Remove Element#attributes.

sky/engine/core/dom/TreeScopeAdopter.cpp

Index: sky/engine/core/dom/TreeScopeAdopter.cpp
diff --git a/sky/engine/core/dom/TreeScopeAdopter.cpp b/sky/engine/core/dom/TreeScopeAdopter.cpp
index b38af9ff66ce8d53e5a53cef2112cad54c714d74..fb63db578e76a353629bd17523a9bc70b2575704 100644
--- a/sky/engine/core/dom/TreeScopeAdopter.cpp
+++ b/sky/engine/core/dom/TreeScopeAdopter.cpp
@@ -54,12 +54,6 @@ void TreeScopeAdopter::moveTreeToNewScope(Node& root) const
         if (!node->isElementNode())
             continue;
 
-        if (node->hasSyntheticAttrChildNodes()) {
-            Vector<RefPtr<Attr> >& attrs = *toElement(node)->attrNodeList();
-            for (unsigned i = 0; i < attrs.size(); ++i)
-                moveTreeToNewScope(*attrs[i]);
-        }
-
         for (ShadowRoot* shadow = node->youngestShadowRoot(); shadow; shadow = shadow->olderShadowRoot()) {
             shadow->setParentTreeScope(newScope());
             if (willMoveToNewDocument)
@@ -78,12 +72,6 @@ void TreeScopeAdopter::moveTreeToNewDocument(Node& root, Document& oldDocument,
     for (Node* node = &root; node; node = NodeTraversal::next(*node, &root)) {
         moveNodeToNewDocument(*node, oldDocument, newDocument);
 
-        if (node->hasSyntheticAttrChildNodes()) {
-            Vector<RefPtr<Attr> >& attrs = *toElement(node)->attrNodeList();
-            for (unsigned i = 0; i < attrs.size(); ++i)
-                moveTreeToNewDocument(*attrs[i], oldDocument, newDocument);
-        }
-
         for (ShadowRoot* shadow = node->youngestShadowRoot(); shadow; shadow = shadow->olderShadowRoot())
             moveTreeToNewDocument(*shadow, oldDocument, newDocument);
     }