style: Remove unused selectors methods.

Differential Revision: https://phabricator.services.mozilla.com/D2767
servo · Aug 7, 2018 · bbcd7e4 · bbcd7e4
1 parent 489e224
commit bbcd7e4
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Showing 3 changed files with 0 additions and 40 deletions.
diff --git a/components/selectors/tree.rs b/components/selectors/tree.rs
@@ -45,12 +45,6 @@ pub trait Element: Sized + Clone + Debug {
         self.parent_element()
     }
 
-    /// Skips non-element nodes
-    fn first_child_element(&self) -> Option<Self>;
-
-    /// Skips non-element nodes
-    fn last_child_element(&self) -> Option<Self>;
-
     /// Skips non-element nodes
     fn prev_sibling_element(&self) -> Option<Self>;
 

diff --git a/components/style/gecko/wrapper.rs b/components/style/gecko/wrapper.rs
@@ -1957,30 +1957,6 @@ impl<'le> ::selectors::Element for GeckoElement<'le> {
         unsafe { Some(GeckoElement(&slot.as_ref()?._base._base._base._base)) }
     }
 
-    #[inline]
-    fn first_child_element(&self) -> Option<Self> {
-        let mut child = self.as_node().first_child();
-        while let Some(child_node) = child {
-            if let Some(el) = child_node.as_element() {
-                return Some(el);
-            }
-            child = child_node.next_sibling();
-        }
-        None
-    }
-
-    #[inline]
-    fn last_child_element(&self) -> Option<Self> {
-        let mut child = self.as_node().last_child();
-        while let Some(child_node) = child {
-            if let Some(el) = child_node.as_element() {
-                return Some(el);
-            }
-            child = child_node.prev_sibling();
-        }
-        None
-    }
-
     #[inline]
     fn prev_sibling_element(&self) -> Option<Self> {
         let mut sibling = self.as_node().prev_sibling();

diff --git a/components/style/invalidation/element/element_wrapper.rs b/components/style/invalidation/element/element_wrapper.rs
@@ -283,16 +283,6 @@ where
         Some(Self::new(host, self.snapshot_map))
     }
 
-    fn first_child_element(&self) -> Option<Self> {
-        let child = self.element.first_child_element()?;
-        Some(Self::new(child, self.snapshot_map))
-    }
-
-    fn last_child_element(&self) -> Option<Self> {
-        let child = self.element.last_child_element()?;
-        Some(Self::new(child, self.snapshot_map))
-    }
-
     fn prev_sibling_element(&self) -> Option<Self> {
         let sibling = self.element.prev_sibling_element()?;
         Some(Self::new(sibling, self.snapshot_map))