Big merge from experimental to bleeding edge.

tests/standalone/io/http_connection_header_test.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.
 //
 
 import "dart:isolate";
 import "dart:io";
 
 void setConnectionHeaders(HttpHeaders headers) {
   headers.add(HttpHeaders.CONNECTION, "my-connection-header1");
   headers.add("My-Connection-Header1", "some-value1");
   headers.add(HttpHeaders.CONNECTION, "my-connection-header2");
   headers.add("My-Connection-Header2", "some-value2");
 }
 
 void checkExpectedConnectionHeaders(HttpHeaders headers,
                                     bool persistentConnection) {
   Expect.equals("some-value1", headers.value("My-Connection-Header1"));
   Expect.equals("some-value2", headers.value("My-Connection-Header2"));
-  Expect.isTrue(headers[HttpHeaders.CONNECTION].some(
+  Expect.isTrue(headers[HttpHeaders.CONNECTION].any(
       (value) => value.toLowerCase() == "my-connection-header1"));
-  Expect.isTrue(headers[HttpHeaders.CONNECTION].some(
+  Expect.isTrue(headers[HttpHeaders.CONNECTION].any(
       (value) => value.toLowerCase() == "my-connection-header2"));
   if (persistentConnection) {
     Expect.equals(2, headers[HttpHeaders.CONNECTION].length);
   } else {
     Expect.equals(3, headers[HttpHeaders.CONNECTION].length);
-    Expect.isTrue(headers[HttpHeaders.CONNECTION].some(
+    Expect.isTrue(headers[HttpHeaders.CONNECTION].any(
         (value) => value.toLowerCase() == "close"));
   }
 }
 
 void test(int totalConnections, bool clientPersistentConnection) {
   HttpServer server = new HttpServer();
   server.onError = (e) => Expect.fail("Unexpected error $e");
   server.listen("127.0.0.1", 0, backlog: totalConnections);
   server.defaultRequestHandler = (HttpRequest request, HttpResponse response) {
     // Check expected request.
@@ skipping 34 matching lines @@
       };
     };
   }
 }
 
 
 void main() {
   test(2, false);
   test(2, true);
 }