Mark some methods as private

lib/devise/models/authenticatable.rb

@@ -93,22 +93,10 @@ module Devise
       def authenticatable_salt
       end
 
-      def devise_mailer
-        Devise.mailer
-      end
-
       def headers_for(name)
         {}
       end
 
-      def downcase_keys
-        self.class.case_insensitive_keys.each { |k| self[k].try(:downcase!) }
-      end
-
-      def strip_whitespace
-        self.class.strip_whitespace_keys.each { |k| self[k].try(:strip!) }
-      end
-
       array = %w(serializable_hash)
       # to_xml does not call serializable_hash on 3.1
       array << "to_xml" if Rails::VERSION::STRING[0,3] == "3.1"
@@ -136,6 +124,10 @@ module Devise
 
       protected
 
+      def devise_mailer
+        Devise.mailer
+      end
+
       # This is an internal method called every time Devise needs
       # to send a notification/mail. This can be overriden if you
       # need to customize the e-mail delivery logic. For instance,
@@ -171,6 +163,14 @@ module Devise
         devise_mailer.send(notification, self).deliver
       end
 
+      def downcase_keys
+        self.class.case_insensitive_keys.each { |k| self[k].try(:downcase!) }
+      end
+
+      def strip_whitespace
+        self.class.strip_whitespace_keys.each { |k| self[k].try(:strip!) }
+      end
+
       module ClassMethods
         Devise::Models.config(self, :authentication_keys, :request_keys, :strip_whitespace_keys,
           :case_insensitive_keys, :http_authenticatable, :params_authenticatable, :skip_session_storage)