Wrap NV_path_rendering API with GrGLPathRendering

src/gpu/GrDrawTargetCaps.h

Index: src/gpu/GrDrawTargetCaps.h
diff --git a/src/gpu/GrDrawTargetCaps.h b/src/gpu/GrDrawTargetCaps.h
index 1a3a84cf2807c32f1a71d2ffe475e56f9909c816..1c7f3d8fc1e554ded71cc1c9ae20c681ba50e3a8 100644
--- a/src/gpu/GrDrawTargetCaps.h
+++ b/src/gpu/GrDrawTargetCaps.h
@@ -37,6 +37,7 @@ public:
     bool geometryShaderSupport() const { return fGeometryShaderSupport; }
     bool dualSourceBlendingSupport() const { return fDualSourceBlendingSupport; }
     bool pathRenderingSupport() const { return fPathRenderingSupport; }
+    bool pathRenderingV13Support() const { return fPathRenderingV13Support; }
     bool dstReadInShaderSupport() const { return fDstReadInShaderSupport; }
     bool discardRenderTargetSupport() const { return fDiscardRenderTargetSupport; }
     bool gpuTracingSupport() const { return fGpuTracingSupport; }
@@ -87,6 +88,7 @@ protected:
     bool fGeometryShaderSupport     : 1;
     bool fDualSourceBlendingSupport : 1;
     bool fPathRenderingSupport      : 1;
+    bool fPathRenderingV13Support   : 1;
     bool fDstReadInShaderSupport    : 1;
     bool fDiscardRenderTargetSupport: 1;
     bool fReuseScratchTextures      : 1;