Update drop down menu look & feel

ui/views/controls/combobox/native_combobox_views.cc

Index: ui/views/controls/combobox/native_combobox_views.cc
diff --git a/ui/views/controls/combobox/native_combobox_views.cc b/ui/views/controls/combobox/native_combobox_views.cc
index e0032c30986a737c102b6d88815f6ef45f1ba760..66d88a7d985af22d8652270f2eb448f500749651 100644
--- a/ui/views/controls/combobox/native_combobox_views.cc
+++ b/ui/views/controls/combobox/native_combobox_views.cc
@@ -57,7 +57,7 @@ NativeComboboxViews::NativeComboboxViews(Combobox* combobox)
     : combobox_(combobox),
       text_border_(new FocusableBorder()),
       disclosure_arrow_(ui::ResourceBundle::GetSharedInstance().GetImageNamed(
-          IDR_DISCLOSURE_ARROW).ToImageSkia()),
+          IDR_MENU_DROPARROW).ToImageSkia()),
       dropdown_open_(false),
       selected_index_(-1),
       content_width_(0),
@@ -326,11 +326,6 @@ void NativeComboboxViews::ShowDropDownMenu() {
   SubmenuView* submenu = menu->CreateSubmenu();
   submenu->set_minimum_preferred_width(size().width());
 
-#if defined(USE_AURA)
-  // Aura style is to have the menu over the bounds. Below bounds is default.
-  menu->set_menu_position(views::MenuItemView::POSITION_OVER_BOUNDS);
-#endif
-
   gfx::Rect lb = GetLocalBounds();
   gfx::Point menu_position(lb.origin());
   View::ConvertPointToScreen(this, &menu_position);