Raise ArgumentError to fix Rails 4.1 deprecation warn message.

1 files changed, 1 insertions, 5 deletions

diff --git a/actionpack/lib/action_view/helpers/asset_tag_helper.rb b/actionpack/lib/action_view/helpers/asset_tag_helper.rb
index 3a6f449eb8..2b3a3c6a29 100644
--- a/actionpack/lib/action_view/helpers/asset_tag_helper.rb
+++ b/actionpack/lib/action_view/helpers/asset_tag_helper.rb
@@ -127,11 +127,7 @@ module ActionView
       #   # => <link rel="alternate" type="application/rss+xml" title="Example RSS" href="http://www.example.com/feed" />
       def auto_discovery_link_tag(type = :rss, url_options = {}, tag_options = {})
         if !(type == :rss || type == :atom) && tag_options[:type].blank?
-          message = "You have passed type other than :rss or :atom to auto_discovery_link_tag and haven't supplied " +
-                    "the :type option key. This behavior is deprecated and will be remove in Rails 4.1. You should pass " +
-                    ":type option explicitly if you want to use other types, for example: " +
-                    "auto_discovery_link_tag(:xml, '/feed.xml', :type => 'application/xml')"
-          ActiveSupport::Deprecation.warn message
+          raise ArgumentError.new("You should pass :type tag_option key explicitly, because you have passed #{type} type other than :rss or :atom.")
         end
 
         tag(