Some further removals

components/layout/flow.rs

@@ -51,7 +51,6 @@ use num_traits::cast::FromPrimitive;
 use serde::ser::{Serialize, SerializeStruct, Serializer};
 use servo_geometry::{au_rect_to_f32_rect, f32_rect_to_au_rect, MaxRect};
 use std::fmt;
-use std::iter::Zip;
 use std::slice::IterMut;
 use std::sync::atomic::Ordering;
 use std::sync::Arc;
@@ -128,11 +127,6 @@ pub trait Flow: HasBaseFlow + fmt::Debug + Sync + Send + 'static {
         panic!("called as_flex() on a non-flex flow")
     }
 
-    /// If this is a flex flow, returns the underlying object, borrowed mutably. Fails otherwise.
-    fn as_mut_flex(&mut self) -> &mut FlexFlow {
-        panic!("called as_mut_flex() on a non-flex flow")
-    }
-
     /// If this is an inline flow, returns the underlying object. Fails otherwise.
     fn as_inline(&self) -> &InlineFlow {
         panic!("called as_inline() on a non-inline flow")
@@ -786,8 +780,6 @@ impl<'a> Iterator for AbsoluteDescendantIter<'a> {
     }
 }
 
-pub type AbsoluteDescendantOffsetIter<'a> = Zip<AbsoluteDescendantIter<'a>, IterMut<'a, Au>>;
-
 /// Information needed to compute absolute (i.e. viewport-relative) flow positions (not to be
 /// confused with absolutely-positioned flows) that is computed during block-size assignment.
 #[derive(Clone, Copy)]

components/layout/flow_list.rs

@@ -125,12 +125,6 @@ impl FlowList {
         }
     }
 
-    /// O(1)
-    #[inline]
-    pub fn is_empty(&self) -> bool {
-        self.flows.is_empty()
-    }
-
     /// O(1)
     #[inline]
     pub fn len(&self) -> usize {

components/layout/traversal.rs

@@ -24,12 +24,6 @@ pub struct RecalcStyleAndConstructFlows<'a> {
     context: LayoutContext<'a>,
 }
 
-impl<'a> RecalcStyleAndConstructFlows<'a> {
-    pub fn layout_context(&self) -> &LayoutContext<'a> {
-        &self.context
-    }
-}
-
 impl<'a> RecalcStyleAndConstructFlows<'a> {
     /// Creates a traversal context, taking ownership of the shared layout context.
     pub fn new(context: LayoutContext<'a>) -> Self {