1 files changed, 7 insertions, 3 deletions
diff --git a/WebCore/dom/QualifiedName.h b/WebCore/dom/QualifiedName.h
index 939927b..3b9f5c4 100644
--- a/WebCore/dom/QualifiedName.h
+++ b/WebCore/dom/QualifiedName.h
@@ -41,9 +41,10 @@ public:
             return adoptRef(new QualifiedNameImpl(prefix, localName, namespaceURI));
         }
 
-        AtomicString m_prefix;
-        AtomicString m_localName;
-        AtomicString m_namespace;
+        const AtomicString m_prefix;
+        const AtomicString m_localName;
+        const AtomicString m_namespace;
+        mutable AtomicString m_localNameUpper;
 
     private:
         QualifiedNameImpl(const AtomicString& prefix, const AtomicString& localName, const AtomicString& namespaceURI)
@@ -76,6 +77,9 @@ public:
     const AtomicString& localName() const { return m_impl->m_localName; }
     const AtomicString& namespaceURI() const { return m_impl->m_namespace; }
 
+    // Uppercased localName, cached for efficiency
+    const AtomicString& localNameUpper() const;
+
     String toString() const;
 
     QualifiedNameImpl* impl() const { return m_impl; }