Remove non-md code in location bar (Views).

chrome/browser/ui/views/location_bar/star_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_LOCATION_BAR_STAR_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_STAR_VIEW_H_
 
 #include "base/macros.h"
 #include "chrome/browser/ui/views/location_bar/bubble_icon_view.h"
 
 class Browser;
 class CommandUpdater;
 
 // The star icon to show a bookmark bubble.
 class StarView : public BubbleIconView {
  public:
   StarView(CommandUpdater* command_updater, Browser* browser);
   ~StarView() override;
 
   // Toggles the star on or off.
   void SetToggled(bool on);
 
  protected:
   // BubbleIconView:
   void OnExecuting(BubbleIconView::ExecuteSource execute_source) override;
   void ExecuteCommand(ExecuteSource source) override;
   views::BubbleDialogDelegateView* GetBubble() const override;
-  bool SetRasterIcon() override;
   gfx::VectorIconId GetVectorIcon() const override;
 
  private:
   Browser* browser_;
 
   DISALLOW_COPY_AND_ASSIGN(StarView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_STAR_VIEW_H_