Stop creating static GrProcessor instances

src/effects/SkLumaColorFilter.cpp

Index: src/effects/SkLumaColorFilter.cpp
diff --git a/src/effects/SkLumaColorFilter.cpp b/src/effects/SkLumaColorFilter.cpp
index 39d2bbf2caf37a61e6325141f25686f52aede2d0..03db0bb78bef50dc78affad1a7046ac69f8247f8 100644
--- a/src/effects/SkLumaColorFilter.cpp
+++ b/src/effects/SkLumaColorFilter.cpp
@@ -55,8 +55,7 @@ void SkLumaColorFilter::toString(SkString* str) const {
 class LumaColorFilterEffect : public GrFragmentProcessor {
 public:
     static const GrFragmentProcessor* Create() {
-        static LumaColorFilterEffect gLumaEffect;
-        return SkRef(&gLumaEffect);
+        return new LumaColorFilterEffect;
     }
 
     const char* name() const override { return "Luminance-to-Alpha"; }