Implementation of webdriver inViewPort method in javascript.

InPortView.java

/**
     * This method is a replacement to the inViewPort method from selenium webdriver API.
     * It uses javascript to scroll.
     * For parameter details, check the link below:
     * @see <a href="https://developer.mozilla.org/en-US/docs/Web/API/Element/scrollIntoView">Element.scrollIntoView()</a>
     */
    public void inViewPort(boolean alignToTop, WebElement element) {
        ((JavascriptExecutor) driver).executeScript("arguments[0].scrollIntoView(" + alignToTop + ")", element);
    }