SkDrawLooper: No need for virtual bounds computation methods.

include/core/SkDrawLooper.h

Index: include/core/SkDrawLooper.h
diff --git a/include/core/SkDrawLooper.h b/include/core/SkDrawLooper.h
index c866183cb395c79bd8e4cb6f0bd04fa9ffc483bf..ec070467a5aaecd2b2922173d09e0dcdd6e9f21f 100644
--- a/include/core/SkDrawLooper.h
+++ b/include/core/SkDrawLooper.h
@@ -87,9 +87,8 @@ public:
      * storage rect, where the storage rect is with the union of the src rect
      * and the looper's bounding rect.
      */
-    virtual bool canComputeFastBounds(const SkPaint& paint) const;
-    virtual void computeFastBounds(const SkPaint& paint,
-                                   const SkRect& src, SkRect* dst) const;
+    bool canComputeFastBounds(const SkPaint& paint) const;
+    void computeFastBounds(const SkPaint& paint, const SkRect& src, SkRect* dst) const;
 
     struct BlurShadowRec {
         SkScalar        fSigma;