Change core lib, dart2js, and more for new optional parameters syntax

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 206 matching lines @@
   TestExpectations testExpectations;
   List<TestInformation> cachedTests;
   final Path dartDir;
   Predicate<String> isTestFilePredicate;
   bool _listRecursive;
 
   StandardTestSuite(this.configuration,
                     this.suiteName,
                     Path suiteDirectory,
                     this.statusFilePaths,
-                    [this.isTestFilePredicate,
-                    bool recursive = false])
+                    {this.isTestFilePredicate,
+                    bool recursive: false})
   : dartDir = TestUtils.dartDir(), _listRecursive = recursive,
     suiteDir = TestUtils.dartDir().join(suiteDirectory);
 
   /**
    * Creates a test suite whose file organization matches an expected structure.
    * To use this, your suite should look like:
    *
    *     dart/
    *       path/
    *         to/
@@ skipping 17 matching lines @@
    * particular, if you add 'path/to/mytestsuite' to [TEST_SUITE_DIRECTORIES]
    * in test.dart, this will all be set up for you.
    */
   factory StandardTestSuite.forDirectory(
       Map configuration, Path directory) {
     final name = directory.filename;
 
     return new StandardTestSuite(configuration,
         name, directory,
         ['$directory/$name.status', '$directory/${name}_dart2js.status'],
-        (filename) => filename.endsWith('_test.dart'),
+        isTestFilePredicate: (filename) => filename.endsWith('_test.dart'),
         recursive: true);
   }
 
   /**
    * The default implementation assumes a file is a test if
    * it ends in "Test.dart".
    */
   bool isTestFile(String filename) {
     // Use the specified predicate, if provided.
     if (isTestFilePredicate != null) return isTestFilePredicate(filename);
@@ skipping 1190 matching lines @@
  * $noCrash tests are expected to be flaky but not crash
  * $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
 """;
     print(report);
    }
 }