Reland of "switch patheffects over to sk_sp (patchset #5 id:80001 of https://codereview.chromium.or…

src/effects/SkLayerDrawLooper.cpp

Index: src/effects/SkLayerDrawLooper.cpp
diff --git a/src/effects/SkLayerDrawLooper.cpp b/src/effects/SkLayerDrawLooper.cpp
index bca65ef77a2c43cac9860b9815ff272510de85e6..83f21e5b405b46afb712377cc8c74c92036162f9 100644
--- a/src/effects/SkLayerDrawLooper.cpp
+++ b/src/effects/SkLayerDrawLooper.cpp
@@ -93,7 +93,7 @@ void SkLayerDrawLooper::LayerDrawLooperContext::ApplyInfo(
     }
 
     if (bits & kPathEffect_Bit) {
-        dst->setPathEffect(src.getPathEffect());
+        dst->setPathEffect(sk_ref_sp(src.getPathEffect()));
     }
     if (bits & kMaskFilter_Bit) {
         dst->setMaskFilter(src.getMaskFilter());