Change to add zoom animations to nanobench

bench/SKPBench.h

Index: bench/SKPBench.h
diff --git a/bench/SKPBench.h b/bench/SKPBench.h
index f17281c13a41e099243e0ccb054dc3d78e6103f3..3b645e97346df2d13bd428794caa82324ed56069 100644
--- a/bench/SKPBench.h
+++ b/bench/SKPBench.h
@@ -30,6 +30,13 @@ protected:
     void onDraw(const int loops, SkCanvas* canvas) override;
     SkIPoint onGetSize() override;
 
+    virtual void drawMPDPicture();
+    virtual void drawPicture();
+
+    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;