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

bench/RepeatTileBench.cpp

Index: bench/RepeatTileBench.cpp
diff --git a/bench/RepeatTileBench.cpp b/bench/RepeatTileBench.cpp
index cf147d8c21334b0652347c7451234e4f058547cb..0e63336a0f89fbcafa9d53a096c1e0f853c1b44d 100644
--- a/bench/RepeatTileBench.cpp
+++ b/bench/RepeatTileBench.cpp
@@ -104,11 +104,11 @@ 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 {
         fBitmap.allocPixels();
         fBitmap.eraseColor(kOpaque_SkAlphaType == fAlphaType ? SK_ColorWHITE : 0);
 
@@ -127,7 +127,7 @@ protected:
     }
 
 
-    virtual void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE {
+    void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE {
         SkPaint paint(fPaint);
         this->setupPaint(&paint);