Move Document code out of Node.cpp

Source/core/dom/Document.cpp

Index: Source/core/dom/Document.cpp
diff --git a/Source/core/dom/Document.cpp b/Source/core/dom/Document.cpp
index adc9ddbfad6e22b4e84c40189b27cca8ad6b7c3c..4379ec77dd7f70eab1993fa18392e0a4715f8ef7 100644
--- a/Source/core/dom/Document.cpp
+++ b/Source/core/dom/Document.cpp
@@ -5455,4 +5455,38 @@ void Document::defaultEventHandler(Event* event)
     Node::defaultEventHandler(event);
 }
 
+template<unsigned type>
+bool shouldInvalidateNodeListCachesForAttr(const unsigned nodeListCounts[], const QualifiedName& attrName)
+{
+    if (nodeListCounts[type] && LiveNodeListBase::shouldInvalidateTypeOnAttributeChange(static_cast<NodeListInvalidationType>(type), attrName))
+        return true;
+    return shouldInvalidateNodeListCachesForAttr<type + 1>(nodeListCounts, attrName);
+}
+
+template<>
+bool shouldInvalidateNodeListCachesForAttr<numNodeListInvalidationTypes>(const unsigned[], const QualifiedName&)
+{
+    return false;
+}
+
+bool Document::shouldInvalidateNodeListCaches(const QualifiedName* attrName) const
+{
+    if (attrName)
+        return shouldInvalidateNodeListCachesForAttr<DoNotInvalidateOnAttributeChanges + 1>(m_nodeListCounts, *attrName);
+
+    for (int type = 0; type < numNodeListInvalidationTypes; type++) {
+        if (m_nodeListCounts[type])
+            return true;
+    }
+
+    return false;
+}
+
+void Document::invalidateNodeListCaches(const QualifiedName* attrName)
+{
+    HashSet<LiveNodeListBase*>::iterator end = m_listsInvalidatedAtDocument.end();
+    for (HashSet<LiveNodeListBase*>::iterator it = m_listsInvalidatedAtDocument.begin(); it != end; ++it)
+        (*it)->invalidateCache(attrName);
+}
+
 } // namespace WebCore