name.blank? -> anonymous? in a few places

Signed-off-by: NYehuda Katz <yehudakatz@YK.local>

activesupport/lib/active_support/dependencies.rb

@@ -472,7 +472,7 @@ def remove_unloadable_constants!
     # Determine if the given constant has been automatically loaded.
     def autoloaded?(desc)
       # No name => anonymous module.
-      return false if desc.is_a?(Module) && desc.name.blank?
+      return false if desc.is_a?(Module) && desc.anonymous?
       name = to_constant_name desc
       return false unless qualified_const_defined? name
       return autoloaded_constants.include?(name)