Integrate new MD update menu icons.

chrome/browser/ui/toolbar/app_menu_badge_controller.h

Index: chrome/browser/ui/toolbar/app_menu_badge_controller.h
diff --git a/chrome/browser/ui/toolbar/app_menu_badge_controller.h b/chrome/browser/ui/toolbar/app_menu_badge_controller.h
index b8e46a44269c28469bca9bef1917c9c747a0eb8e..76ec6c7bd25dd4ca5e1ec352662f8b1400490a76 100644
--- a/chrome/browser/ui/toolbar/app_menu_badge_controller.h
+++ b/chrome/browser/ui/toolbar/app_menu_badge_controller.h
@@ -18,11 +18,11 @@ class Profile;
 // as a result of various events - such as available updates, errors, etc.
 class AppMenuBadgeController : public content::NotificationObserver {
  public:
-  enum BadgeType {
-    BADGE_TYPE_NONE,
-    BADGE_TYPE_UPGRADE_NOTIFICATION,
-    BADGE_TYPE_GLOBAL_ERROR,
-    BADGE_TYPE_INCOMPATIBILITY_WARNING,
+  enum class BadgeType {
+    NONE,
+    UPGRADE_NOTIFICATION,
+    GLOBAL_ERROR,
+    INCOMPATIBILITY_WARNING,
   };
 
   // Delegate interface for receiving badge update notifications.