Added new version of reduce.

sdk/lib/web_sql/dart2js/web_sql_dart2js.dart

Index: sdk/lib/web_sql/dart2js/web_sql_dart2js.dart
diff --git a/sdk/lib/web_sql/dart2js/web_sql_dart2js.dart b/sdk/lib/web_sql/dart2js/web_sql_dart2js.dart
index 2c5378f96881537b5024e81c93c1d00de05ce8bd..ef559ed355482fd06c3fcfd0e39ad6f64b70311e 100644
--- a/sdk/lib/web_sql/dart2js/web_sql_dart2js.dart
+++ b/sdk/lib/web_sql/dart2js/web_sql_dart2js.dart
@@ -223,11 +223,12 @@ class SqlResultSetRowList implements JavaScriptIndexingBehavior, List<Map> nativ
     return new FixedSizeListIterator<Map>(this);
   }
 
-  dynamic reduce(dynamic initialValue, dynamic combine(dynamic, Map)) {
-    return IterableMixinWorkaround.reduce(this, initialValue, combine);
+  Map reduce(Map combine(Map value, Map element)) {
+    return IterableMixinWorkaround.reduce(this, combine);
   }
 
-  dynamic fold(dynamic initialValue, dynamic combine(dynamic, Map)) {
+  dynamic fold(dynamic initialValue,
+               dynamic combine(dynamic previousValue, Map element)) {
     return IterableMixinWorkaround.fold(this, initialValue, combine);
   }
 
@@ -337,12 +338,6 @@ class SqlResultSetRowList implements JavaScriptIndexingBehavior, List<Map> nativ
     throw new StateError("More than one element");
   }
 
-  Map min([int compare(Map a, Map b)]) =>
-      IterableMixinWorkaround.min(this, compare);
-
-  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.");
   }