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

gm/imageblur.cpp

Index: gm/imageblur.cpp
diff --git a/gm/imageblur.cpp b/gm/imageblur.cpp
index 67dca0777977582b096f64fda4360e3ddc813850..df1e8a27780414656f281fdd38d5b6753a994803 100644
--- a/gm/imageblur.cpp
+++ b/gm/imageblur.cpp
@@ -23,19 +23,19 @@ 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 fName;
     }
 
-    virtual SkISize onISize() SK_OVERRIDE {
+    SkISize onISize() SK_OVERRIDE {
         return SkISize::Make(WIDTH, HEIGHT);
     }
 
-    virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
+    void onDraw(SkCanvas* canvas) SK_OVERRIDE {
         SkPaint paint;
         paint.setImageFilter(SkBlurImageFilter::Create(fSigmaX, fSigmaY))->unref();
         canvas->saveLayer(NULL, &paint);