switch patheffects over to sk_sp

gm/bug530095.cpp

 /*
  * Copyright 2016 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 "SkDashPathEffect.h"
 
 DEF_SIMPLE_GM(bug530095, canvas, 900, 1200) {
     SkPath path1, path2;
     path1.addCircle(200, 200, 124);
     path2.addCircle(2, 2, 1.24f);
 
     SkPaint paint;
     paint.setAntiAlias(true);
     paint.setStyle(SkPaint::kStroke_Style);
     paint.setStrokeWidth(26);
     SkScalar intervals[] = {700, 700 };
     int intervalCount = (int) SK_ARRAY_COUNT(intervals);
-    paint.setPathEffect(SkDashPathEffect::Create(intervals, intervalCount, -40))->unref();
+    paint.setPathEffect(SkDashPathEffect::Make(intervals, intervalCount, -40));
     canvas->drawPath(path1, paint);
 
     paint.setStrokeWidth(0.26f);
     SkScalar smIntervals[] = {7, 7 };
     int smIntervalCount = (int) SK_ARRAY_COUNT(smIntervals);
-    paint.setPathEffect(SkDashPathEffect::Create(smIntervals, smIntervalCount, -0.40f))->unref();
+    paint.setPathEffect(SkDashPathEffect::Make(smIntervals, smIntervalCount, -0.40f));
     canvas->save();
     canvas->scale(100, 100);
     canvas->translate(4, 0);
     canvas->drawPath(path2, paint);
     canvas->restore();
 
     paint.setStrokeWidth(26);
-    paint.setPathEffect(SkDashPathEffect::Create(intervals, intervalCount, 0))->unref();
+    paint.setPathEffect(SkDashPathEffect::Make(intervals, intervalCount, 0));
     canvas->save();
     canvas->translate(0, 400);
     canvas->drawPath(path1, paint);
     canvas->restore();
 
     paint.setStrokeWidth(0.26f);
-    paint.setPathEffect(SkDashPathEffect::Create(smIntervals, smIntervalCount, 0))->unref();
+    paint.setPathEffect(SkDashPathEffect::Make(smIntervals, smIntervalCount, 0));
     canvas->scale(100, 100);
     canvas->translate(4, 4);
     canvas->drawPath(path2, paint);
 }
 
 DEF_SIMPLE_GM(bug591993, canvas, 40, 140) {
     SkPaint p;
     p.setColor(SK_ColorRED);
     p.setAntiAlias(true);
     p.setStyle(SkPaint::kStroke_Style);
     p.setStrokeCap(SkPaint::kRound_Cap);
     p.setStrokeWidth(10);
-    SkScalar intervals[] = { 100, 100 };
-    SkPathEffect* dash = SkDashPathEffect::Create(intervals, SK_ARRAY_COUNT(intervals), 100);
-    p.setPathEffect(dash)->unref();
+    const SkScalar intervals[] = { 100, 100 };
+    p.setPathEffect(SkDashPathEffect::Make(intervals, SK_ARRAY_COUNT(intervals), 100));
     canvas->drawLine(20, 20, 120, 20, p);
 }