Revert of switch patheffects over to sk_sp

src/core/SkDraw.cpp

Index: src/core/SkDraw.cpp
diff --git a/src/core/SkDraw.cpp b/src/core/SkDraw.cpp
index 60db401aea54408025f35e19c15d9668070ded33..c35247bd99fc68925deaff6a73ec76a79a5b55b0 100644
--- a/src/core/SkDraw.cpp
+++ b/src/core/SkDraw.cpp
@@ -1615,7 +1615,7 @@
 
     // Now restore the original settings, so we "draw" with whatever style/stroking.
     paint.setStyle(origPaint.getStyle());
-    paint.setPathEffect(sk_ref_sp(origPaint.getPathEffect()));
+    paint.setPathEffect(origPaint.getPathEffect());
 
     while (text < stop) {
         const SkGlyph& glyph = glyphCacheProc(cache.get(), &text);