Move util::persistent_list to layout

components/layout/floats.rs

@@ -3,12 +3,12 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 use app_units::Au;
+use persistent_list::PersistentList;
 use std::cmp::{max, min};
 use std::fmt;
 use std::i32;
 use style::computed_values::float;
 use style::logical_geometry::{LogicalRect, LogicalSize, WritingMode};
-use util::persistent_list::PersistentList;
 
 /// The kind of float: left or right.
 #[derive(Clone, RustcEncodable, Debug, Copy)]

components/layout/lib.rs

@@ -85,6 +85,7 @@ mod model;
 mod multicol;
 mod opaque_node;
 mod parallel;
+mod persistent_list;
 mod query;
 mod sequential;
 mod table;

components/util/lib.rs

@@ -58,7 +58,6 @@ pub mod linked_list;
 #[cfg(feature = "non-geckolib")]
 pub mod non_geckolib;
 pub mod opts;
-pub mod persistent_list;
 pub mod prefs;
 pub mod print_tree;
 pub mod range;