Simplify benchmark internal API.

bench/BicubicBench.cpp

Index: bench/BicubicBench.cpp
diff --git a/bench/BicubicBench.cpp b/bench/BicubicBench.cpp
index d1f4a4de7217c9166af0ebc25468b8fa9c989ec2..162ec61370c37ff33fc32a6e874809aa5ac86b5d 100644
--- a/bench/BicubicBench.cpp
+++ b/bench/BicubicBench.cpp
@@ -30,7 +30,7 @@ protected:
         return fName.c_str();
     }
 
-    virtual void onDraw(SkCanvas* canvas) {
+    virtual void onDraw(const int loops, SkCanvas* canvas) {
         SkPaint paint;
         this->setupPaint(&paint);
 
@@ -40,7 +40,7 @@ protected:
         SkAutoTUnref<SkImageFilter> bicubic(SkBicubicImageFilter::CreateMitchell(fScale));
         paint.setImageFilter(bicubic);
 
-        for (int i = 0; i < this->getLoops(); i++) {
+        for (int i = 0; i < loops; i++) {
             canvas->save();
             canvas->clipRect(r);
             canvas->drawOval(r, paint);