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Backed out changeset dbd300f4d75b for build bustage. r=backout on a CLOSED TREE

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Backs out https://github.com/servo/servo/pull/19108
This commit is contained in:
Gecko Backout 2017-11-03 23:56:42 +00:00 • committed by moz-servo-sync
parent a0cd781bdc
commit 8f8fd517ed
8 changed files with 60 additions and 371 deletions
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17
components/style/dom.rs
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@ -122,7 +122,6 @@ where
{
type Item = N;
#[inline]
fn next(&mut self) -> Option<N> {
let prev = match self.previous.take() {
None => return None,
@ -147,18 +146,6 @@ pub trait TDocument : Sized + Copy + Clone {
/// Returns the quirks mode of this document.
fn quirks_mode(&self) -> QuirksMode;
/// Get a list of elements with a given ID in this document, sorted by
/// document position.
///
/// Can return an error to signal that this list is not available, or also
/// return an empty slice.
fn elements_with_id(
&self,
_id: &Atom,
) -> Result<&[<Self::ConcreteNode as TNode>::ConcreteElement], ()> {
Err(())
}
}
/// The `TNode` trait. This is the main generic trait over which the style
@ -193,9 +180,6 @@ pub trait TNode : Sized + Copy + Clone + Debug + NodeInfo + PartialEq {
DomChildren(self.first_child())
}
/// Returns whether the node is attached to a document.
fn is_in_document(&self) -> bool;
/// Iterate over the DOM children of a node, in preorder.
fn dom_descendants(&self) -> DomDescendants<Self> {
DomDescendants {
@ -206,7 +190,6 @@ pub trait TNode : Sized + Copy + Clone + Debug + NodeInfo + PartialEq {
/// Returns the next children in pre-order, optionally scoped to a subtree
/// root.
#[inline]
fn next_in_preorder(&self, scoped_to: Option<Self>) -> Option<Self> {
if let Some(c) = self.first_child() {
return Some(c);