[Extensions UI] Clean up extension icon generation

chrome/browser/ui/views/toolbar/toolbar_action_view.h

 // Copyright 2013 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_TOOLBAR_TOOLBAR_ACTION_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_TOOLBAR_TOOLBAR_ACTION_VIEW_H_
 
 #include "chrome/browser/ui/views/toolbar/toolbar_action_view_delegate_views.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
@@ skipping 99 matching lines @@
   gfx::ImageSkia GetIconForTest();
 
   bool wants_to_run_for_testing() const { return wants_to_run_; }
 
  private:
   // views::MenuButton:
   gfx::Size GetPreferredSize() const override;
   void OnDragDone() override;
   void ViewHierarchyChanged(
       const ViewHierarchyChangedDetails& details) override;
-  void PaintChildren(const ui::PaintContext& context) override;
   void OnPaintBorder(gfx::Canvas* canvas) override;
 
   // ToolbarActionViewDelegateViews:
   views::View* GetAsView() override;
   views::FocusManager* GetFocusManagerForAccelerator() override;
   views::View* GetReferenceViewForPopup() override;
   bool IsMenuRunning() const override;
   void OnPopupShown(bool by_user) override;
   void OnPopupClosed() override;
 
@@ skipping 41 matching lines @@
   base::Closure followup_context_menu_task_;
 
   content::NotificationRegistrar registrar_;
 
   base::WeakPtrFactory<ToolbarActionView> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ToolbarActionView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_TOOLBAR_TOOLBAR_ACTION_VIEW_H_