Remove unused color from NativeTheme.

chrome/browser/ui/views/omnibox/omnibox_result_view.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_VIEWS_OMNIBOX_OMNIBOX_RESULT_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_OMNIBOX_OMNIBOX_RESULT_VIEW_H_
 
 #include <vector>
 
 #include "components/omnibox/browser/autocomplete_match.h"
@@ skipping 24 matching lines @@
     HOVERED,
     SELECTED,
     NUM_STATES
   };
 
   enum ColorKind {
     BACKGROUND = 0,
     TEXT,
     DIMMED_TEXT,
     URL,
-    DIVIDER,
     NUM_KINDS
   };
 
   OmniboxResultView(OmniboxPopupContentsView* model,
                     int model_index,
                     LocationBarView* location_bar_view,
                     const gfx::FontList& font_list);
   ~OmniboxResultView() override;
 
   SkColor GetColor(ResultViewState state, ColorKind kind) const;
@@ skipping 172 matching lines @@
   mutable scoped_ptr<gfx::RenderText> separator_rendertext_;
   mutable scoped_ptr<gfx::RenderText> keyword_contents_rendertext_;
   mutable scoped_ptr<gfx::RenderText> keyword_description_rendertext_;
 
   mutable int separator_width_;
 
   DISALLOW_COPY_AND_ASSIGN(OmniboxResultView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_OMNIBOX_OMNIBOX_RESULT_VIEW_H_