Simplify parameters passed to path renderers

src/gpu/GrSoftwarePathRenderer.h

Index: src/gpu/GrSoftwarePathRenderer.h
diff --git a/src/gpu/GrSoftwarePathRenderer.h b/src/gpu/GrSoftwarePathRenderer.h
index d7991b84a38715be47dd8f89a0f30e9d2fe942ad..72a95152e29bd1460a88394477381c9050b8ba5b 100644
--- a/src/gpu/GrSoftwarePathRenderer.h
+++ b/src/gpu/GrSoftwarePathRenderer.h
@@ -23,10 +23,9 @@ public:
         : fContext(context) {
     }
 private:
-    virtual 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;