Push `before_sending` to super class

We want to get rid of the `Live::Response` so we are consolidating methods
from `Live::Response` and `Response` by merging them together.

This adds an `#empty` method to the request so we don't need to
hard-code the empty array each time we call an empty
`ActionDispatch::Request`.

The work here is a continuation on combining controller and integration
test code bases into one.

1 files changed, 4 insertions, 0 deletions

diff --git a/actionpack/lib/action_dispatch/http/request.rb b/actionpack/lib/action_dispatch/http/request.rb
index 3280799647..482917d71b 100644
--- a/actionpack/lib/action_dispatch/http/request.rb
+++ b/actionpack/lib/action_dispatch/http/request.rb
@@ -49,6 +49,10 @@ module ActionDispatch
       METHOD
     end
 
+    def self.empty
+      new({})
+    end
+
     def initialize(env)
       super
       @method            = nil