Implement path cover with nv_path_rendering

src/gpu/gl/GrGpuGL.h

Index: src/gpu/gl/GrGpuGL.h
diff --git a/src/gpu/gl/GrGpuGL.h b/src/gpu/gl/GrGpuGL.h
index 50dbc14844fd61adb2ce6191a52e8be4ce52bbda..2ea1458c78dd7b812934dbec85bd0f3b1b53175a 100644
--- a/src/gpu/gl/GrGpuGL.h
+++ b/src/gpu/gl/GrGpuGL.h
@@ -145,11 +145,10 @@ private:
 
     virtual void onGpuDraw(const DrawInfo&) SK_OVERRIDE;
 
-    virtual void setStencilPathSettings(const GrPath&,
-                                        SkPath::FillType,
-                                        GrStencilSettings* settings)
-                                        SK_OVERRIDE;
+
+    const GrStencilSettings& getStencilPathSettings(const GrPath&, SkPath::FillType fill) SK_OVERRIDE;
     virtual void onGpuStencilPath(const GrPath*, SkPath::FillType) SK_OVERRIDE;
+    virtual void onGpuDrawPath(const GrPath*, SkPath::FillType) SK_OVERRIDE;
 
     virtual void clearStencil() SK_OVERRIDE;
     virtual void clearStencilClip(const SkIRect& rect,
@@ -427,6 +426,7 @@ private:
     GrGLProgram::MatrixState    fHWProjectionMatrixState;
 
     GrStencilSettings           fHWStencilSettings;
+    GrStencilSettings           fHWStencilPathSettings;
     TriState                    fHWStencilTestEnabled;
 
     GrDrawState::DrawFace       fHWDrawFace;