Just an experiment

src/gpu/batches/GrNonAAFillRectBatch.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrNonAAFillRectBatch_DEFINED
 #define GrNonAAFillRectBatch_DEFINED
 
 #include "GrColor.h"
 
+class GrBatch;
 class GrDrawBatch;
 class SkMatrix;
 struct SkRect;
 
 namespace GrNonAAFillRectBatch {
 
 GrDrawBatch* Create(GrColor color,
                     const SkMatrix& viewMatrix,
                     const SkRect& rect,
                     const SkRect* localRect,
                     const SkMatrix* localMatrix);
 
 GrDrawBatch* CreateWithPerspective(GrColor color,
                                    const SkMatrix& viewMatrix,
                                    const SkRect& rect,
                                    const SkRect* localRect,
                                    const SkMatrix* localMatrix);
 
-bool Append(GrColor color,
+bool Append(GrBatch*,
+            GrColor color,
             const SkMatrix& viewMatrix,
             const SkRect& rect,
             const SkRect* localRect,
             const SkMatrix* localMatrix);
 
 };
 
 #endif