Backed out changeset cffde1d0ebb4 (bug 1364361)

dom/base/ChildIterator.cpp

@@ -370,18 +370,7 @@ AllChildrenIterator::Seek(nsIContent* aChildToFind)
 void
 AllChildrenIterator::AppendNativeAnonymousChildren()
 {
-  if (nsIFrame* primaryFrame = mOriginalContent->GetPrimaryFrame()) {
+  AppendNativeAnonymousChildrenFromFrame(mOriginalContent->GetPrimaryFrame());
-    // NAC created by the element's primary frame.
-    AppendNativeAnonymousChildrenFromFrame(primaryFrame);
-
-    // NAC created by any other non-primary frames for the element.
-    AutoTArray<nsIFrame::OwnedAnonBox,8> ownedAnonBoxes;
-    primaryFrame->AppendOwnedAnonBoxes(ownedAnonBoxes);
-    for (nsIFrame::OwnedAnonBox& box : ownedAnonBoxes) {
-      MOZ_ASSERT(box.mAnonBoxFrame->GetContent() == mOriginalContent);
-      AppendNativeAnonymousChildrenFromFrame(box.mAnonBoxFrame);
-    }
-  }
 
   // The root scroll frame is not the primary frame of the root element.
   // Detect and handle this case.