Update drop down menu look & feel

ui/views/controls/menu/menu_config_views.cc

Index: ui/views/controls/menu/menu_config_views.cc
diff --git a/ui/views/controls/menu/menu_config_views.cc b/ui/views/controls/menu/menu_config_views.cc
index 7ae2b67f4c1d6a5351d2a5df5091bca70f63dcc8..ee306a7f947347a1fec927de9f0dcbfbd756850f 100644
--- a/ui/views/controls/menu/menu_config_views.cc
+++ b/ui/views/controls/menu/menu_config_views.cc
@@ -18,8 +18,10 @@ MenuConfig* MenuConfig::Create() {
   MenuConfig* config = new MenuConfig();
   config->text_color = ui::NativeTheme::instance()->GetSystemColor(
       ui::NativeTheme::kColorId_EnabledMenuItemForegroundColor);
+  config->menu_border_offset_horizontal = 1;
+  config->menu_border_offset_vertical = 2;
   config->submenu_horizontal_margin_size = 0;
-  config->submenu_vertical_margin_size = 2;
+  config->submenu_vertical_margin_size = 0;
   config->submenu_horizontal_inset = 1;
   ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
   config->arrow_to_edge_padding = 20;