Make List.from and Iterable.toList default to not growable.

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  * **Caution:** this specification is no longer actively maintained by the Web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 269 matching lines @@
   Iterable<Map> where(bool f(Map element)) =>
       IterableMixinWorkaround.where(this, f);
 
   Iterable expand(Iterable f(Map element)) =>
       IterableMixinWorkaround.expand(this, f);
 
   bool every(bool f(Map element)) => IterableMixinWorkaround.every(this, f);
 
   bool any(bool f(Map element)) => IterableMixinWorkaround.any(this, f);
 
-  List<Map> toList({ bool growable: false }) =>
+  List<Map> toList({ bool growable: true }) =>
       new List<Map>.from(this, growable: growable);
 
   Set<Map> toSet() => new Set<Map>.from(this);
 
   bool get isEmpty => this.length == 0;
 
   Iterable<Map> take(int n) => IterableMixinWorkaround.takeList(this, n);
 
   Iterable<Map> takeWhile(bool test(Map value)) {
     return IterableMixinWorkaround.takeWhile(this, test);
@@ skipping 164 matching lines @@
 @DomName('SQLTransactionSync')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Experimental
 class SqlTransactionSync native "*SQLTransactionSync" {
 
   @DomName('SQLTransactionSync.executeSql')
   @DocsEditable
   SqlResultSet executeSql(String sqlStatement, List arguments) native;
 }