Function scrollHelper

javascript/chrome-driver/atoms.js:111–119

(scrollable, size, offset, region, center)

 */
webdriver.chrome.scrollIntoView_ = function(elem, region, center) {
  function scrollHelper(scrollable, size, offset, region, center) {
    region = new goog.math.Rect(
        offset.x + region.left, offset.y + region.top,
        region.width, region.height);

    var scroll = webdriver.chrome.computeScrollOffsets_(size, region, center);
    scrollable.scrollLeft += scroll.x;
    scrollable.scrollTop += scroll.y;
  }

  function getContainer(elem) {
    var container = elem.parentNode;