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

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

 // 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.
 
 #ifndef CHROME_BROWSER_UI_COCOA_AUTOFILL_AUTOFILL_DIALOG_COCOA_H_
 #define CHROME_BROWSER_UI_COCOA_AUTOFILL_AUTOFILL_DIALOG_COCOA_H_
 
 #include "base/mac/scoped_nsobject.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
@@ skipping 33 matching lines @@
   virtual void UpdateForErrors() override;
   virtual void UpdateNotificationArea() override;
   virtual void UpdateSection(DialogSection section) override;
   virtual void UpdateErrorBubble() override;
   virtual void FillSection(DialogSection section,
                            ServerFieldType originating_type) override;
   virtual void GetUserInput(DialogSection section,
                             FieldValueMap* output) override;
   virtual base::string16 GetCvc() override;
   virtual bool SaveDetailsLocally() override;
-  virtual const content::NavigationController* ShowSignIn() override;
+  virtual const content::NavigationController* ShowSignIn(
+      const GURL& url) override;
   virtual void HideSignIn() override;
   virtual void ModelChanged() override;
   virtual void OnSignInResize(const gfx::Size& pref_size) override;
   virtual void ValidateSection(DialogSection section) override;
 
   // ConstrainedWindowMacDelegate implementation:
   virtual void OnConstrainedWindowClosed(
       ConstrainedWindowMac* window) override;
 
   AutofillDialogViewDelegate* delegate() { return delegate_; }
@@ skipping 14 matching lines @@
   AutofillDialogViewDelegate* delegate_;
 
   // WeakPtrFactory for deferred close.
   base::WeakPtrFactory<AutofillDialogCocoa> close_weak_ptr_factory_;
 
 };
 
 }  // autofill
 
 #endif  // CHROME_BROWSER_UI_COCOA_AUTOFILL_AUTOFILL_DIALOG_COCOA_H_