Remove some more !IsModeMaterial code.

chrome/browser/ui/views/frame/browser_header_painter_ash.h

 // Copyright 2014 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_FRAME_BROWSER_HEADER_PAINTER_ASH_H_
 #define CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_HEADER_PAINTER_ASH_H_
 
 #include <memory>
 
 #include "ash/common/frame/header_painter.h"
@@ skipping 42 matching lines @@
   void SchedulePaintForTitle() override;
 
  private:
   // gfx::AnimationDelegate override:
   void AnimationProgressed(const gfx::Animation* animation) override;
 
   // Paints the frame image for the |active| state based on the current value of
   // the activation animation.
   void PaintFrameImages(gfx::Canvas* canvas, bool active);
 
-  // Paints highlight around the edge of the header for restored windows.
-  void PaintHighlightForRestoredWindow(gfx::Canvas* canvas);
-
   // Paints the title bar, primarily the title string.
   void PaintTitleBar(gfx::Canvas* canvas);
 
   // Updates the size and icons used for the minimize, restore, and close
   // buttons.
   void UpdateCaptionButtons();
 
   // Returns bounds of the region in |view_| which is painted with the header
   // images. The region is assumed to start at the top left corner of |view_|
   // and to have the same width as |view_|.
@@ skipping 22 matching lines @@
 
   // Whether the header should be painted as active.
   Mode mode_;
 
   std::unique_ptr<gfx::SlideAnimation> activation_animation_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserHeaderPainterAsh);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_HEADER_PAINTER_ASH_H_