[Autofill] Remove AutofillPopupController::IsWarning()

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 <stddef.h>
 
 #include "base/gtest_prod_util.h"
@@ skipping 58 matching lines @@
                               const gfx::RectF& element_bounds,
                               base::i18n::TextDirection text_direction);
   ~AutofillPopupControllerImpl() override;
 
   // AutofillPopupViewDelegate implementation.
   void UpdateBoundsAndRedrawPopup() override;
   void SetSelectionAtPoint(const gfx::Point& point) override;
   bool AcceptSelectedLine() override;
   void SelectionCleared() override;
   void AcceptSuggestion(size_t index) override;
-  bool IsWarning(size_t index) const override;
   gfx::Rect popup_bounds() const override;
   gfx::NativeView container_view() override;
   const gfx::RectF& element_bounds() const override;
   bool IsRTL() const override;
   const std::vector<autofill::Suggestion> GetSuggestions() override;
 #if !defined(OS_ANDROID)
   int GetElidedValueWidthForRow(size_t row) override;
   int GetElidedLabelWidthForRow(size_t row) override;
 #endif
 
@@ skipping 78 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_