fixes bug 243149 "Hostname and port appears where 'Use Password Manager to remember these values.' usually is." r=biesi sr=dveditz

suite/common/contentAreaUtils.js

@@ -443,8 +443,7 @@ nsHeaderSniffer.prototype = {
   QueryInterface: function (iid) {
     if (!iid.equals(Components.interfaces.nsIRequestObserver) &&
         !iid.equals(Components.interfaces.nsISupports) &&
-        !iid.equals(Components.interfaces.nsIInterfaceRequestor) &&
-        !iid.equals(Components.interfaces.nsIAuthPrompt)) {
+        !iid.equals(Components.interfaces.nsIInterfaceRequestor)) {
       throw Components.results.NS_ERROR_NO_INTERFACE;
     }
     return this;
@@ -452,37 +451,14 @@ nsHeaderSniffer.prototype = {
 
   // ---------- nsIInterfaceRequestor methods ----------
   getInterface : function(iid) {
-    return this.QueryInterface(iid);
-  },
-
-  // ---------- nsIAuthPrompt methods ----------
-  prompt : function(dlgTitle, text, pwrealm, savePW, defaultText, result)
-  {
-    dump("authprompt prompt! pwrealm="+pwrealm+"\n");
-    var promptServ = this.promptService;
-    if (!promptServ)
-      return false;
-    var saveCheck = {value:savePW};
-    return promptServ.prompt(window, dlgTitle, text, defaultText, pwrealm, saveCheck);
-  },
-  promptUsernameAndPassword : function(dlgTitle, text, pwrealm, savePW, user, pw)
-  {
-    dump("authprompt promptUsernameAndPassword!  "+dlgTitle+" "+text+", pwrealm="+pwrealm+"\n");
-    var promptServ = this.promptService;
-    if (!promptServ)
-      return false;
-    var saveCheck = {value:savePW};
-    return promptServ.promptUsernameAndPassword(window, dlgTitle, text, user, pw, pwrealm, saveCheck);
-  },
-  promptPassword : function(dlgTitle, text, pwrealm, savePW, pw)
-  {
-    dump("auth promptPassword!  "+dlgTitle+" "+text+", pwrealm="+pwrealm+"\n");
-    var promptServ = this.promptService;
-    if (!promptServ)
-      return false;
-
-    var saveCheck = {value:savePW};
-    return promptServ.promptPassword(window, dlgTitle, text, pw, pwrealm, saveCheck);
+    if (iid.equals(Components.interfaces.nsIAuthPrompt)) {
+      // use the window watcher service to get a nsIAuthPrompt impl
+      var ww = Components.classes["@mozilla.org/embedcomp/window-watcher;1"]
+                         .getService(Components.interfaces.nsIWindowWatcher);
+      return ww.getNewAuthPrompter(window);
+    }
+    Components.returnCode = Components.results.NS_ERROR_NO_INTERFACE;
+    return null;
   },
 
   // ---------- nsIRequestObserver methods ----------