Made more benchs non-rendering

http://codereview.appspot.com/6498132/



git-svn-id: http://skia.googlecode.com/svn/trunk@5562 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/bench/ScalarBench.cpp b/bench/ScalarBench.cpp
index 2d547b7..333dd22 100644
--- a/bench/ScalarBench.cpp
+++ b/bench/ScalarBench.cpp
@@ -17,6 +17,7 @@
 public:
     ScalarBench(void* param, const char name[]) : INHERITED(param) {
         fName.printf("scalar_%s", name);
+        fIsRendering = false;
     }
 
     virtual void performTest() = 0;
@@ -145,6 +146,7 @@
             fPts[i].fX = rand.nextSScalar1();
             fPts[i].fY = rand.nextSScalar1();
         }
+        fIsRendering = false;
     }
 
 protected: