Added MenuConfig setter to MenuItemView, updated rest of the code to use set MenuConfig if it avail…

ui/views/controls/menu/menu_separator_views.cc

Index: ui/views/controls/menu/menu_separator_views.cc
diff --git a/ui/views/controls/menu/menu_separator_views.cc b/ui/views/controls/menu/menu_separator_views.cc
index b3e69d686e9545e9076878b58c23c5ba9ee84ff5..f1b4352968ac4ee1c926471c2e53dd26e3862f83 100644
--- a/ui/views/controls/menu/menu_separator_views.cc
+++ b/ui/views/controls/menu/menu_separator_views.cc
@@ -37,19 +37,20 @@ void MenuSeparator::OnPaint(gfx::Canvas* canvas) {
 }
 
 gfx::Size MenuSeparator::GetPreferredSize() {
-  int height = MenuConfig::instance().separator_height;
+  const MenuConfig& menu_config = parent_menu_item_->GetMenuConfig();
+  int height = menu_config.separator_height;
   switch(type_) {
     case ui::SPACING_SEPARATOR:
-      height = MenuConfig::instance().separator_spacing_height;
+      height = menu_config.separator_spacing_height;
       break;
     case ui::LOWER_SEPARATOR:
-      height = MenuConfig::instance().separator_lower_height;
+      height = menu_config.separator_lower_height;
       break;
     case ui::UPPER_SEPARATOR:
-      height = MenuConfig::instance().separator_upper_height;
+      height = menu_config.separator_upper_height;
       break;
     default:
-      height = MenuConfig::instance().separator_height;
+      height = menu_config.separator_height;
       break;
   }
   return gfx::Size(10,  // Just in case we're the only item in a menu.