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

gm/emboss.cpp

Index: gm/emboss.cpp
diff --git a/gm/emboss.cpp b/gm/emboss.cpp
index c2ee49723fc1414d5f730f75443062f395215bca..a72e64d7603fbbd78defde190ccf66ae1971b614 100644
--- a/gm/emboss.cpp
+++ b/gm/emboss.cpp
@@ -29,15 +29,15 @@ public:
     }
 
 protected:
-    virtual SkString onShortName() SK_OVERRIDE {
+    SkString onShortName() SK_OVERRIDE {
         return SkString("emboss");
     }
 
-    virtual SkISize onISize() SK_OVERRIDE {
+    SkISize onISize() SK_OVERRIDE {
         return SkISize::Make(600, 120);
     }
 
-    virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
+    void onDraw(SkCanvas* canvas) SK_OVERRIDE {
         SkPaint paint;
         SkBitmap bm = make_bm();
         canvas->drawBitmap(bm, 10, 10, &paint);