AutofillPopupController clarifications + simplifications.

chrome/browser/ui/autofill/autofill_dialog_view.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_AUTOFILL_AUTOFILL_DIALOG_VIEW_H_
 #define CHROME_BROWSER_UI_AUTOFILL_AUTOFILL_DIALOG_VIEW_H_
 
 #include "chrome/browser/ui/autofill/autofill_dialog_controller.h"
 
 namespace autofill {
 
 // An interface for the dialog that appears when a site initiates an Autofill
 // action via the imperative autocomplete API.
 class AutofillDialogView {
  public:
   virtual ~AutofillDialogView();
 
   // Shows the dialog.
   virtual void Show() = 0;
 
+  // Called when the contents of a section have changed.
+  virtual void UpdateSection(DialogSection section) = 0;
+
   // Returns the index into the suggestion model for |section|.
   virtual int GetSuggestionSelection(DialogSection section) = 0;
 
   // Fills |output| with data the user manually input.
   virtual void GetUserInput(DialogSection section, DetailOutputMap* output) = 0;
 
   // Returns the state of the "use billing address for shipping" checkbox.
   virtual bool UseBillingForShipping() = 0;
 
   // Factory function to create the dialog (implemented once per view
   // implementation). |controller| will own the created dialog.
   static AutofillDialogView* Create(AutofillDialogController* controller);
 };
 
 }  // namespace autofill
 
 #endif  // CHROME_BROWSER_UI_AUTOFILL_AUTOFILL_DIALOG_VIEW_H_