Major bench refactoring.

bench/PerlinNoiseBench.cpp

Index: bench/PerlinNoiseBench.cpp
diff --git a/bench/PerlinNoiseBench.cpp b/bench/PerlinNoiseBench.cpp
index d1518252104b6bfb3bdd95d383283d7a3127fad1..605acf4f3678b2661ccda441beded9bc99cfcc63 100644
--- a/bench/PerlinNoiseBench.cpp
+++ b/bench/PerlinNoiseBench.cpp
@@ -48,7 +48,10 @@ private:
                                                  seed, stitchTiles ? &fSize : NULL);
         SkPaint paint;
         paint.setShader(shader)->unref();
-        this->drawClippedRect(canvas, x, y, paint);
+
+        for (int i = 0; i < this->getLoops(); i++) {
+            this->drawClippedRect(canvas, x, y, paint);
+        }
     }
 
     typedef SkBenchmark INHERITED;