Bug 788549 Part 3.5: Make nsComputedDOMStyle::MatrixToCSSValue public so we can actually use it r=me

layout/style/nsComputedDOMStyle.h

@@ -93,6 +93,8 @@ public:
   virtual nsIDocument* DocToUpdate() MOZ_OVERRIDE;
   virtual void GetCSSParsingEnvironment(CSSParsingEnvironment& aCSSParseEnv) MOZ_OVERRIDE;
 
+  static mozilla::dom::CSSValue* MatrixToCSSValue(gfx3DMatrix& aMatrix);
+
 private:
   void AssertFlushedPendingReflows() {
     NS_ASSERTION(mFlushedPendingReflows,
@@ -437,7 +439,6 @@ private:
   mozilla::dom::CSSValue* DoGetMaskType();
   mozilla::dom::CSSValue* DoGetPaintOrder();
 
-  static mozilla::dom::CSSValue* MatrixToCSSValue(gfx3DMatrix& aMatrix);
   nsDOMCSSValueList* GetROCSSValueList(bool aCommaDelimited);
   void SetToRGBAColor(nsROCSSPrimitiveValue* aValue, nscolor aColor);
   void SetValueToStyleImage(const nsStyleImage& aStyleImage,