Refactor menu controller to isolate aura dependency.

ui/views/controls/menu/menu_config_mac.cc

Index: ui/views/controls/menu/menu_config_mac.cc
diff --git a/ui/views/controls/menu/menu_config_mac.cc b/ui/views/controls/menu/menu_config_mac.cc
index fdd7de9da297ce9db37d60baa32e35a3bc0f50a7..84ba6ea20710f56681546ac5cefb720f5fcfa466 100644
--- a/ui/views/controls/menu/menu_config_mac.cc
+++ b/ui/views/controls/menu/menu_config_mac.cc
@@ -2,12 +2,41 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#include "grit/ui_resources.h"
+#include "ui/base/resource/resource_bundle.h"
+#include "ui/gfx/image/image_skia.h"
+#include "ui/native_theme/native_theme_mac.h"
 #include "ui/views/controls/menu/menu_config.h"
+#include "ui/views/controls/menu/menu_image_util.h"
 
 namespace views {
 
 void MenuConfig::Init(const ui::NativeTheme* theme) {
-  NOTIMPLEMENTED();
+  submenu_horizontal_inset = 1;
+  arrow_to_edge_padding = 20;
+  ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
+  arrow_width = rb.GetImageNamed(IDR_MENU_HIERARCHY_ARROW).Width();
+  gfx::ImageSkia check = GetMenuCheckImage(false);
+  check_height = check.height();
+  item_min_height = 29;
+  separator_spacing_height = 7;
+  separator_lower_height = 8;
+  separator_upper_height = 8;
+  label_to_arrow_padding = 20;
+  label_to_minor_text_padding = 20;
+  always_use_icon_to_label_padding = true;
+  align_arrow_and_shortcut = true;
+  offset_context_menus = true;
+  corner_radius = 2;
+}
+
+// static
+const MenuConfig& MenuConfig::instance(const ui::NativeTheme* theme) {
+  static MenuConfig* views_instance = NULL;
+  if (!views_instance)
+    views_instance = new MenuConfig(theme ?
+        theme : ui::NativeTheme::instance());
+  return *views_instance;
 }
 
 }  // namespace views