Add List.insert.

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 80c44189e0e5c227e61326effcbb5e166675e878..0897782487018b6488e117819da5757c9762cedd 100644
--- a/sdk/lib/web_sql/dartium/web_sql_dartium.dart
+++ b/sdk/lib/web_sql/dartium/web_sql_dartium.dart
@@ -405,6 +405,10 @@ class SqlResultSetRowList extends NativeFieldWrapperClass1 implements List<Map>
   Map max([int compare(Map a, Map b)]) =>
       IterableMixinWorkaround.max(this, compare);
 
+  void insert(int index, Map element) {
+    throw new UnsupportedError("Cannot add to immutable List.");
+  }
+
   Map removeAt(int pos) {
     throw new UnsupportedError("Cannot remove from immutable List.");
   }