Rename ExceptionCode constants to use the names in the spec (2/3)

Source/core/xml/XMLSerializer.cpp

Index: Source/core/xml/XMLSerializer.cpp
diff --git a/Source/core/xml/XMLSerializer.cpp b/Source/core/xml/XMLSerializer.cpp
index 9e1edd2038effeb72a1cb02c843dfff220f1ec55..ad6305de66b63ca550c4e5e02a5d1260360035ef 100644
--- a/Source/core/xml/XMLSerializer.cpp
+++ b/Source/core/xml/XMLSerializer.cpp
@@ -38,7 +38,7 @@ String XMLSerializer::serializeToString(Node* node, ExceptionCode& ec)
         // with it.  It should be the only type of node where this is possible.
         ASSERT(node->nodeType() == Node::DOCUMENT_TYPE_NODE);
 
-        ec = INVALID_ACCESS_ERR;
+        ec = InvalidAccessError;
         return String();
     }