switch patheffects over to sk_sp

gm/strokes.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 "gm.h"
 #include "SkPath.h"
 #include "SkRandom.h"
@@ skipping 110 matching lines @@
             strokePaint.setAlpha(255);
             strokePaint.setStrokeWidth(i ? 8.f : 10.f);
             strokePaint.setStrokeCap(i ? SkPaint::kSquare_Cap : SkPaint::kRound_Cap);
             canvas->save();
             canvas->translate(10 + i * 100.f, 10);
             canvas->drawPath(fMoveHfPath, strokePaint);
             canvas->translate(0, 20);
             canvas->drawPath(fMoveZfPath, strokePaint);
             dashPaint = strokePaint;
             const SkScalar intervals[] = { 0, 10 };
-            dashPaint.setPathEffect(SkDashPathEffect::Create(intervals, 2, 0))->unref();
+            dashPaint.setPathEffect(SkDashPathEffect::Make(intervals, 2, 0));
             SkPath fillPath;
             dashPaint.getFillPath(fDashedfPath, &fillPath);
             canvas->translate(0, 20);
             canvas->drawPath(fDashedfPath, dashPaint);
             canvas->translate(0, 20);
             canvas->drawPath(fRefPath[i * 2], fillPaint);
             strokePaint.setStrokeWidth(20);
             strokePaint.setAlpha(127);
             canvas->translate(0, 50);
             canvas->drawPath(fMoveHfPath, strokePaint);
@@ skipping 374 matching lines @@
 //////////////////////////////////////////////////////////////////////////////
 
 DEF_GM( return new StrokesGM; )
 DEF_GM( return new Strokes2GM; )
 DEF_GM( return new Strokes3GM; )
 DEF_GM( return new Strokes4GM; )
 DEF_GM( return new Strokes5GM; )
 
 DEF_GM( return new ZeroLenStrokesGM; )
 DEF_GM( return new TeenyStrokesGM; )