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

gm/drrect.cpp

Index: gm/drrect.cpp
diff --git a/gm/drrect.cpp b/gm/drrect.cpp
index d7cd894a795990df81b1880bfb11925670e86ec9..16c45b745e79f11610ad58b944a7e293108820cf 100644
--- a/gm/drrect.cpp
+++ b/gm/drrect.cpp
@@ -15,19 +15,19 @@ public:
     DRRectGM() {}
 
 protected:
-    virtual uint32_t onGetFlags() const SK_OVERRIDE {
+    uint32_t onGetFlags() const SK_OVERRIDE {
         return kSkipTiled_Flag;
     }
 
-    virtual SkString onShortName() SK_OVERRIDE {
+    SkString onShortName() SK_OVERRIDE {
         return SkString("drrect");
     }
 
-    virtual SkISize onISize() SK_OVERRIDE {
+    SkISize onISize() SK_OVERRIDE {
         return SkISize::Make(640, 480);
     }
 
-    virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
+    void onDraw(SkCanvas* canvas) SK_OVERRIDE {
         SkPaint paint;
         paint.setAntiAlias(true);