Bug 102896 alternates with duplicate URIs ignored on the link toolbar

patch by choess@stwing.upenn.edu r=timeless sr=jag

xpfe/browser/resources/content/linkToolbarItem.js

@@ -125,13 +125,10 @@ LinkToolbarButton.prototype = new LinkToolbarItem;
 function LinkToolbarMenu (linkType) {
   this.constructor(linkType);
 
-  this.knownLinks = null;
-
   this.clear = function() {
     this.disableParentMenuButton();
     this.getXULElement().setAttribute("disabled", "true");
     clearPopup(this.getPopup());
-    this.knownLinks = null;
   }
 
   function clearPopup(popup) {
@@ -144,25 +141,12 @@ function LinkToolbarMenu (linkType) {
   }
 
   this.displayLink = function(linkElement) {
-    if (this.isAlreadyAdded(linkElement)) return false;
-
-    this.getKnownLinks()[linkElement.href] = true;
     this.addMenuItem(linkElement);
     this.getXULElement().removeAttribute("disabled");
     this.enableParentMenuButton();
     return true;
   }
 
-  this.isAlreadyAdded = function(linkElement) {
-    return this.getKnownLinks()[linkElement.href];
-  }
-
-  this.getKnownLinks = function() {
-    if (!this.knownLinks)
-      this.knownLinks = new Array();
-    return this.knownLinks;
-  }
-  
   function match(first, second) {
     if (!first && !second) return true;
     if (!first || !second) return false;