add -forceFilter to bench tool
move some utils out of effects/



git-svn-id: http://skia.googlecode.com/svn/trunk@307 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/bench/SkBenchmark.cpp b/bench/SkBenchmark.cpp
index 853afb3..7bc87ee 100644
--- a/bench/SkBenchmark.cpp
+++ b/bench/SkBenchmark.cpp
@@ -23,6 +23,7 @@
 void SkBenchmark::setupPaint(SkPaint* paint) {
     paint->setAlpha(fForceAlpha);
     paint->setAntiAlias(fForceAA);
+    paint->setFilterBitmap(fForceFilter);
 }
 
 ///////////////////////////////////////////////////////////////////////////////