     // Used for gradient background
     protected static var matrix:Matrix = new Matrix();
     
-    protected static const ratios:Array = [0, 127.5, 255];
-    
-    protected static const alphas:Array = [1, 1, 1];
+    protected static const CHROME_COLOR_RATIOS:Array = [0, 127.5];
+    
+    protected static const CHROME_COLOR_ALPHAS:Array = [1, 1];
     
     private static const DEFAULT_SYMBOL_COLOR_VALUE:uint = 0x00;
     

     *  @productversion Flex 4.5
     */
    protected var useSymbolColor:Boolean = false;
    
    private var _focus:Boolean = false;
    
    //----------------------------------

        var colors:Array = [];
        matrix.createGradientBox(unscaledWidth, unscaledHeight, Math.PI / 2, 0, 0);
        var chromeColor:uint = getChromeColor();
        colors[0] = ColorUtil.adjustBrightness2(chromeColor, 70);
        colors[1] = chromeColor;
        
        chromeColorGraphics.beginGradientFill(GradientType.LINEAR, colors, CHROME_COLOR_ALPHAS, CHROME_COLOR_RATIOS, matrix);
    }
    
    protected function getChromeColor():uint
