Uninline HTMLCollection / LiveNodeList's item() and length() member functions

Source/core/dom/LiveNodeList.cpp

Index: Source/core/dom/LiveNodeList.cpp
diff --git a/Source/core/dom/LiveNodeList.cpp b/Source/core/dom/LiveNodeList.cpp
index dba44d312b404495cf22ac5c65049d974be9135e..b437e68908ef5f953b87c4a67035faba2adf0f00 100644
--- a/Source/core/dom/LiveNodeList.cpp
+++ b/Source/core/dom/LiveNodeList.cpp
@@ -40,6 +40,16 @@ void LiveNodeList::invalidateCache(Document*) const
     m_collectionIndexCache.invalidate();
 }
 
+unsigned LiveNodeList::length() const
+{
+    return m_collectionIndexCache.nodeCount(*this);
+}
+
+Element* LiveNodeList::item(unsigned offset) const
+{
+    return m_collectionIndexCache.nodeAt(*this, offset);
+}
+
 Element* LiveNodeList::traverseToFirstElement() const
 {
     return firstMatchingElement(*this);