Makes it so child views of menuitemview can be traversed with the

views/controls/menu/menu_scroll_view_container.cc

 // Copyright (c) 2010 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.
 
 #include "views/controls/menu/menu_scroll_view_container.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #include <uxtheme.h>
 #include <Vssym32.h>
@@ skipping 160 matching lines @@
   scroll_view_ = new MenuScrollView(content_view);
   AddChildView(scroll_view_);
 
   set_border(Border::CreateEmptyBorder(
                  SubmenuView::kSubmenuBorderSize,
                  SubmenuView::kSubmenuBorderSize,
                  SubmenuView::kSubmenuBorderSize,
                  SubmenuView::kSubmenuBorderSize));
 }
 
-void MenuScrollViewContainer::Paint(gfx::Canvas* canvas) {
+void MenuScrollViewContainer::PaintBackground(gfx::Canvas* canvas) {
+  if (background()) {
+    View::PaintBackground(canvas);
+    return;
+  }
+
 #if defined(OS_WIN)
   HDC dc = canvas->beginPlatformPaint();
   RECT bounds = {0, 0, width(), height()};
   NativeTheme::instance()->PaintMenuBackground(
       NativeTheme::MENU, dc, MENU_POPUPBACKGROUND, 0, &bounds);
   canvas->endPlatformPaint();
 #elif defined(OS_CHROMEOS)
   static const SkColor kGradientColors[2] = {
       SK_ColorWHITE,
       SkColorSetRGB(0xF0, 0xF0, 0xF0)
@@ skipping 69 matching lines @@
 }
 
 bool MenuScrollViewContainer::GetAccessibleRole(
     AccessibilityTypes::Role* role) {
   DCHECK(role);
   *role = AccessibilityTypes::ROLE_MENUPOPUP;
   return true;
 }
 
 }  // namespace views