Remove addLast from List.

sdk/lib/web_sql/dartium/web_sql_dartium.dart

Index: sdk/lib/web_sql/dartium/web_sql_dartium.dart
diff --git a/sdk/lib/web_sql/dartium/web_sql_dartium.dart b/sdk/lib/web_sql/dartium/web_sql_dartium.dart
index e984c16f07107336396c3af84ca08c54fbf47e6d..994d25dac8546a2175320d6be89eac97268638af 100644
--- a/sdk/lib/web_sql/dartium/web_sql_dartium.dart
+++ b/sdk/lib/web_sql/dartium/web_sql_dartium.dart
@@ -350,10 +350,6 @@ class SqlResultSetRowList extends NativeFieldWrapperClass1 implements List<Map>
     throw new UnsupportedError("Cannot add to immutable List.");
   }
 
-  void addLast(Map value) {
-    throw new UnsupportedError("Cannot add to immutable List.");
-  }
-
   void addAll(Iterable<Map> iterable) {
     throw new UnsupportedError("Cannot add to immutable List.");
   }