Eliminate special case nvpr batch handling

include/gpu/GrDrawContext.h

Index: include/gpu/GrDrawContext.h
diff --git a/include/gpu/GrDrawContext.h b/include/gpu/GrDrawContext.h
index 7bb9aafc78127252680ee0c88ead0ac79617ae5a..a0aeec18b7d86a1f9a26fd94b1751056719e94cf 100644
--- a/include/gpu/GrDrawContext.h
+++ b/include/gpu/GrDrawContext.h
@@ -265,14 +265,6 @@ public:
      */
     void drawBatch(const GrClip&, const GrPaint&, GrDrawBatch*);
 
-    /**
-     * Draws a path batch. This needs to be separate from drawBatch because we install path stencil
-     * settings late.
-     *
-     * TODO: Figure out a better model that allows us to roll this method into drawBatch.
-     */
-    void drawPathBatch(const GrPipelineBuilder&, GrDrawPathBatchBase*);
-
     int width() const { return fRenderTarget->width(); }
     int height() const { return fRenderTarget->height(); }
     int numColorSamples() const { return fRenderTarget->numColorSamples(); }
@@ -301,6 +293,7 @@ protected:
 
 private:
     friend class GrAtlasTextBlob; // for access to drawBatch
+    friend class GrStencilAndCoverTextContext; // for access to drawBatch
     friend class GrDrawingManager; // for ctor
     friend class GrDrawContextPriv;