Add a new message id IDS_LOGIN_DIALOG_DESCRIPTION_NO_REALM, which...

chrome/browser/login_prompt.cc

 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/login_prompt.h"
 
 #include "base/command_line.h"
 #include "base/lock.h"
 #include "base/message_loop.h"
 #include "chrome/browser/browser_process.h"
@@ skipping 322 matching lines @@
   virtual ~LoginDialogTask() {
   }
 
   void Run() {
     WebContents* parent_contents = handler_->GetWebContentsForLogin();
     if (!parent_contents) {
       // The request was probably cancelled.
       return;
     }
 
-    wstring explanation = l10n_util::GetStringF(IDS_LOGIN_DIALOG_DESCRIPTION,
-                                                auth_info_->host,
-                                                auth_info_->realm);
+    wstring explanation = auth_info_->realm.empty() ?
+        l10n_util::GetStringF(IDS_LOGIN_DIALOG_DESCRIPTION_NO_REALM,
+                              auth_info_->host) :
+        l10n_util::GetStringF(IDS_LOGIN_DIALOG_DESCRIPTION,
+                              auth_info_->host,
+                              auth_info_->realm);
     LoginView* view = new LoginView(explanation);
     // Tell the password manager to look for saved passwords. There is only
     // a password manager when dealing with a WebContents type.
     if (parent_contents->type() == TAB_CONTENTS_WEB) {
       PasswordManager* password_manager =
           parent_contents->AsWebContents()->GetPasswordManager();
       // Set the model for the login view. The model (password manager) is owned
       // by the view's parent TabContents, so natural destruction order means we
       // don't have to worry about calling SetModel(NULL), because the view will
       // be deleted before the password manager.
@@ skipping 45 matching lines @@
 // Public API
 
 LoginHandler* CreateLoginPrompt(net::AuthChallengeInfo* auth_info,
                                 URLRequest* request,
                                 MessageLoop* ui_loop) {
   LoginHandlerImpl* handler = new LoginHandlerImpl(request, ui_loop);
   ui_loop->PostTask(FROM_HERE, new LoginDialogTask(auth_info, handler));
   return handler;
 }