script: Fix Servo relying on descendants being visited when there's a reframe.

1 files changed, 14 insertions, 1 deletions

diff --git a/components/script/dom/node.rs b/components/script/dom/node.rs
index ff69e2ae2b3..b0f85b1ccfa 100644
--- a/components/script/dom/node.rs
+++ b/components/script/dom/node.rs
@@ -483,6 +483,19 @@ impl Node {
         self.flags.set(flags);
     }
 
+    // FIXME(emilio): This and the function below should move to Element.
+    pub fn note_dirty_descendants(&self) {
+        debug_assert!(self.is_in_doc());
+
+        for ancestor in self.inclusive_ancestors() {
+            if ancestor.get_flag(NodeFlags::HAS_DIRTY_DESCENDANTS) {
+                return;
+            }
+
+            ancestor.set_flag(NodeFlags::HAS_DIRTY_DESCENDANTS, true);
+        }
+    }
+
     pub fn has_dirty_descendants(&self) -> bool {
         self.get_flag(NodeFlags::HAS_DIRTY_DESCENDANTS)
     }
@@ -2499,7 +2512,7 @@ impl VirtualMethods for Node {
         if let Some(list) = self.child_list.get() {
             list.as_children_list().children_changed(mutation);
         }
-        self.owner_doc().content_and_heritage_changed(self, NodeDamage::OtherNodeDamage);
+        self.owner_doc().content_and_heritage_changed(self);
     }
 
     // This handles the ranges mentioned in steps 2-3 when removing a node.