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

chrome/browser/ui/views/autofill/autofill_dialog_views.h

 // Copyright (c) 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.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_AUTOFILL_AUTOFILL_DIALOG_VIEWS_H_
 #define CHROME_BROWSER_UI_VIEWS_AUTOFILL_AUTOFILL_DIALOG_VIEWS_H_
 
 #include <map>
 #include <set>
 
@@ skipping 74 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;
 
   // views::View implementation.
   virtual gfx::Size GetPreferredSize() const override;
   virtual gfx::Size GetMinimumSize() const override;
   virtual void Layout() override;
   virtual void OnNativeThemeChanged(const ui::NativeTheme* theme) override;
@@ skipping 576 matching lines @@
 
   // Used to tell the delegate when focus moves to hide the Autofill popup.
   scoped_ptr<ui::EventHandler> event_handler_;
 
   DISALLOW_COPY_AND_ASSIGN(AutofillDialogViews);
 };
 
 }  // namespace autofill
 
 #endif  // CHROME_BROWSER_UI_VIEWS_AUTOFILL_AUTOFILL_DIALOG_VIEWS_H_