Use a mixin for the `path` function to DRY it up

app/controllers/application_controller.rb

@@ -8,11 +8,13 @@ require_dependency 'crawler_detection'
 require_dependency 'json_error'
 require_dependency 'letter_avatar'
 require_dependency 'distributed_cache'
+require_dependency 'global_path'
 
 class ApplicationController < ActionController::Base
   include CurrentUser
   include CanonicalURL::ControllerExtensions
   include JsonError
+  include GlobalPath
 
   serialization_scope :guardian
 
@@ -404,10 +406,6 @@ class ApplicationController < ActionController::Base
 
   protected
 
-    def path(p)
-      "#{GlobalSetting.relative_url_root}#{p}"
-    end
-
     def render_post_json(post, add_raw=true)
       post_serializer = PostSerializer.new(post, scope: guardian, root: false)
       post_serializer.add_raw = add_raw

app/helpers/application_helper.rb

@@ -6,11 +6,13 @@ require_dependency 'age_words'
 require_dependency 'configurable_urls'
 require_dependency 'mobile_detection'
 require_dependency 'category_badge'
+require_dependency 'global_path'
 
 module ApplicationHelper
   include CurrentUser
   include CanonicalURL::Helpers
   include ConfigurableUrls
+  include GlobalPath
 
   def shared_session_key
     if SiteSetting.long_polling_base_url != '/'.freeze && current_user
@@ -23,10 +25,6 @@ module ApplicationHelper
     end
   end
 
-  def path(path)
-    "#{GlobalSetting.relative_url_root}#{path}"
-  end
-
   def script(*args)
     if SiteSetting.enable_cdn_js_debugging && GlobalSetting.cdn_url
       tags = javascript_include_tag(*args, "crossorigin" => "anonymous")

lib/global_path.rb

@@ -0,0 +1,5 @@
+module GlobalPath
+  def path(p)
+    "#{GlobalSetting.relative_url_root}#{p}"
+  end
+end