Replace the placeholder base_hook API with on_load. To specify some code that

should run during framework load do:

ActiveSupport.on_load(:action_controller) do
  # Code run in the context of AC::Base
end

2 files changed, 8 insertions, 3 deletions

diff --git a/railties/lib/rails/application/routes_reloader.rb b/railties/lib/rails/application/routes_reloader.rb
index a5154f4bba..a2b3622df8 100644
--- a/railties/lib/rails/application/routes_reloader.rb
+++ b/railties/lib/rails/application/routes_reloader.rb
@@ -27,7 +27,7 @@ module Rails
 
         routes.clear!
         paths.each { |path| load(path) }
-        ActionController.base_hook { routes.finalize! }
+        ActiveSupport.on_load(:action_controller) { routes.finalize! }
 
         nil
       ensure
diff --git a/railties/lib/rails/engine.rb b/railties/lib/rails/engine.rb
index 85cae75bce..e9013348b5 100644
--- a/railties/lib/rails/engine.rb
+++ b/railties/lib/rails/engine.rb
@@ -180,8 +180,13 @@ module Rails
 
     initializer :add_view_paths do
       views = paths.app.views.to_a
-      ActionController.base_hook { prepend_view_path(views) } if defined?(ActionController)
-      ActionMailer.base_hook { prepend_view_path(views) } if defined?(ActionMailer)
+      ActiveSupport.on_load(:action_controller) do
+        prepend_view_path(views)
+      end
+
+      ActiveSupport.on_load(:action_mailer) do
+        prepend_view_path(views)
+      end
     end
 
     initializer :add_metals do |app|