Added new version of reduce.

sdk/lib/web_sql/dart2js/web_sql_dart2js.dart

 /**
  * An API for storing data in the browser that can be queried with SQL.
  *
  * **Caution:** this specification is no longer actively maintained by the Web
  * Applications Working Group and may be removed at any time.
  * See [the W3C Web SQL Database specification](http://www.w3.org/TR/webdatabase/)
  * for more information.
  *
  * The [dart:indexed_db] APIs is a recommended alternatives.
  */
@@ skipping 205 matching lines @@
 
   // From Iterable<Map>:
 
   Iterator<Map> get iterator {
     // Note: NodeLists are not fixed size. And most probably length shouldn't
     // be cached in both iterator _and_ forEach method. For now caching it
     // for consistency.
     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);
   }
 
   bool contains(Map element) => IterableMixinWorkaround.contains(this, element);
 
   void forEach(void f(Map element)) => IterableMixinWorkaround.forEach(this, f);
 
   String join([String separator = ""]) =>
       IterableMixinWorkaround.joinList(this, separator);
 
@@ skipping 89 matching lines @@
     if (this.length > 0) return this[this.length - 1];
     throw new StateError("No elements");
   }
 
   Map get single {
     if (length == 1) return this[0];
     if (length == 0) throw new StateError("No elements");
     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.");
   }
 
   Map removeAt(int pos) {
     throw new UnsupportedError("Cannot remove from immutable List.");
   }
 
   Map removeLast() {
     throw new UnsupportedError("Cannot remove from immutable List.");
@@ skipping 96 matching lines @@
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SQLTransactionSync')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Experimental
 abstract class _SQLTransactionSync native "*SQLTransactionSync" {
 }