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

gm/skbug1719.cpp

Index: gm/skbug1719.cpp
diff --git a/gm/skbug1719.cpp b/gm/skbug1719.cpp
index a57596ee3da517498e88166b1d974938765ba26c..10936013e240e6c865110698924841bcb2cb7cc4 100644
--- a/gm/skbug1719.cpp
+++ b/gm/skbug1719.cpp
@@ -24,21 +24,21 @@ public:
     SkBug1719GM() {}
 
 protected:
-    virtual SkString onShortName() SK_OVERRIDE {
+    SkString onShortName() SK_OVERRIDE {
         return SkString("skbug1719");
     }
 
-    virtual SkISize onISize() SK_OVERRIDE {
+    SkISize onISize() SK_OVERRIDE {
         return SkISize::Make(300, 100);
     }
 
-    virtual void onDrawBackground(SkCanvas* canvas) SK_OVERRIDE {
+    void onDrawBackground(SkCanvas* canvas) SK_OVERRIDE {
         SkPaint bgPaint;
         bgPaint.setColor(0xFF303030);
         canvas->drawPaint(bgPaint);
     }
 
-    virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
+    void onDraw(SkCanvas* canvas) SK_OVERRIDE {
         canvas->translate(SkIntToScalar(-800), SkIntToScalar(-650));
 
         // The data is lifted from an SKP that exhibited the bug.