Add tileSKP option to nanobench

bench/SKPBench.h

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SKPBench_DEFINED
 #define SKPBench_DEFINED
 
@@ skipping 21 matching lines @@
 
 protected:
     const char* onGetName() override;
     const char* onGetUniqueName() override;
     void onPerCanvasPreDraw(SkCanvas*) override;
     void onPerCanvasPostDraw(SkCanvas*) override;
     bool isSuitableFor(Backend backend) override;
     void onDraw(int loops, SkCanvas* canvas) override;
     SkIPoint onGetSize() override;
 
+    virtual void drawPicture(SkCanvas*);
     virtual void drawMPDPicture();
-    virtual void drawPicture();
+    virtual void drawPictureTiled();
 
     const SkPicture* picture() const { return fPic; }
     const SkTDArray<SkSurface*>& surfaces() const { return fSurfaces; }
     const SkTDArray<SkIRect>& tileRects() const { return fTileRects; }
 
 private:
     SkAutoTUnref<const SkPicture> fPic;
     const SkIRect fClip;
     const SkScalar fScale;
     SkString fName;
     SkString fUniqueName;
 
     const bool fUseMultiPictureDraw;
     SkTDArray<SkSurface*> fSurfaces;   // for MultiPictureDraw
     SkTDArray<SkIRect> fTileRects;     // for MultiPictureDraw
 
     const bool fDoLooping;
 
     typedef Benchmark INHERITED;
 };
 
 #endif