Add support for setUpAll and tearDownAll.

lib/src/runner/browser/browser_manager.dart

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library test.runner.browser.browser_manager;
 
 import 'dart:async';
 import 'dart:convert';
 
 import 'package:async/async.dart';
 import 'package:http_parser/http_parser.dart';
 import 'package:pool/pool.dart';
 
 import '../../backend/group.dart';
 import '../../backend/metadata.dart';
+import '../../backend/test.dart';
 import '../../backend/test_platform.dart';
 import '../../util/cancelable_future.dart';
 import '../../util/multi_channel.dart';
 import '../../util/remote_exception.dart';
 import '../../util/stack_trace_mapper.dart';
 import '../../utils.dart';
 import '../application_exception.dart';
 import '../environment.dart';
 import '../load_exception.dart';
 import '../runner_suite.dart';
@@ skipping 226 matching lines @@
 
   /// Deserializes [group] into a concrete [Group] class.
   Group _deserializeGroup(MultiChannel suiteChannel,
       StackTraceMapper mapper, Map group) {
     var metadata = new Metadata.deserialize(group['metadata']);
     return new Group(group['name'], group['entries'].map((entry) {
       if (entry['type'] == 'group') {
         return _deserializeGroup(suiteChannel, mapper, entry);
       }
 
-      var testMetadata = new Metadata.deserialize(entry['metadata']);
-      var testChannel = suiteChannel.virtualChannel(entry['channel']);
-      return new IframeTest(entry['name'], testMetadata, testChannel,
-          mapper: mapper);
-    }), metadata: metadata);
+      return _deserializeTest(suiteChannel, mapper, entry);
+    }),
+        metadata: metadata,
+        setUpAll: _deserializeTest(suiteChannel, mapper, group['setUpAll']),
+        tearDownAll:
+            _deserializeTest(suiteChannel, mapper, group['tearDownAll']));
+  }
+
+  /// Deserializes [test] into a concrete [Test] class.
+  ///
+  /// Returns `null` if [test] is `null`.
+  Test _deserializeTest(MultiChannel suiteChannel, StackTraceMapper mapper,
+      Map test) {
+    if (test == null) return null;
+
+    var metadata = new Metadata.deserialize(test['metadata']);
+    var testChannel = suiteChannel.virtualChannel(test['channel']);
+    return new IframeTest(test['name'], metadata, testChannel,
+        mapper: mapper);
   }
 
   /// An implementation of [Environment.displayPause].
   CancelableFuture _displayPause() {
     if (_pauseCompleter != null) return _pauseCompleter.future;
 
     _pauseCompleter = new CancelableCompleter(() {
       _channel.sink.add({"command": "resume"});
       _pauseCompleter = null;
     });
@@ skipping 30 matching lines @@
 
   final Uri observatoryUrl;
 
   final Uri remoteDebuggerUrl;
 
   _BrowserEnvironment(this._manager, this.observatoryUrl,
       this.remoteDebuggerUrl);
 
   CancelableFuture displayPause() => _manager._displayPause();
 }