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

src/images/SkImageDecoder_libico.cpp

Index: src/images/SkImageDecoder_libico.cpp
diff --git a/src/images/SkImageDecoder_libico.cpp b/src/images/SkImageDecoder_libico.cpp
index a3297062ce051f52768435e4c401ba5297ecca4e..3ca19084daf39aa2e1b7c86e16e69eb55336e005 100644
--- a/src/images/SkImageDecoder_libico.cpp
+++ b/src/images/SkImageDecoder_libico.cpp
@@ -15,12 +15,12 @@ class SkICOImageDecoder : public SkImageDecoder {
 public:
     SkICOImageDecoder();
 
-    virtual Format getFormat() const SK_OVERRIDE {
+    Format getFormat() const SK_OVERRIDE {
         return kICO_Format;
     }
 
 protected:
-    virtual Result onDecode(SkStream* stream, SkBitmap* bm, Mode) SK_OVERRIDE;
+    Result onDecode(SkStream* stream, SkBitmap* bm, Mode) SK_OVERRIDE;
 
 private:
     typedef SkImageDecoder INHERITED;