Add "previewing on hover" support for single-field autocomplete input

chrome/browser/ui/autofill/autofill_dialog_controller_impl.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_CONTROLLER_IMPL_H_
 #define CHROME_BROWSER_UI_AUTOFILL_AUTOFILL_DIALOG_CONTROLLER_IMPL_H_
 
 #include <set>
 #include <vector>
 
@@ skipping 148 matching lines @@
   virtual bool OnCancel() OVERRIDE;
   virtual bool OnAccept() OVERRIDE;
   virtual Profile* profile() OVERRIDE;
   virtual content::WebContents* GetWebContents() OVERRIDE;
 
   // AutofillPopupDelegate implementation.
   virtual void OnPopupShown() OVERRIDE;
   virtual void OnPopupHidden() OVERRIDE;
   virtual bool ShouldRepostEvent(const ui::MouseEvent& event) OVERRIDE;
   virtual void DidSelectSuggestion(int identifier) OVERRIDE;
+  virtual void
+      DidSelectAutocompleteSuggestion(const base::string16& value) OVERRIDE;
   virtual void DidAcceptSuggestion(const base::string16& value,
                                    int identifier) OVERRIDE;
   virtual void RemoveSuggestion(const base::string16& value,
                                 int identifier) OVERRIDE;
   virtual void ClearPreviewedForm() OVERRIDE;
+  virtual void ClearAutocompletePreviewedField() OVERRIDE;
 
   // content::NotificationObserver implementation.
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
   // SuggestionsMenuModelDelegate implementation.
   virtual void SuggestionsMenuWillShow() OVERRIDE;
   virtual void SuggestionItemSelected(SuggestionsMenuModel* model,
                                       size_t index) OVERRIDE;
@@ skipping 589 matching lines @@
 
   // A username string we display in the card scrambling/generated overlay.
   base::string16 submitted_cardholder_name_;
 
   DISALLOW_COPY_AND_ASSIGN(AutofillDialogControllerImpl);
 };
 
 }  // namespace autofill
 
 #endif  // CHROME_BROWSER_UI_AUTOFILL_AUTOFILL_DIALOG_CONTROLLER_IMPL_H_