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

bench/GameBench.cpp

Index: bench/GameBench.cpp
diff --git a/bench/GameBench.cpp b/bench/GameBench.cpp
index c37f46df3028aebd7b5f5153988a99311890464d..bf70b5c0bb37b1cb3d70cb695d405566feac6f5c 100644
--- a/bench/GameBench.cpp
+++ b/bench/GameBench.cpp
@@ -74,11 +74,11 @@ public:
     }
 
 protected:
-    virtual const char* onGetName() SK_OVERRIDE {
+    const char* onGetName() SK_OVERRIDE {
         return fName.c_str();
     }
 
-    virtual void onPreDraw() SK_OVERRIDE {
+    void onPreDraw() SK_OVERRIDE {
         if (!fInitialized) {
             this->makeCheckerboard();
             this->makeAtlas();
@@ -86,7 +86,7 @@ protected:
         }
     }
 
-    virtual void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE {
+    void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE {
         SkRandom scaleRand;
         SkRandom transRand;
         SkRandom rotRand;