requestAutocomplete (desktop): don't get stuck in infinite loop

chrome/browser/ui/cocoa/autofill/autofill_dialog_cocoa.mm

 // Copyright (c) 2013 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/cocoa/autofill/autofill_dialog_cocoa.h"
 
 #include "base/bind.h"
 #include "base/mac/scoped_nsobject.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/sys_string_conversions.h"
@@ skipping 94 matching lines @@
 }
 
 base::string16 AutofillDialogCocoa::GetCvc() {
   return base::SysNSStringToUTF16([sheet_delegate_ getCvc]);
 }
 
 bool AutofillDialogCocoa::SaveDetailsLocally() {
   return [sheet_delegate_ saveDetailsLocally];
 }
 
-const content::NavigationController* AutofillDialogCocoa::ShowSignIn() {
-  return [sheet_delegate_ showSignIn];
+const content::NavigationController* AutofillDialogCocoa::ShowSignIn(
+    const GURL& url) {
+  return [sheet_delegate_ showSignIn:url];
 }
 
 void AutofillDialogCocoa::HideSignIn() {
   [sheet_delegate_ hideSignIn];
 }
 
 void AutofillDialogCocoa::ModelChanged() {
   [sheet_delegate_ modelChanged];
 }
 
@@ skipping 11 matching lines @@
 }
 
 void AutofillDialogCocoa::OnConstrainedWindowClosed(
     ConstrainedWindowMac* window) {
   constrained_window_.reset();
   // |this| belongs to |delegate_|, so no self-destruction here.
   delegate_->ViewClosed();
 }
 
 }  // autofill