Revert "Stop suppressing generation of bindings with Promise. Add some tests for DOM APIs that answ…

tests/html/storage_quota_test.dart

-library storage_quota_test;
-
-import 'package:unittest/unittest.dart';
-import 'package:unittest/html_config.dart';
-
-import 'dart:async';
-import 'dart:isolate';
-import 'dart:html';
-
-main() {
-  useHtmlConfiguration();
-
-  expectSaneStorageInfo(StorageInfo storageInfo) {
-     expect(storageInfo.usage, isNotNull);
-     expect(storageInfo.quota, isNotNull);
-     expect(storageInfo.usage >= 0, isTrue);
-     expect(storageInfo.quota >= storageInfo.usage, isNotNull);
-  };
-
-  test('storage quota - temporary', () {
-    Future f = window.navigator.storageQuota.queryInfo('temporary');
-    expect(f.then(expectSaneStorageInfo), completes);
-  });
-
-  test('storage quota - persistent', () {
-    Future f = window.navigator.storageQuota.queryInfo('persistent');
-    expect(f.then(expectSaneStorageInfo), completes);
-  });
-
-  test('storage quota - unknown', () {
-    // Throwing synchronously is bogus upstream behavior; should result in a
-    // smashed promise.
-    expect(() => window.navigator.storageQuota.queryInfo("foo"), throws);  /// missingenumcheck: ok
-    expect(() => window.navigator.storageQuota.queryInfo(3), throws);
-    expect(() => window.navigator.storageQuota.queryInfo(null), throws);
-  });
-}