Add tileSKP option to nanobench

bench/SKPAnimationBench.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 SKPAnimationBench_DEFINED
 #define SKPAnimationBench_DEFINED
 
@@ skipping 19 matching lines @@
 
     static Animation* CreateZoomAnimation(SkScalar zoomMax, double zoomPeriodMs);
 
 protected:
     const char* onGetUniqueName() override;
     void onPerCanvasPreDraw(SkCanvas* canvas) override;
 
     void drawMPDPicture() override {
         SkFAIL("MPD not supported\n");
     }
-    void drawPicture() override;
+    void drawPicture(SkCanvas*) override;
+    void drawPictureTiled() override;
 
 private:
     SkAutoTUnref<Animation>   fAnimation;
     WallTimer                 fAnimationTimer;
     SkString                  fUniqueName;
     SkIRect                   fDevBounds;
 
     typedef SKPBench INHERITED;
 };
 
 #endif