switch patheffects over to sk_sp

gm/stroketext.cpp

 /*
  * Copyright 2014 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 "SkCanvas.h"
 #include "SkDashPathEffect.h"
@@ skipping 37 matching lines @@
     draw_text_stroked(canvas, paint, 10);
 
     canvas->translate(200, 0);
     draw_text_stroked(canvas, paint, 0);
 
     const SkScalar intervals[] = { 20, 10, 5, 10 };
     const SkScalar phase = 0;
 
     canvas->translate(200, 0);
     SkPaint p(paint);
-    p.setPathEffect(SkDashPathEffect::Create(intervals, SK_ARRAY_COUNT(intervals), phase))->unref();
+    p.setPathEffect(SkDashPathEffect::Make(intervals, SK_ARRAY_COUNT(intervals), phase));
     draw_text_stroked(canvas, p, 10);
 }
 
 namespace {
     enum {
         kBelowThreshold_TextSize = 255,
         kAboveThreshold_TextSize = 257
     };
 }
 
 DEF_SIMPLE_GM(stroketext, canvas, 1200, 480) {
         if (true) { test_nulldev(canvas); }
         SkPaint paint;
         paint.setAntiAlias(true);
         sk_tool_utils::set_portable_typeface(&paint);
 
         paint.setTextSize(kBelowThreshold_TextSize);
         draw_text_set(canvas, paint);
 
         canvas->translate(600, 0);
         paint.setTextSize(kAboveThreshold_TextSize);
         draw_text_set(canvas, paint);
 }