diff --git a/mozilla/content/xml/document/src/nsLoadSaveContentSink.cpp b/mozilla/content/xml/document/src/nsLoadSaveContentSink.cpp
index 8616745348e..b4d2dfdb05a 100644
--- a/mozilla/content/xml/document/src/nsLoadSaveContentSink.cpp
+++ b/mozilla/content/xml/document/src/nsLoadSaveContentSink.cpp
@@ -191,6 +191,13 @@ nsLoadSaveContentSink::HandleProcessingInstruction(const PRUnichar *aTarget,
   return mExpatSink->HandleProcessingInstruction(aTarget, aData);
 }
 
+NS_IMETHODIMP
+nsLoadSaveContentSink::HandleXMLDeclaration(const PRUnichar* aData,
+                                            PRUint32 aLength)
+{
+  return mExpatSink->HandleXMLDeclaration(aData, aLength);
+}
+
 NS_IMETHODIMP
 nsLoadSaveContentSink::ReportError(const PRUnichar* aErrorText, 
                                    const PRUnichar* aSourceText)