1 files changed, 3 insertions, 54 deletions
diff --git a/actionmailer/lib/action_mailer/caching.rb b/actionmailer/lib/action_mailer/caching.rb
index c5b4890178..319909d1a7 100644
--- a/actionmailer/lib/action_mailer/caching.rb
+++ b/actionmailer/lib/action_mailer/caching.rb
@@ -1,62 +1,11 @@
-require 'active_support/descendants_tracker'
-require 'action_dispatch/caching/fragments'
+require 'action_dispatch/caching'
 
 module ActionMailer
   module Caching
-    extend ActiveSupport::Concern
     extend ActiveSupport::Autoload
-
-    module ConfigMethods
-      def cache_store
-        config.cache_store
-      end
-
-      def cache_store=(store)
-        config.cache_store = ActiveSupport::Cache.lookup_store(store)
-      end
-
-      private
-        def cache_configured?
-          perform_caching && cache_store
-        end
-    end
-
-    include AbstractController::Helpers
-    include ConfigMethods
-    include ActionDispatch::Caching::Fragments
-
+    extend ActiveSupport::Concern
     included do
-      extend ConfigMethods
-
-      config_accessor :default_static_extension
-      self.default_static_extension ||= '.html'
-
-      config_accessor :perform_caching
-      self.perform_caching = true if perform_caching.nil?
-
-      class_attribute :_view_cache_dependencies
-      self._view_cache_dependencies = []
-      helper_method :view_cache_dependencies if respond_to?(:helper_method)
-    end
-
-    module ClassMethods
-      def view_cache_dependency(&dependency)
-        self._view_cache_dependencies += [dependency]
-      end
-    end
-
-    def view_cache_dependencies
-      self.class._view_cache_dependencies.map { |dep| instance_exec(&dep) }.compact
-    end
-
-    protected
-      # Convenience accessor.
-    def cache(key, options = {}, &block)
-      if cache_configured?
-        cache_store.fetch(ActiveSupport::Cache.expand_cache_key(key, :controller), options, &block)
-      else
-        yield
-      end
+      include ActionDispatch::Caching
     end
 
     def perform_caching