1 files changed, 10 insertions, 0 deletions
diff --git a/dom/base/nsDocument.cpp b/dom/base/nsDocument.cpp
index d69fff863..459ad6bdd 100644
--- a/dom/base/nsDocument.cpp
+++ b/dom/base/nsDocument.cpp
@@ -1332,6 +1332,10 @@ nsIDocument::nsIDocument()
 {
   SetIsInDocument();
 
+  // Set this when document is created and value stays the same for the lifetime
+  // of the document.
+  mIsWebComponentsEnabled = nsContentUtils::IsWebComponentsEnabled();
+
   PR_INIT_CLIST(&mDOMMediaQueryLists);
 }
 
@@ -5686,6 +5690,12 @@ nsDocument::IsWebComponentsEnabled(JSContext* aCx, JSObject* aObject)
 }
 
 bool
+nsDocument::IsWebComponentsEnabled(const nsINode* aNode)
+{
+  return aNode->OwnerDoc()->IsWebComponentsEnabled();
+}
+
+bool
 nsDocument::IsWebComponentsEnabled(dom::NodeInfo* aNodeInfo)
 {
   if (nsContentUtils::IsWebComponentsEnabled()) {