Simplify benchmark internal API.

bench/VertBench.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkBenchmark.h"
 #include "SkCanvas.h"
 #include "SkPaint.h"
@@ skipping 59 matching lines @@
         SkRandom rand;
         for (int i = 0; i < PTS; ++i) {
             fColors[i] = rand.nextU() | (0xFF << 24);
         }
 
         fName.set("verts");
     }
 
 protected:
     virtual const char* onGetName() { return fName.c_str(); }
-    virtual void onDraw(SkCanvas* canvas) {
+    virtual void onDraw(const int loops, SkCanvas* canvas) {
         SkPaint paint;
         this->setupPaint(&paint);
 
-        for (int i = 0; i < this->getLoops(); i++) {
+        for (int i = 0; i < loops; i++) {
             canvas->drawVertices(SkCanvas::kTriangles_VertexMode, PTS,
                                  fPts, NULL, fColors, NULL, fIdx, IDX, paint);
         }
     }
 private:
     typedef SkBenchmark INHERITED;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 DEF_BENCH( return SkNEW_ARGS(VertBench, ()); )