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

include/effects/SkOffsetImageFilter.h

Index: include/effects/SkOffsetImageFilter.h
diff --git a/include/effects/SkOffsetImageFilter.h b/include/effects/SkOffsetImageFilter.h
index de5a63116238a7b41d53f53ca6c0b3e1936c4fe7..ed2878a2126d9e70a9f9dd22641ac8a8b79c8e73 100644
--- a/include/effects/SkOffsetImageFilter.h
+++ b/include/effects/SkOffsetImageFilter.h
@@ -23,17 +23,17 @@ public:
         }
         return SkNEW_ARGS(SkOffsetImageFilter, (dx, dy, input, cropRect, uniqueID));
     }
-    virtual void computeFastBounds(const SkRect& src, SkRect* dst) const SK_OVERRIDE;
+    void computeFastBounds(const SkRect& src, SkRect* dst) const SK_OVERRIDE;
     SK_TO_STRING_OVERRIDE()
     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkOffsetImageFilter)
 
 protected:
     SkOffsetImageFilter(SkScalar dx, SkScalar dy, SkImageFilter* input, const CropRect* cropRect, uint32_t uniqueID);
-    virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE;
+    void flatten(SkWriteBuffer&) const SK_OVERRIDE;
 
     virtual bool onFilterImage(Proxy*, const SkBitmap& src, const Context&,
                                SkBitmap* result, SkIPoint* loc) const SK_OVERRIDE;
-    virtual bool onFilterBounds(const SkIRect&, const SkMatrix&, SkIRect*) const SK_OVERRIDE;
+    bool onFilterBounds(const SkIRect&, const SkMatrix&, SkIRect*) const SK_OVERRIDE;
 
 private:
     SkVector fOffset;