Refactor clone button sanitation to its own method to avoid duplication.

app/helpers/application_settings_helper.rb

@@ -47,12 +47,16 @@ module ApplicationSettingsHelper
   def enabled_project_tooltip(project, protocol)
     case protocol
     when 'ssh'
-      sanitize(ssh_clone_button(project), tags: %w(a), attributes: %w(id class title data-html data-container data-placement data-title data-original-title aria-describedby))
+      sanitize_clone_button(ssh_clone_button(project))
     else
-      sanitize(http_clone_button(project), tags: %w(a), attributes: %w(id class title data-html data-container data-placement data-title data-original-title aria-describedby))
+      sanitize_clone_button(http_clone_button(project))
     end
   end
 
+  def sanitize_clone_button(input)
+    sanitize(input, tags: %w(a), attributes: %w(id class title data-html data-container data-placement data-title data-original-title aria-describedby))
+  end
+
   # Return a group of checkboxes that use Bootstrap's button plugin for a
   # toggle button effect.
   def restricted_level_checkboxes(help_block_id)