[Signin Error Dialog] (3/3) Added the triggering code

chrome/browser/ui/browser.cc

 // Copyright 2012 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/ui/browser.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <string>
@@ skipping 913 matching lines @@
 }
 
 void Browser::CloseModalSigninWindow() {
   signin_view_controller_.CloseModalSignin();
 }
 
 void Browser::ShowModalSyncConfirmationWindow() {
   signin_view_controller_.ShowModalSyncConfirmationDialog(this);
 }
 
+void Browser::ShowModalSigninErrorWindow() {
+  signin_view_controller_.ShowModalSigninErrorDialog(this);
+}
+
 void Browser::RegisterKeepAlive() {
   keep_alive_.reset(new ScopedKeepAlive(KeepAliveOrigin::BROWSER,
                                         KeepAliveRestartOption::DISABLED));
 }
 void Browser::UnregisterKeepAlive() {
   keep_alive_.reset();
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // Browser, PageNavigator implementation:
@@ skipping 1656 matching lines @@
   if (contents && !allow_js_access) {
     contents->web_contents()->GetController().LoadURL(
         target_url,
         content::Referrer(),
         ui::PAGE_TRANSITION_LINK,
         std::string());  // No extra headers.
   }
 
   return contents != NULL;
 }