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

gm/glyph_pos.cpp

Index: gm/glyph_pos.cpp
diff --git a/gm/glyph_pos.cpp b/gm/glyph_pos.cpp
index dd814cf28c6427f0d10c6de638acdc2970c51ca0..893de13a7da102cbd7a677e67ee5ee88d227be1c 100644
--- a/gm/glyph_pos.cpp
+++ b/gm/glyph_pos.cpp
@@ -27,11 +27,11 @@ 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 {
         SkString str("glyph_pos");
         if (fStrokeWidth == 0.0f) {
             str.append("_h"); // h == Hairline.
@@ -48,9 +48,9 @@ protected:
         return str;
     }
 
-    virtual SkISize onISize() SK_OVERRIDE { return SkISize::Make(800, 600); }
+    SkISize onISize() SK_OVERRIDE { return SkISize::Make(800, 600); }
 
-    virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
+    void onDraw(SkCanvas* canvas) SK_OVERRIDE {
         if (!fProp) {
             fProp.reset(sk_tool_utils::create_portable_typeface("Helvetica", SkTypeface::kNormal));
         }