get rid of another inappropriate ToLowerASCII

chrome/browser/ui/autofill/autofill_popup_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_POPUP_CONTROLLER_IMPL_H_
 #define CHROME_BROWSER_UI_AUTOFILL_AUTOFILL_POPUP_CONTROLLER_IMPL_H_
 
 #include "base/gtest_prod_util.h"
 #include "base/i18n/rtl.h"
 #include "base/memory/weak_ptr.h"
@@ skipping 58 matching lines @@
                               base::i18n::TextDirection text_direction);
   ~AutofillPopupControllerImpl() override;
 
   // AutofillPopupController implementation.
   void UpdateBoundsAndRedrawPopup() override;
   void SetSelectionAtPoint(const gfx::Point& point) override;
   bool AcceptSelectedLine() override;
   void SelectionCleared() override;
   void AcceptSuggestion(size_t index) override;
   int GetIconResourceID(const base::string16& resource_name) const override;
-  bool CanDelete(size_t index) const override;
   bool IsWarning(size_t index) const override;
   gfx::Rect GetRowBounds(size_t index) override;
   void SetPopupBounds(const gfx::Rect& bounds) override;
   const gfx::Rect& popup_bounds() const override;
   gfx::NativeView container_view() override;
   const gfx::RectF& element_bounds() const override;
   bool IsRTL() const override;
 
   size_t GetLineCount() const override;
   const autofill::Suggestion& GetSuggestionAt(size_t row) const override;
@@ skipping 100 matching lines @@
   // The line that is currently selected by the user.
   // |kNoSelection| indicates that no line is currently selected.
   int selected_line_;
 
   base::WeakPtrFactory<AutofillPopupControllerImpl> weak_ptr_factory_;
 };
 
 }  // namespace autofill
 
 #endif  // CHROME_BROWSER_UI_AUTOFILL_AUTOFILL_POPUP_CONTROLLER_IMPL_H_