Revert of switch patheffects over to sk_sp

gm/dashcubics.cpp

Index: gm/dashcubics.cpp
diff --git a/gm/dashcubics.cpp b/gm/dashcubics.cpp
index 7736f2b47c5ee24f92d1562d6289fab2f5d52463..1773303f0c8d04306e15e25c43ebeb97901d59ed 100644
--- a/gm/dashcubics.cpp
+++ b/gm/dashcubics.cpp
@@ -14,24 +14,26 @@
 /*
  *  Inspired by http://code.google.com/p/chromium/issues/detail?id=112145
  */
-static void flower(SkCanvas* canvas, const SkPath& path, SkScalar intervals[2],
-                   SkPaint::Join join) {
-    SkPaint paint;
-    paint.setAntiAlias(true);
-    paint.setStyle(SkPaint::kStroke_Style);
-    paint.setStrokeJoin(join);
-    paint.setStrokeWidth(42);
-    canvas->drawPath(path, paint);
+static void flower(SkCanvas* canvas, const SkPath& path,
+                   SkScalar intervals[2], SkPaint::Join join) {
+        SkPathEffect* pe = SkDashPathEffect::Create(intervals, 2, 0);
 
-    paint.setColor(SK_ColorRED);
-    paint.setStrokeWidth(21);
-    paint.setPathEffect(SkDashPathEffect::Make(intervals, 2, 0));
-    canvas->drawPath(path, paint);
+        SkPaint paint;
+        paint.setAntiAlias(true);
+        paint.setStyle(SkPaint::kStroke_Style);
+        paint.setStrokeJoin(join);
+        paint.setStrokeWidth(42);
+        canvas->drawPath(path, paint);
 
-    paint.setColor(SK_ColorGREEN);
-    paint.setPathEffect(nullptr);
-    paint.setStrokeWidth(0);
-    canvas->drawPath(path, paint);
+        paint.setColor(SK_ColorRED);
+        paint.setStrokeWidth(21);
+        paint.setPathEffect(pe)->unref();
+        canvas->drawPath(path, paint);
+
+        paint.setColor(SK_ColorGREEN);
+        paint.setPathEffect(nullptr);
+        paint.setStrokeWidth(0);
+        canvas->drawPath(path, paint);
 }
 
 DEF_SIMPLE_GM(dashcubics, canvas, 860, 700) {