aChange all asyncTest/callbackDone style tests to use the new expectAsync/

tests/html/indexeddb_2_test.dart

 #library('IndexedDB1Test');
 #import('../../lib/unittest/unittest.dart');
 #import('../../lib/unittest/html_config.dart');
 #import('dart:html');
 #import('dart:coreimpl');
 #import('utils.dart');
 
 // Write and re-read Maps: simple Maps; Maps with DAGs; Maps with cycles.
 
 final String DB_NAME = 'Test';
 final String STORE_NAME = 'TEST';
 final String VERSION = '1';
 
 testReadWrite(key, value, check,
               [dbName = DB_NAME,
                storeName = STORE_NAME,
                version = VERSION]) => () {
   var db;
 
   fail(e) {
-    callbackDone();
-    Expect.fail('IndexedDB failure');
+    guardAsync(() {
+      Expect.fail('IndexedDB failure');
+    });
   }
 
   createObjectStore() {
     var store = db.createObjectStore(storeName);
     Expect.isNotNull(store);
   }
 
-  step2() {
+  step2(e) {
     var transaction = db.transaction(storeName, IDBTransaction.READ_ONLY);
     var request = transaction.objectStore(storeName).getObject(key);
-    request.on.success.add((e) {
+    request.on.success.add(expectAsync1((e) {
         var object = e.target.result;
         check(value, object);
-        callbackDone();
-      });
+      })
+    );
     request.on.error.add(fail);
   }
 
   step1() {
     var transaction = db.transaction([storeName], IDBTransaction.READ_WRITE);
     var request = transaction.objectStore(storeName).put(value, key);
-    request.on.success.add((e) { step2(); });
+    request.on.success.add(expectAsync1(step2));
     request.on.error.add(fail);
   }
 
   initDb(e) {
     db = e.target.result;
     if (version != db.version) {
       // TODO.  Some browsers do this the w3 way - passing the version to the
       // open call and listening to onversionchange.  Can we feature-detect the
       // difference and make it work?
       var request = db.setVersion(version);
-      request.on.success.add((e) { createObjectStore(); step1(); });
+      request.on.success.add(
+        expectAsync1((e) {
+          createObjectStore();
+          step1();
+        })
+      );
       request.on.error.add(fail);
     } else {
       step1();
     }
   }
 
   var request = window.webkitIndexedDB.open(dbName);
   Expect.isNotNull(request);
-  request.on.success.add(initDb);
+  request.on.success.add(expectAsync1(initDb));
   request.on.error.add(fail);
 };
 
 
 tests_dynamic() {
   var obj1 = {'a': 100, 'b': 's'};
   var obj2 = {'x': obj1, 'y': obj1};  // DAG.
 
   var obj3 = {};
   obj3['a'] = 100;
   obj3['b'] = obj3;  // Cycle.
 
   var obj4 = new SplayTreeMap<String, Dynamic>();  // Different implementation.
   obj4['a'] = 100;
   obj4['b'] = 's';
 
-  asyncTest('test_simple', 1, testReadWrite(123, obj1, verifyGraph));
-  asyncTest('test_DAG', 1, testReadWrite(123, obj2, verifyGraph));
-  asyncTest('test_cycle', 1, testReadWrite(123, obj3, verifyGraph));
-  asyncTest('test_simple_splay', 1, testReadWrite(123, obj4, verifyGraph));
+  test('test_simple', testReadWrite(123, obj1, verifyGraph));
+  test('test_DAG', testReadWrite(123, obj2, verifyGraph));
+  test('test_cycle', testReadWrite(123, obj3, verifyGraph));
+  test('test_simple_splay', testReadWrite(123, obj4, verifyGraph));
 }
 
 main() {
   useHtmlConfiguration();
 
   tests_dynamic();
 }