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

views/controls/menu/menu_scroll_view_container.cc

Index: views/controls/menu/menu_scroll_view_container.cc
diff --git a/views/controls/menu/menu_scroll_view_container.cc b/views/controls/menu/menu_scroll_view_container.cc
index ef7a8abec40ea818e0c06a1b5f52e6501cb304c5..b538f5b5d8264fe438a1a8f85b488f2ebb79c6e1 100644
--- a/views/controls/menu/menu_scroll_view_container.cc
+++ b/views/controls/menu/menu_scroll_view_container.cc
@@ -178,7 +178,12 @@ MenuScrollViewContainer::MenuScrollViewContainer(SubmenuView* content_view) {
                  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()};