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

gm/circularclips.cpp

Index: gm/circularclips.cpp
diff --git a/gm/circularclips.cpp b/gm/circularclips.cpp
index 81803a3e7896702d4e3ef7db8553e6ba934bb9e1..6a8415c67ec445990e6de88ebded26b861fbd8e3 100644
--- a/gm/circularclips.cpp
+++ b/gm/circularclips.cpp
@@ -25,19 +25,19 @@ public:
     }
 
 protected:
-    virtual uint32_t onGetFlags() const SK_OVERRIDE {
+    uint32_t onGetFlags() const SK_OVERRIDE {
         return kSkipTiled_Flag | kAsBench_Flag;
     }
 
-    virtual SkString onShortName() SK_OVERRIDE {
+    SkString onShortName() SK_OVERRIDE {
         return SkString("circular-clips");
     }
 
-    virtual SkISize onISize() SK_OVERRIDE {
+    SkISize onISize() SK_OVERRIDE {
         return SkISize::Make(800, 600);
     }
 
-    virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
+    void onDraw(SkCanvas* canvas) SK_OVERRIDE {
         SkRegion::Op ops[] = {
             SkRegion::kDifference_Op,
             SkRegion::kIntersect_Op,