6 files changed, 10 insertions, 18 deletions
diff --git a/actionpack/lib/action_controller.rb b/actionpack/lib/action_controller.rb
index 0b96c96a2c..8c1f548e47 100644
--- a/actionpack/lib/action_controller.rb
+++ b/actionpack/lib/action_controller.rb
@@ -12,7 +12,6 @@ module ActionController
   autoload :Middleware
 
   autoload_under "metal" do
-    autoload :AssetPaths
     autoload :Compatibility
     autoload :ConditionalGet
     autoload :Cookies
diff --git a/actionpack/lib/action_controller/base.rb b/actionpack/lib/action_controller/base.rb
index 0d79e046a1..f829f5e8a2 100644
--- a/actionpack/lib/action_controller/base.rb
+++ b/actionpack/lib/action_controller/base.rb
@@ -183,8 +183,8 @@ module ActionController
     MODULES = [
       AbstractController::Layouts,
       AbstractController::Translation,
+      AbstractController::AssetPaths,
 
-      AssetPaths,
       Helpers,
       HideActions,
       UrlFor,
diff --git a/actionpack/lib/action_controller/metal/asset_paths.rb b/actionpack/lib/action_controller/metal/asset_paths.rb
deleted file mode 100644
index 3c1c95c042..0000000000
--- a/actionpack/lib/action_controller/metal/asset_paths.rb
+++ /dev/null
@@ -1,13 +0,0 @@
-require 'action_controller/metal/exceptions'
-
-module ActionController
-  module AssetPaths
-    extend ActiveSupport::Concern
-
-    include AbstractController::AssetPaths
-
-    def invalid_asset_host!(help_message)
-      raise ActionController::RoutingError, "This asset host cannot be computed without a request in scope. #{help_message}"
-    end
-  end
-end
diff --git a/actionpack/lib/action_view.rb b/actionpack/lib/action_view.rb
index 68a2322163..091b0d8cd2 100644
--- a/actionpack/lib/action_view.rb
+++ b/actionpack/lib/action_view.rb
@@ -71,6 +71,7 @@ module ActionView
       autoload :MissingTemplate
       autoload :ActionViewError
       autoload :EncodingError
+      autoload :MissingRequestError
       autoload :TemplateError
       autoload :WrongEncodingError
     end
diff --git a/actionpack/lib/action_view/asset_paths.rb b/actionpack/lib/action_view/asset_paths.rb
index 3ddd8bd552..a9216c4333 100644
--- a/actionpack/lib/action_view/asset_paths.rb
+++ b/actionpack/lib/action_view/asset_paths.rb
@@ -1,6 +1,6 @@
 require 'zlib'
 require 'active_support/core_ext/file'
-require 'active_support/core_ext/module/delegation'
+require 'action_controller/metal/exceptions'
 
 module ActionView
   class AssetPaths #:nodoc:
@@ -8,8 +8,6 @@ module ActionView
 
     attr_reader :config, :controller
 
-    delegate :invalid_asset_host!, :to => :controller, :prefix => false
-
     def initialize(config, controller = nil)
       @config = config
       @controller = controller
@@ -99,6 +97,10 @@ module ActionView
       @config.default_asset_host_protocol || (has_request? ? :request : :relative)
     end
 
+    def invalid_asset_host!(help_message)
+      raise ActionView::MissingRequestError, "This asset host cannot be computed without a request in scope. #{help_message}"
+    end
+
     # Pick an asset host for this source. Returns +nil+ if no host is set,
     # the host if no wildcard is set, the host interpolated with the
     # numbers 0-3 if it contains <tt>%d</tt> (the number is the source hash mod 4),
diff --git a/actionpack/lib/action_view/template/error.rb b/actionpack/lib/action_view/template/error.rb
index f2bef4bded..e00056781d 100644
--- a/actionpack/lib/action_view/template/error.rb
+++ b/actionpack/lib/action_view/template/error.rb
@@ -8,6 +8,9 @@ module ActionView
   class EncodingError < StandardError #:nodoc:
   end
 
+  class MissingRequestError < StandardError #:nodoc:
+  end
+
   class WrongEncodingError < EncodingError #:nodoc:
     def initialize(string, encoding)
       @string, @encoding = string, encoding