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

gm/clip_strokerect.cpp

Index: gm/clip_strokerect.cpp
diff --git a/gm/clip_strokerect.cpp b/gm/clip_strokerect.cpp
index da79ed828b65d449a0aa1995ec2633f2ab6d6bb4..f7c18e73e66c2b17632ad29896c6395ef806b29d 100644
--- a/gm/clip_strokerect.cpp
+++ b/gm/clip_strokerect.cpp
@@ -16,15 +16,15 @@ public:
     }
 
 protected:
-    virtual SkString onShortName() SK_OVERRIDE {
+    SkString onShortName() SK_OVERRIDE {
         return SkString("clip_strokerect");
     }
 
-    virtual SkISize onISize() SK_OVERRIDE {
+    SkISize onISize() SK_OVERRIDE {
         return SkISize::Make(200, 400);
     }
 
-    virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
+    void onDraw(SkCanvas* canvas) SK_OVERRIDE {
         SkPaint p;
         p.setColor(SK_ColorRED);
         p.setAntiAlias(true);
@@ -63,7 +63,7 @@ protected:
         canvas->drawRect(rect2, p);
     }
 
-    virtual uint32_t onGetFlags() const SK_OVERRIDE { return kSkipPipe_Flag; }
+    uint32_t onGetFlags() const SK_OVERRIDE { return kSkipPipe_Flag; }
 
 private:
     typedef skiagm::GM INHERITED;