[Extensions UI] Clean up extension icon generation

chrome/browser/ui/views/location_bar/page_action_image_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_PAGE_ACTION_IMAGE_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_PAGE_ACTION_IMAGE_VIEW_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 44 matching lines @@
   bool OnKeyPressed(const ui::KeyEvent& event) override;
   void OnGestureEvent(ui::GestureEvent* event) override;
 
   // Called to notify the PageAction that it should determine whether to be
   // visible or hidden. |contents| is the WebContents that is active.
   void UpdateVisibility(content::WebContents* contents);
 
  private:
   static const char kViewClassName[];
 
-  // Overridden from View.
-  void PaintChildren(const ui::PaintContext& context) override;
-
   // ToolbarActionViewDelegateViews:
   void UpdateState() override;
   views::View* GetAsView() override;
   bool IsMenuRunning() const override;
   views::FocusManager* GetFocusManagerForAccelerator() override;
   views::View* GetReferenceViewForPopup() override;
   content::WebContents* GetCurrentWebContents() const override;
 
   // views::ContextMenuController:
   void ShowContextMenuForView(views::View* source,
@@ skipping 13 matching lines @@
   // briefly shown even if it hasn't been enabled by its extension.
   bool preview_enabled_;
 
   // Responsible for running the menu.
   scoped_ptr<views::MenuRunner> menu_runner_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(PageActionImageView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_PAGE_ACTION_IMAGE_VIEW_H_