switch patheffects over to sk_sp

src/gpu/text/GrTextUtils.cpp

Index: src/gpu/text/GrTextUtils.cpp
diff --git a/src/gpu/text/GrTextUtils.cpp b/src/gpu/text/GrTextUtils.cpp
index c46ea73d058d91243e3ebf4eebc37cdf0ec0eac6..edf813dcc057c50385096a1eaef3ec29f6515fc0 100644
--- a/src/gpu/text/GrTextUtils.cpp
+++ b/src/gpu/text/GrTextUtils.cpp
@@ -517,7 +517,7 @@ void GrTextUtils::DrawPosTextAsPath(GrContext* context,
 
     // Now restore the original settings, so we "draw" with whatever style/stroking.
     paint.setStyle(origPaint.getStyle());
-    paint.setPathEffect(origPaint.getPathEffect());
+    paint.setPathEffect(sk_ref_sp(origPaint.getPathEffect()));
 
     while (text < stop) {
         const SkGlyph& glyph = glyphCacheProc(cache, &text);