Major bench refactoring.
   - Use FLAGS_.
   - Remove outer repeat loop.
   - Tune inner loop automatically.

BUG=skia:1590
R=epoger@google.com, scroggo@google.com

Review URL: https://codereview.chromium.org/23478013

git-svn-id: http://skia.googlecode.com/svn/trunk@11187 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/bench/BitmapScaleBench.cpp b/bench/BitmapScaleBench.cpp
index 2187346..62f8d1b 100644
--- a/bench/BitmapScaleBench.cpp
+++ b/bench/BitmapScaleBench.cpp
@@ -75,7 +75,7 @@
 
         preBenchSetup();
 
-        for (int i = 0; i < SkBENCHLOOP(fLoopCount); i++) {
+        for (int i = 0; i < this->getLoops(); i++) {
             doScaleImage();
         }
     }