Fix up all the easy virtual ... SK_OVERRIDE cases.

bench/BitmapBench.cpp

Index: bench/BitmapBench.cpp
diff --git a/bench/BitmapBench.cpp b/bench/BitmapBench.cpp
index da2e829a4d9dfe45b4cd5c4422aa026eacf26fde..c5efe9e9b8b68deaef07212fa04ee411c80a7f43 100644
--- a/bench/BitmapBench.cpp
+++ b/bench/BitmapBench.cpp
@@ -247,7 +247,7 @@ protected:
         INHERITED::onDraw(loops, canvas);
     }
 
-    virtual void setupPaint(SkPaint* paint) SK_OVERRIDE {
+    void setupPaint(SkPaint* paint) SK_OVERRIDE {
         this->INHERITED::setupPaint(paint);
 
         int index = 0;
@@ -303,7 +303,7 @@ protected:
         return fFullName.c_str();
     }
 
-    virtual void onDrawIntoBitmap(const SkBitmap& bm) SK_OVERRIDE {
+    void onDrawIntoBitmap(const SkBitmap& bm) SK_OVERRIDE {
         const int w = bm.width();
         const int h = bm.height();