Reapply expanding overloaded functions into separate functions.

tests/html/indexeddb_1_test.dart

 library IndexedDB1Test;
 import '../../pkg/unittest/lib/unittest.dart';
 import '../../pkg/unittest/lib/html_individual_config.dart';
 import 'dart:async';
 import 'dart:html' as html;
 import 'dart:indexed_db' as idb;
 
 const String STORE_NAME = 'TEST';
 const int VERSION = 1;
 
@@ skipping 34 matching lines @@
     var store = e.target.result.createObjectStore(storeName);
     expect(store, isNotNull);
   }
 
   var db;
   return html.window.indexedDB.deleteDatabase(dbName).then((_) {
       return html.window.indexedDB.open(dbName, version: version,
           onUpgradeNeeded: createObjectStore);
     }).then((result) {
       db = result;
-      var transaction = db.transaction([storeName], 'readwrite');
+      var transaction = db.transactionList([storeName], 'readwrite');
       transaction.objectStore(storeName).put(value, key);
       return transaction.completed;
     }).then((_) {
       var transaction = db.transaction(storeName, 'readonly');
       return transaction.objectStore(storeName).getObject(key);
     }).then((object) {
       db.close();
       expect(object, matcher);
     }).whenComplete(() {
       if (db != null) {
@@ skipping 13 matching lines @@
     expect(store, isNotNull);
   }
 
   idb.Database db;
   // Delete any existing DBs.
   return html.window.indexedDB.deleteDatabase(dbName).then((_) {
       return html.window.indexedDB.open(dbName, version: version,
         onUpgradeNeeded: createObjectStore);
     }).then((idb.Database result) {
       db = result;
-      idb.Transaction transaction = db.transaction([storeName], 'readwrite');
+      idb.Transaction transaction = db.transactionList([storeName], 'readwrite');
       transaction.objectStore(storeName).put(value, key);
 
       return transaction.completed;
     }).then((idb.Database result) {
       idb.Transaction transaction = db.transaction(storeName, 'readonly');
       return transaction.objectStore(storeName).getObject(key);
     }).then((object) {
       db.close();
       expect(object, matcher);
     }).whenComplete(() {
@@ skipping 49 matching lines @@
       test('upgrade', testUpgrade);
       group('dynamic', () {
         testTypes(testReadWrite);
       });
       group('typed', () {
         testTypes(testReadWriteTyped);
       });
     }
   });
 }