Major bench refactoring.

bench/HairlinePathBench.cpp

Index: bench/HairlinePathBench.cpp
diff --git a/bench/HairlinePathBench.cpp b/bench/HairlinePathBench.cpp
index f5b30a38adc9cd99dd3eb1a22820e9820550ac3e..3ba09722fbae2d53a2961b96e3b0d0c51e5b21cb 100644
--- a/bench/HairlinePathBench.cpp
+++ b/bench/HairlinePathBench.cpp
@@ -63,8 +63,7 @@ protected:
             path.transform(m);
         }
 
-        int count = N;
-        for (int i = 0; i < count; i++) {
+        for (int i = 0; i < this->getLoops(); i++) {
             canvas->drawPath(path, paint);
         }
     }
@@ -73,7 +72,6 @@ private:
     SkPaint     fPaint;
     SkString    fName;
     Flags       fFlags;
-    enum { N = SkBENCHLOOP(200) };
     typedef SkBenchmark INHERITED;
 };