remove call to self.locale from helpers

actionpack/lib/action_view/helpers/active_record_helper.rb

@@ -159,9 +159,6 @@ def error_messages_for(*params)
         end
         
         count  = objects.inject(0) {|sum, object| sum + object.errors.count }
-        locale = options[:locale]
-        locale ||= self.locale if respond_to?(:locale)
-
         unless count.zero?
           html = {}
           [:id, :class].each do |key|
@@ -174,7 +171,7 @@ def error_messages_for(*params)
           end
           options[:object_name] ||= params.first
 
-          I18n.with_options :locale => locale, :scope => [:active_record, :error] do |locale|
+          I18n.with_options :locale => options[:locale], :scope => [:active_record, :error] do |locale|
             header_message = if options.include?(:header_message)
               options[:header_message]
             else 

actionpack/lib/action_view/helpers/date_helper.rb

@@ -59,15 +59,12 @@ module DateHelper
       #   distance_of_time_in_words(Time.now, Time.now)           # => less than a minute
       #
       def distance_of_time_in_words(from_time, to_time = 0, include_seconds = false, options = {})
-        locale = options[:locale] 
-        locale ||= self.locale if respond_to?(:locale)
-
         from_time = from_time.to_time if from_time.respond_to?(:to_time)
         to_time = to_time.to_time if to_time.respond_to?(:to_time)
         distance_in_minutes = (((to_time - from_time).abs)/60).round
         distance_in_seconds = ((to_time - from_time).abs).round
 
-        I18n.with_options :locale => locale, :scope => :'datetime.distance_in_words' do |locale|
+        I18n.with_options :locale => options[:locale], :scope => :'datetime.distance_in_words' do |locale|
           case distance_in_minutes
             when 0..1
               return distance_in_minutes == 0 ? 

actionpack/lib/action_view/helpers/number_helper.rb

@@ -69,12 +69,9 @@ def number_to_phone(number, options = {})
       #  number_to_currency(1234567890.50, :unit => "£", :separator => ",", :delimiter => "", :format => "%n %u")
       #  # => 1234567890,50 £
       def number_to_currency(number, options = {})
-        options = options.symbolize_keys
-
-        locale = options[:locale]
-        locale ||= self.locale if respond_to?(:locale)
-
-        defaults  = :'currency.format'.t(locale) || {}
+        options  = options.symbolize_keys
+        defaults = :'currency.format'.t(options[:locale]) || {}
+                
         precision = options[:precision] || defaults[:precision]
         unit      = options[:unit]      || defaults[:unit]
         separator = options[:separator] || defaults[:separator]