Revert "Enable running multitests in browsers"

dart/tools/testing/dart/test_suite.dart

 // Copyright (c) 2012, 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.
 
 /**
  * Classes and methods for enumerating and preparing tests.
  *
  * This library includes:
  *
  * - Creating tests by listing all the Dart files in certain directories,
@@ skipping 628 matching lines @@
     var isNegative = info.hasCompileError;
     if (info.hasRuntimeError && hasRuntime) {
       isNegative = true;
     }
 
     // Look up expectations in status files using a test name generated
     // from the test file's path.
     String testName;
 
     if (optionsFromFile['isMultitest']) {
+      // Multitests do not run on browsers.
+      if (TestUtils.isBrowserRuntime(configuration['runtime'])) return;
       // Multitests are in [build directory]/generated_tests/... .
       // The test name will be '[test filename (no extension)]/[multitest key].
       String name = filePath.filenameWithoutExtension;
       int middle = name.lastIndexOf('_');
       testName = '${name.substring(0, middle)}/${name.substring(middle + 1)}';
     } else {
       // The test name is the relative path from the test suite directory to
       // the test, with the .dart extension removed.
       assert(filePath.toNativePath().startsWith(
                     suiteDir.toNativePath()));
@@ skipping 1227 matching lines @@
    */
   static Path get dartTestExecutable {
     var path = '${TestUtils.dartDir()}/tools/testing/bin/'
         '${Platform.operatingSystem}/dart';
     if (Platform.operatingSystem == 'windows') {
       path = '$path.exe';
     }
     return new Path(path);
   }
 
-  /**
+  /** 
    * Gets extra vm options passed to the testing script.
    */
   static List<String> getExtraVmOptions(Map configuration) {
     var extraVmOptions = [];
     if (configuration['vm-options'] != null) {
       extraVmOptions = configuration['vm-options'].split(" ");
       extraVmOptions.removeWhere((s) => s.trim() == "");
     }
     return extraVmOptions;
   }
@@ skipping 56 matching lines @@
  * $pass tests are expected to pass
  * $failOk tests are expected to fail that we won't fix
  * $fail tests are expected to fail that we should fix
  * $crash tests are expected to crash that we should fix
  * $timeout tests are allowed to timeout
  * $compileErrorSkip tests are skipped on browsers due to compile-time error
 """;
     print(report);
    }
 }