Smoother pinch-zoom in Browser.

     */

    private float mInitialScale;

    private static float MINIMUM_SCALE_INCREMENT = 0.01f;

    private static float MINIMUM_SCALE_INCREMENT = 0.007f;

    /*

     *  The touch points could be changed even the fingers stop moving.

     *  We use the following to filter out the zooming jitters.

     */

    private static float MINIMUM_SCALE_WITHOUT_JITTER = 0.05f;

    private static float MINIMUM_SCALE_WITHOUT_JITTER = 0.007f;

    /*

     * The following member variables are only to be used for animating zoom. If