Simplify benchmark internal API.

bench/BlurBench.cpp

Index: bench/BlurBench.cpp
diff --git a/bench/BlurBench.cpp b/bench/BlurBench.cpp
index 49a6297c542384e493fa941a0dd13d80102a97e4..5f735dd8cfe820385d90668c51c5ac0165348dca 100644
--- a/bench/BlurBench.cpp
+++ b/bench/BlurBench.cpp
@@ -52,14 +52,14 @@ protected:
         return fName.c_str();
     }
 
-    virtual void onDraw(SkCanvas* canvas) {
+    virtual void onDraw(const int loops, SkCanvas* canvas) {
         SkPaint paint;
         this->setupPaint(&paint);
 
         paint.setAntiAlias(true);
 
         SkRandom rand;
-        for (int i = 0; i < this->getLoops(); i++) {
+        for (int i = 0; i < loops; i++) {
             SkRect r = SkRect::MakeWH(rand.nextUScalar1() * 400,
                                       rand.nextUScalar1() * 400);
             r.offset(fRadius, fRadius);