3 files changed, 4 insertions, 4 deletions
diff --git a/layout/base/RestyleManager.cpp b/layout/base/RestyleManager.cpp
index 6520fe1f6..5c599e1ef 100644
--- a/layout/base/RestyleManager.cpp
+++ b/layout/base/RestyleManager.cpp
@@ -3489,7 +3489,7 @@ ElementRestyler::RestyleUndisplayedNodes(nsRestyleHint      aChildRestyleHint,
     // not have a frame and would not otherwise be pushed as an ancestor.
     nsIContent* parent = undisplayed->mContent->GetParent();
     TreeMatchContext::AutoAncestorPusher insertionPointPusher(mTreeMatchContext);
-    if (parent && nsContentUtils::IsContentInsertionPoint(parent)) {
+    if (parent && parent->IsActiveChildrenElement()) {
       insertionPointPusher.PushAncestorAndStyleScope(parent);
     }
 
@@ -3715,7 +3715,7 @@ ElementRestyler::RestyleContentChildren(nsIFrame* aParent,
         // nsPageFrame that does not have a content.
         nsIContent* parent = child->GetContent() ? child->GetContent()->GetParent() : nullptr;
         TreeMatchContext::AutoAncestorPusher insertionPointPusher(mTreeMatchContext);
-        if (parent && nsContentUtils::IsContentInsertionPoint(parent)) {
+        if (parent && parent->IsActiveChildrenElement()) {
           insertionPointPusher.PushAncestorAndStyleScope(parent);
         }
 
diff --git a/layout/base/nsCSSFrameConstructor.cpp b/layout/base/nsCSSFrameConstructor.cpp
index c7312dafb..fc458b5eb 100644
--- a/layout/base/nsCSSFrameConstructor.cpp
+++ b/layout/base/nsCSSFrameConstructor.cpp
@@ -3821,7 +3821,7 @@ nsCSSFrameConstructor::ConstructFrameFromItemInternal(FrameConstructionItem& aIt
   // AutoDisplayContentsAncestorPusher above.)
   TreeMatchContext::AutoAncestorPusher
     insertionPointPusher(aState.mTreeMatchContext);
-  if (adcp.IsEmpty() && parent && nsContentUtils::IsContentInsertionPoint(parent)) {
+  if (adcp.IsEmpty() && parent && parent->IsActiveChildrenElement()) {
     if (aState.mTreeMatchContext.mAncestorFilter.HasFilter()) {
       insertionPointPusher.PushAncestorAndStyleScope(parent);
     } else {
diff --git a/layout/base/nsFrameManager.cpp b/layout/base/nsFrameManager.cpp
index ce5c60bbc..be8cd7147 100644
--- a/layout/base/nsFrameManager.cpp
+++ b/layout/base/nsFrameManager.cpp
@@ -611,7 +611,7 @@ nsFrameManagerBase::UndisplayedMap::GetApplicableParent(nsIContent* aParent)
   // be a <xbl:children> element) but the parent in the frame tree would be the
   // insertion parent (parent of the <xbl:children> element). Here the children
   // elements are normalized to the insertion parent to correct for the mismatch.
-  if (aParent && nsContentUtils::IsContentInsertionPoint(aParent)) {
+  if (aParent && aParent->IsActiveChildrenElement()) {
     return aParent->GetParent();
   }