Fix safari browser to use Future.value

tools/test.dart

 #!/usr/bin/env dart
 // Copyright (c) 2013, 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.
 
 /**
  * This file is the entrypoint of the dart test suite.  This suite is used
  * to test:
  *
  *     1. the dart vm
@@ skipping 220 matching lines @@
       eventListener.add(new StatusFileUpdatePrinter());
     }
     eventListener.add(new SummaryPrinter());
     eventListener.add(new FlakyLogWriter());
     if (printFailures) {
       // The buildbot has it's own failure summary since it needs to wrap it
       // into '@@@'-annotated sections.
       var printFailureSummary = progressIndicator != 'buildbot';
       eventListener.add(new TestFailurePrinter(printFailureSummary, formatter));
     }
-    eventListener.add(new ProgressIndicator.fromName(progressIndicator,
-                                                     startTime,
-                                                     formatter));
+    eventListener.add(progressIndicatorFromName(progressIndicator,
+                                                startTime,
+                                                formatter));
     if (printTiming) {
       eventListener.add(new TimingPrinter(startTime));
     }
     eventListener.add(new SkippedCompilationsPrinter());
     eventListener.add(new LeftOverTempDirPrinter());
   }
   eventListener.add(new ExitCodeSetter());
 
   void startProcessQueue() {
     // Start process queue.
@@ skipping 41 matching lines @@
     getTempDir().list().listen((directoryEntry) {
       if (directoryEntry is Directory) {
         if (regExp.hasMatch(new Path(directoryEntry.path).filename)) {
           try {
             directoryEntry.deleteSync(recursive: true);
           } catch (error) {
             DebugLogger.error(error);
           }
         }
       }
-    }, onDone: completer.complete());
+    }, onDone: completer.complete);
   } else {
     completer.complete();
   }
   return completer.future;
 }
 
 void main() {
   deleteTemporaryDartDirectories().then((_) {
     var optionsParser = new TestOptionsParser();
     var configurations = optionsParser.parse(new Options().arguments);
     if (configurations != null && configurations.length > 0) {
       testConfigurations(configurations);
     }
   });
 }