Simplify parameters passed to path renderers

src/gpu/GrAADistanceFieldPathRenderer.h

Index: src/gpu/GrAADistanceFieldPathRenderer.h
diff --git a/src/gpu/GrAADistanceFieldPathRenderer.h b/src/gpu/GrAADistanceFieldPathRenderer.h
index 30846e433ee2982fc3803138f7832bf3f9eaf5ad..469aeeb981241bce1dd4a34e7440f5ef59d17988 100755
--- a/src/gpu/GrAADistanceFieldPathRenderer.h
+++ b/src/gpu/GrAADistanceFieldPathRenderer.h
@@ -24,10 +24,9 @@ public:
     virtual ~GrAADistanceFieldPathRenderer();
 
 private:
-    StencilSupport onGetStencilSupport(const GrDrawTarget*,
-                                       const GrPipelineBuilder*,
-                                       const SkPath&,
-                                       const GrStrokeInfo&) const override;
+    StencilSupport onGetStencilSupport(const SkPath&, const GrStrokeInfo&) const override {
+        return GrPathRenderer::kNoSupport_StencilSupport;
+    }
 
     bool onCanDrawPath(const CanDrawPathArgs&) const override;