Remove some pre-MD code from toolbar/tabstrip/frame.

chrome/browser/ui/views/frame/opaque_browser_frame_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_FRAME_OPAQUE_BROWSER_FRAME_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_FRAME_OPAQUE_BROWSER_FRAME_VIEW_H_
 
 #include <memory>
 
 #include "base/macros.h"
@@ skipping 71 matching lines @@
   bool ShouldShowCaptionButtons() const override;
   bool IsRegularOrGuestSession() const override;
   gfx::ImageSkia GetIncognitoAvatarIcon() const override;
   bool IsMaximized() const override;
   bool IsMinimized() const override;
   bool IsFullscreen() const override;
   bool IsTabStripVisible() const override;
   int GetTabStripHeight() const override;
   bool IsToolbarVisible() const override;
   gfx::Size GetTabstripPreferredSize() const override;
-  int GetToolbarLeadingCornerClientWidth() const override;
 
  protected:
   views::ImageButton* minimize_button() const { return minimize_button_; }
   views::ImageButton* maximize_button() const { return maximize_button_; }
   views::ImageButton* restore_button() const { return restore_button_; }
   views::ImageButton* close_button() const { return close_button_; }
 
   // views::View:
   void OnPaint(gfx::Canvas* canvas) override;
 
@@ skipping 67 matching lines @@
   // Background painter for the window frame.
   std::unique_ptr<views::FrameBackground> frame_background_;
 
   // Observer that handles platform dependent configuration.
   std::unique_ptr<OpaqueBrowserFrameViewPlatformSpecific> platform_observer_;
 
   DISALLOW_COPY_AND_ASSIGN(OpaqueBrowserFrameView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_FRAME_OPAQUE_BROWSER_FRAME_VIEW_H_