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

gm/roundrects.cpp

Index: gm/roundrects.cpp
diff --git a/gm/roundrects.cpp b/gm/roundrects.cpp
index 669763d9a7dcc28eb10db5391fdbec1dc409dba8..8d81d16e61ddb43dbb81481d591b9c6598a3c6c0 100644
--- a/gm/roundrects.cpp
+++ b/gm/roundrects.cpp
@@ -27,15 +27,15 @@ public:
     }
 
 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("roundrects");
     }
 
-    virtual SkISize onISize() SK_OVERRIDE {
+    SkISize onISize() SK_OVERRIDE {
         return SkISize::Make(1200, 900);
     }
 
@@ -139,7 +139,7 @@ protected:
         return SkHSVToColor(hsv);
     }
 
-    virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
+    void onDraw(SkCanvas* canvas) SK_OVERRIDE {
         SkRandom rand(1);
         canvas->translate(20 * SK_Scalar1, 20 * SK_Scalar1);
         SkRect rect = SkRect::MakeLTRB(-20, -30, 20, 30);