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

src/lazy/SkCachingPixelRef.h

Index: src/lazy/SkCachingPixelRef.h
diff --git a/src/lazy/SkCachingPixelRef.h b/src/lazy/SkCachingPixelRef.h
index 306f7141699c3eff476cd0654c6405e27ba00465..a46df14496d63afb0272933424088357286177f3 100644
--- a/src/lazy/SkCachingPixelRef.h
+++ b/src/lazy/SkCachingPixelRef.h
@@ -42,11 +42,11 @@ public:
 
 protected:
     virtual ~SkCachingPixelRef();
-    virtual bool onNewLockPixels(LockRec*) SK_OVERRIDE;
-    virtual void onUnlockPixels() SK_OVERRIDE;
-    virtual bool onLockPixelsAreWritable() const SK_OVERRIDE { return false; }
+    bool onNewLockPixels(LockRec*) SK_OVERRIDE;
+    void onUnlockPixels() SK_OVERRIDE;
+    bool onLockPixelsAreWritable() const SK_OVERRIDE { return false; }
 
-    virtual SkData* onRefEncodedData() SK_OVERRIDE {
+    SkData* onRefEncodedData() SK_OVERRIDE {
         return fImageGenerator->refEncodedData();
     }