--- a/layout/base/RestyleManager.cpp
+++ b/layout/base/RestyleManager.cpp
@@ -2369,39 +2369,39 @@ ElementRestyler::RestyleChildren(nsResty
   // mFrame->StyleContext(), which is out of date if mHintsHandled has a
   // ReconstructFrame hint.  Using an out of date style context could
   // trigger assertions about mismatched rule trees.
   if (!(mHintsHandled & nsChangeHint_ReconstructFrame) &&
       aChildRestyleHint) {
     RestyleBeforePseudo();
   }
 
-  // Check whether we might need to create a new ::after frame.
-  // See comments above regarding :before.
-  if (!(mHintsHandled & nsChangeHint_ReconstructFrame) &&
-      aChildRestyleHint) {
-    RestyleAfterPseudo();
-  }
-
   // There is no need to waste time crawling into a frame's children
   // on a frame change.  The act of reconstructing frames will force
   // new style contexts to be resolved on all of this frame's
   // descendants anyway, so we want to avoid wasting time processing
   // style contexts that we're just going to throw away anyway. - dwh
   // It's also important to check mHintsHandled since reresolving the
   // kids would use mFrame->StyleContext(), which is out of date if
   // mHintsHandled has a ReconstructFrame hint; doing this could trigger
   // assertions about mismatched rule trees.
   if (!(mHintsHandled & nsChangeHint_ReconstructFrame)) {
     InitializeAccessibilityNotifications();
 
     RestyleContentChildren(aChildRestyleHint);
 
     SendAccessibilityNotifications();
   }
+
+  // Check whether we might need to create a new ::after frame.
+  // See comments above regarding :before.
+  if (!(mHintsHandled & nsChangeHint_ReconstructFrame) &&
+      aChildRestyleHint) {
+    RestyleAfterPseudo();
+  }
 }
 
 void
 ElementRestyler::RestyleUndisplayedChildren(nsRestyleHint aChildRestyleHint)
 {
   // When the root element is display:none, we still construct *some*
   // frames that have the root element as their mContent, down to the
   // DocElementContainingBlock.