             findInPageBar.endEditing(true)
             webViewController.evaluate("__firefox__.findDone()", completion: nil)
             findInPageBar.removeFromSuperview()
+            fillerView?.removeFromSuperview()
             self.findInPageBar = nil
+            self.fillerView = nil
             updateViewConstraints()
         }
     }

        let scrollView = webViewController.scrollView

        scrollBarState = .animating
        UIView.animate(withDuration: UIConstants.layout.urlBarTransitionAnimationDuration, delay: 0, options: .allowUserInteraction, animations: {
            self.urlBar.collapseUrlBar(expandAlpha: 1, collapseAlpha: 0)
            self.urlBarTopConstraint.update(offset: 0)

    fileprivate var topURLBarConstraints = [Constraint]()
    fileprivate let requestHandler = RequestHandler()
    fileprivate var findInPageBar: FindInPageBar?
    fileprivate var fillerView: UIView?
    fileprivate let alertStackView = UIStackView() // All content that appears above the footer should be added to this view. (Find In Page/SnackBars)

    fileprivate var drawerConstraint: Constraint!
