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

gm/textblob.cpp

Index: gm/textblob.cpp
diff --git a/gm/textblob.cpp b/gm/textblob.cpp
index a0340071f7dfed63848fe5cd7142ad77a6bba313..e802d9bd4595c3b108cc1c895d24c6a06a3519fb 100644
--- a/gm/textblob.cpp
+++ b/gm/textblob.cpp
@@ -78,15 +78,15 @@ public:
     }
 
 protected:
-    virtual SkString onShortName() SK_OVERRIDE {
+    SkString onShortName() SK_OVERRIDE {
         return SkString("textblob");
     }
 
-    virtual SkISize onISize() SK_OVERRIDE {
+    SkISize onISize() SK_OVERRIDE {
         return SkISize::Make(640, 480);
     }
 
-    virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
+    void onDraw(SkCanvas* canvas) SK_OVERRIDE {
         for (unsigned b = 0; b < SK_ARRAY_COUNT(blobConfigs); ++b) {
             SkAutoTUnref<const SkTextBlob> blob(this->makeBlob(b));