get rid of another inappropriate ToLowerASCII

chrome/browser/ui/autofill/autofill_popup_controller.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_POPUP_CONTROLLER_H_
 #define CHROME_BROWSER_UI_AUTOFILL_AUTOFILL_POPUP_CONTROLLER_H_
 
 #include <vector>
 
 #include "base/compiler_specific.h"
@@ skipping 16 matching lines @@
   // Recalculates the height and width of the popup and triggers a redraw.
   virtual void UpdateBoundsAndRedrawPopup() = 0;
 
   // Accepts the suggestion at |index|.
   virtual void AcceptSuggestion(size_t index) = 0;
 
   // Gets the resource value for the given resource, returning -1 if the
   // resource isn't recognized.
   virtual int GetIconResourceID(const base::string16& resource_name) const = 0;
 
-  // Returns true if the given index refers to an element that can be deleted.
-  virtual bool CanDelete(size_t index) const = 0;
-
   // Returns true if the given index refers to an element that is a warning
   // rather than an Autofill suggestion.
   virtual bool IsWarning(size_t index) const = 0;
 
   // Updates the bounds of the popup and initiates a redraw.
   virtual void SetPopupBounds(const gfx::Rect& bounds) = 0;
 
   // Returns the bounds of the item at |index| in the popup, relative to
   // the top left of the popup.
   virtual gfx::Rect GetRowBounds(size_t index) = 0;
@@ skipping 17 matching lines @@
   // hovered or has keyboard focus.
   virtual int selected_line() const = 0;
 
  protected:
   ~AutofillPopupController() override {}
 };
 
 }  // namespace autofill
 
 #endif  // CHROME_BROWSER_UI_AUTOFILL_AUTOFILL_POPUP_CONTROLLER_H_