         collectionView.backgroundView = UIView()
         collectionView.backgroundView?.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(TabTrayController.onTappedBackground(_:))))
 
-        viewsToAnimate = [blur, collectionView, navBar, addTabButton]
+        viewsToAnimate = [blur, collectionView, addTabButton, togglePrivateMode]
         viewsToAnimate.forEach {
             $0.alpha = 0.0
             view.addSubview($0)


        view.accessibilityLabel = Strings.Tabs_Tray

        navBar = UIView()
        navBar.backgroundColor = TabTrayControllerUX.BackgroundColor

        addTabButton = UIButton()
        addTabButton.setImage(UIImage(named: "add")?.imageWithRenderingMode(.AlwaysTemplate), forState: .Normal)
        addTabButton.addTarget(self, action: #selector(TabTrayController.SELdidClickAddTab), forControlEvents: .TouchUpInside)

    }

    private func makeConstraints() {
        
        togglePrivateMode.snp_makeConstraints { make in
            make.right.equalTo(addTabButton.snp_left).offset(-10)
            make.centerY.equalTo(self.addTabButton.snp_centerY)
        }

        addTabButton.snp_makeConstraints { make in
            make.trailing.equalTo(self.view)
            make.top.equalTo(snp_topLayoutGuideBottom)
            make.size.equalTo(UIConstants.ToolbarHeight)
        }

        collectionView.snp_makeConstraints { make in
            make.top.equalTo(addTabButton.snp_bottom)
            make.left.right.bottom.equalTo(self.view)
        }
    }
