Issue 1091 - Implement a better templating approach for Element Hiding Helper

lib/windowWrapper.js

Index: lib/windowWrapper.js
===================================================================
--- a/lib/windowWrapper.js
+++ b/lib/windowWrapper.js
@@ -16,28 +16,26 @@ function getMenuItem()
   let stringBundle = Services.strings.createBundle("chrome://elemhidehelper/locale/global.properties?" + Math.random());
   let result = [stringBundle.GetStringFromName("selectelement.label"), stringBundle.GetStringFromName("stopselection.label")];
 
   getMenuItem = function() result;
   return getMenuItem();
 }
 
 exports.WindowWrapper = WindowWrapper;
-function WindowWrapper(wnd, elementMarkerClass)
+function WindowWrapper(wnd)
 {
   this.window = wnd;
 
   this.popupShowingHandler = this.popupShowingHandler.bind(this);
   this.popupHiddenHandler = this.popupHiddenHandler.bind(this);
   this.keyPressHandler = this.keyPressHandler.bind(this);
   this.toggleSelection = this.toggleSelection.bind(this);
   this.hideTooltips = this.hideTooltips.bind(this);
 
-  this.E("ehh-elementmarker").firstElementChild.setAttribute("class", elementMarkerClass);
-
   this.init();
 }
 WindowWrapper.prototype =
 {
   window: null,
 
   get browser()
   {