Simplify parameters passed to path renderers

src/gpu/GrTessellatingPathRenderer.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrTessellatingPathRenderer_DEFINED
 #define GrTessellatingPathRenderer_DEFINED
 
 #include "GrPathRenderer.h"
 
 /**
  *  Subclass that renders the path by converting to screen-space trapezoids plus
  *   extra 1-pixel geometry for AA.
  */
 class SK_API GrTessellatingPathRenderer : public GrPathRenderer {
 public:
     GrTessellatingPathRenderer();
 
 private:
     bool onCanDrawPath(const CanDrawPathArgs& ) const override;
 
-    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 onDrawPath(const DrawPathArgs&) override;
 
     typedef GrPathRenderer INHERITED;
 };
 
 #endif