Fix some warnings in layout.

components/layout/block.rs

@@ -63,7 +63,7 @@ use style::computed_values::{overflow, position, box_sizing, display, float};
 use std::sync::Arc;
 
 /// Information specific to floated blocks.
-#[derive(Clone, Encodable)]
+#[derive(Clone, RustcEncodable)]
 pub struct FloatedBlockInfo {
     /// The amount of inline size that is available for the float.
     pub containing_inline_size: Au,
@@ -735,7 +735,7 @@ impl BlockFlow {
         traversal.process(flow);
 
         let cb_block_start_edge_offset = flow.generated_containing_block_rect().start.b;
-        let mut descendant_offset_iter = mut_base(flow).abs_descendants.iter_with_offset();
+        let descendant_offset_iter = mut_base(flow).abs_descendants.iter_with_offset();
         // Pass in the respective static y offset for each descendant.
         for (ref mut descendant_link, ref y_offset) in descendant_offset_iter {
             let block = descendant_link.as_block();

components/layout/css/matching.rs

@@ -71,7 +71,7 @@ impl ApplicableDeclarationsCacheEntry {
 
 impl PartialEq for ApplicableDeclarationsCacheEntry {
     fn eq(&self, other: &ApplicableDeclarationsCacheEntry) -> bool {
-        let this_as_query = ApplicableDeclarationsCacheQuery::new(self.declarations.as_slice());
+        let this_as_query = ApplicableDeclarationsCacheQuery::new(&*self.declarations);
         this_as_query.eq(other)
     }
 }
@@ -79,7 +79,7 @@ impl Eq for ApplicableDeclarationsCacheEntry {}
 
 impl<H: Hasher+Writer> Hash<H> for ApplicableDeclarationsCacheEntry {
     fn hash(&self, state: &mut H) {
-        let tmp = ApplicableDeclarationsCacheQuery::new(self.declarations.as_slice());
+        let tmp = ApplicableDeclarationsCacheQuery::new(&*self.declarations);
         tmp.hash(state);
     }
 }
@@ -643,7 +643,7 @@ impl<'ln> MatchMethods for LayoutNode<'ln> {
                         if applicable_declarations.before.len() > 0 {
                            damage = damage | self.cascade_node_pseudo_element(
                                Some(layout_data.shared_data.style.as_ref().unwrap()),
-                               applicable_declarations.before.as_slice(),
+                               &*applicable_declarations.before,
                                &mut layout_data.data.before_style,
                                applicable_declarations_cache,
                                false);
@@ -651,7 +651,7 @@ impl<'ln> MatchMethods for LayoutNode<'ln> {
                         if applicable_declarations.after.len() > 0 {
                            damage = damage | self.cascade_node_pseudo_element(
                                Some(layout_data.shared_data.style.as_ref().unwrap()),
-                               applicable_declarations.after.as_slice(),
+                               &*applicable_declarations.after,
                                &mut layout_data.data.after_style,
                                applicable_declarations_cache,
                                false);

components/layout/display_list_builder.rs

@@ -468,9 +468,7 @@ impl FragmentDisplayListBuilding for Fragment {
                             position_to_offset(gradient.stops[i - 1].position.unwrap(), length)
                         };
                         let (end_index, end_offset) =
-                            match gradient.stops
-                                          .as_slice()
-                                          .slice_from(i)
+                            match gradient.stops[i..]
                                           .iter()
                                           .enumerate()
                                           .find(|&(_, ref stop)| stop.position.is_some()) {

components/layout/flow.rs

@@ -638,16 +638,16 @@ impl Descendants {
     /// Return an iterator over the descendant flows.
     pub fn iter<'a>(&'a mut self) -> DescendantIter<'a> {
         DescendantIter {
-            iter: self.descendant_links.slice_from_mut(0).iter_mut(),
+            iter: self.descendant_links.iter_mut(),
         }
     }
 
     /// Return an iterator over (descendant, static y offset).
     pub fn iter_with_offset<'a>(&'a mut self) -> DescendantOffsetIter<'a> {
         let descendant_iter = DescendantIter {
-            iter: self.descendant_links.slice_from_mut(0).iter_mut(),
+            iter: self.descendant_links.iter_mut(),
         };
-        descendant_iter.zip(self.static_block_offsets.slice_from_mut(0).iter_mut())
+        descendant_iter.zip(self.static_block_offsets.iter_mut())
     }
 }
 

components/layout/fragment.rs

@@ -1484,7 +1484,7 @@ impl Fragment {
     /// A helper method that uses the breaking strategy described by `slice_iterator` (at present,
     /// either natural word breaking or character breaking) to split this fragment.
     fn calculate_split_position_using_breaking_strategy<'a,I>(&self,
-                                                              mut slice_iterator: I,
+                                                              slice_iterator: I,
                                                               max_inline_size: Au,
                                                               flags: SplitOptions)
                                                               -> Option<SplitResult>

components/layout/layout_debug.rs

@@ -14,11 +14,11 @@ use serialize::json;
 use std::borrow::ToOwned;
 use std::cell::RefCell;
 use std::old_io::File;
-use std::sync::atomic::{AtomicUint, Ordering, ATOMIC_UINT_INIT};
+use std::sync::atomic::{AtomicUsize, Ordering, ATOMIC_USIZE_INIT};
 
 thread_local!(static STATE_KEY: RefCell<Option<State>> = RefCell::new(None));
 
-static mut DEBUG_ID_COUNTER: AtomicUint = ATOMIC_UINT_INIT;
+static mut DEBUG_ID_COUNTER: AtomicUsize = ATOMIC_USIZE_INIT;
 
 pub struct Scope;
 

components/layout/lib.rs

@@ -2,12 +2,25 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-#![feature(thread_local, unsafe_destructor, box_syntax, plugin, int_uint)]
+#![feature(alloc)]
+#![feature(box_syntax)]
+#![feature(collections)]
+#![feature(core)]
+#![feature(hash)]
+#![feature(int_uint)]
+#![feature(io)]
+#![feature(libc)]
+#![feature(path)]
+#![feature(plugin)]
+#![feature(rustc_private)]
+#![feature(std_misc)]
+#![feature(thread_local)]
+#![feature(unicode)]
+#![feature(unsafe_destructor)]
 
 #![deny(unsafe_blocks)]
 #![allow(unrooted_must_root)]
 #![allow(missing_copy_implementations)]
-#![allow(unstable)]
 
 #[macro_use]
 extern crate log;