Simplify parameters passed to path renderers

src/gpu/GrAADistanceFieldPathRenderer.cpp

Index: src/gpu/GrAADistanceFieldPathRenderer.cpp
diff --git a/src/gpu/GrAADistanceFieldPathRenderer.cpp b/src/gpu/GrAADistanceFieldPathRenderer.cpp
index 1858f000e46e5e54b4c4faaed90e35f4fb70d259..32a7262da7162b278ba1b476c98baf56b42d3228 100755
--- a/src/gpu/GrAADistanceFieldPathRenderer.cpp
+++ b/src/gpu/GrAADistanceFieldPathRenderer.cpp
@@ -85,7 +85,7 @@ bool GrAADistanceFieldPathRenderer::onCanDrawPath(const CanDrawPathArgs& args) c
     
     // TODO: Support inverse fill
     // TODO: Support strokes
-    if (!args.fTarget->caps()->shaderCaps()->shaderDerivativeSupport() || !args.fAntiAlias ||
+    if (!args.fShaderCaps->shaderDerivativeSupport() || !args.fAntiAlias ||
         args.fPath->isInverseFillType() || args.fPath->isVolatile() ||
         !args.fStroke->isFillStyle()) {
         return false;
@@ -104,14 +104,6 @@ bool GrAADistanceFieldPathRenderer::onCanDrawPath(const CanDrawPathArgs& args) c
     return maxDim < 64.f && maxDim * maxScale < 256.f;
 }
 
-GrPathRenderer::StencilSupport
-GrAADistanceFieldPathRenderer::onGetStencilSupport(const GrDrawTarget*,
-                                                   const GrPipelineBuilder*,
-                                                   const SkPath&,
-                                                   const GrStrokeInfo&) const {
-    return GrPathRenderer::kNoSupport_StencilSupport;
-}
-
 ////////////////////////////////////////////////////////////////////////////////
 
 // padding around path bounds to allow for antialiased pixels