AutofillPopupController clarifications + simplifications.

chrome/browser/autofill/autofill_popup_delegate.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_AUTOFILL_AUTOFILL_POPUP_DELEGATE_H_
-#define CHROME_BROWSER_AUTOFILL_AUTOFILL_POPUP_DELEGATE_H_
-
-#include "base/string16.h"
-
-// An interface for interaction with AutofillPopupController. Will be notified
-// of events by the controller.
-class AutofillPopupDelegate {
- public:
-  // Called when the autofill suggestion indicated by |unique_id| has been
-  // temporarily selected (e.g., hovered).
-  virtual void SelectAutofillSuggestionAtIndex(int unique_id) = 0;
-
-  // Inform the delegate that an Autofill suggestion has been chosen. Returns
-  // true if the suggestion was selected.
-  virtual bool DidAcceptAutofillSuggestion(const string16& value,
-                                           int unique_id,
-                                           unsigned index) = 0;
-
-  // Remove the given Autocomplete entry from the DB.
-  virtual void RemoveAutocompleteEntry(const string16& value) = 0;
-
-  // Remove the given Autofill profile or credit credit.
-  virtual void RemoveAutofillProfileOrCreditCard(int unique_id) = 0;
-
-  // Informs the delegate that the Autofill previewed form should be cleared.
-  virtual void ClearPreviewedForm() = 0;
-
-  // Called to inform the delegate the controller is experiencing destruction.
-  virtual void ControllerDestroyed() = 0;
-};
-
-#endif  // CHROME_BROWSER_AUTOFILL_AUTOFILL_POPUP_DELEGATE_H_