kDash_DashType;
 }
 
 void SkDashPathEffect::flatten(SkWriteBuffer& buffer) const {
     buffer.writeScalar(fPhase);
     buffer.writeScalarArray(fIntervals, fCount);
 }
 
-SkFlattenable* SkDashPathEffect::CreateProc(SkReadBuffer& buffer) {
+sk_sp<SkFlattenable> SkDashPathEffect::CreateProc(SkReadBuffer& buffer) {
     const SkScalar phase = buffer.readScalar();
     uint32_t count = buffer.getArrayCount();
     SkAutoSTArray<32, SkScalar> intervals(count);
     if (buffer.readScalarArray(intervals.get(), count)) {
-        return Make(intervals.get(), SkToInt(count), phase).release();
+        return Make(intervals.get(), SkToInt(count), phase);
     }
     return nullptr;
 }
 
 #ifndef SK_IGNORE_TO_STRING
 void SkDashPathEffect::toString(SkString* str) const {
     str->appendf("SkDashPathEffect: (");
     str->appendf("count: %d phase %.2f intervals: (", fCount, fPhase);
     for (int i = 0; i < fCount; ++i) {
         str->appendf("%.2f", fIntervals[i]);
         if (i < fCount-1) {
             str->appendf(", ");
         }
     }
     str->appendf("))");
 }
 #endif
 
 //////////////////////////////////////////////////////////////////////////////////////////////////
 
 sk_sp<SkPathEffect> SkDashPathEffect::Make(const SkScalar intervals[], int count, SkScalar phase) {
     if (!SkDashPath::ValidDashPath(phase, intervals, count)) {
         return nullptr;
     }
     return sk_sp<SkPathEffect>(new SkDashPathEffect(intervals, count, phase));
 }