Merge pull request #272 from koenpunt/patch-1

hook include of helper to loading of ActionView

Author: oreoshake

lib/secure_headers/view_helper.rb

@@ -108,8 +108,6 @@ def nonced_tag(type, content_or_options, block)
   end
 end
 
-module ActionView #:nodoc:
-  class Base #:nodoc:
-    include SecureHeaders::ViewHelpers
-  end
-end
+ActiveSupport.on_load :action_view do
+  include SecureHeaders::ViewHelpers
+end if defined?(ActiveSupport)