1 files changed, 54 insertions, 0 deletions
diff --git a/chromium/third_party/WebKit/Source/core/dom/LiveNodeListBase.cpp b/chromium/third_party/WebKit/Source/core/dom/LiveNodeListBase.cpp
new file mode 100644
index 00000000000..bfcea21151d
--- /dev/null
+++ b/chromium/third_party/WebKit/Source/core/dom/LiveNodeListBase.cpp
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
+ *           (C) 1999 Antti Koivisto (koivisto@kde.org)
+ *           (C) 2001 Dirk Mueller (mueller@kde.org)
+ * Copyright (C) 2004, 2006, 2007, 2008, 2010 Apple Inc. All rights reserved.
+ * Copyright (C) 2014 Samsung Electronics. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include "config.h"
+#include "core/dom/LiveNodeListBase.h"
+
+#include "core/dom/LiveNodeList.h"
+#include "core/html/HTMLCollection.h"
+
+namespace WebCore {
+
+void LiveNodeListBase::invalidateCacheForAttribute(const QualifiedName* attrName) const
+{
+    if (isLiveNodeListType(type()))
+        toLiveNodeList(this)->invalidateCacheForAttribute(attrName);
+    else
+        toHTMLCollection(this)->invalidateCacheForAttribute(attrName);
+}
+
+ContainerNode& LiveNodeListBase::rootNode() const
+{
+    if (isRootedAtDocument() && m_ownerNode->inDocument())
+        return m_ownerNode->document();
+    return *m_ownerNode;
+}
+
+void LiveNodeListBase::didMoveToDocument(Document& oldDocument, Document& newDocument)
+{
+    invalidateCache(&oldDocument);
+    oldDocument.unregisterNodeList(this);
+    newDocument.registerNodeList(this);
+}
+
+} // namespace WebCore