Revert "Change dart:io Platform.script to return a Uri."

tests/standalone/io/http_server_close_response_after_error_test.dart

Index: tests/standalone/io/http_server_close_response_after_error_test.dart
diff --git a/tests/standalone/io/http_server_close_response_after_error_test.dart b/tests/standalone/io/http_server_close_response_after_error_test.dart
index c5cdcec47a5b4acac6629c4d5e51f90cbedc372a..c3501f706bd42eb0735abc41f04ebaf2034786ef 100644
--- a/tests/standalone/io/http_server_close_response_after_error_test.dart
+++ b/tests/standalone/io/http_server_close_response_after_error_test.dart
@@ -1,36 +1,37 @@
-// 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.
-//
-// VMOptions=
-// VMOptions=--short_socket_read
-// VMOptions=--short_socket_write
-// VMOptions=--short_socket_read --short_socket_write
-
-import 'dart:async';
-import 'dart:io';
-
-const CLIENT_SCRIPT = "http_server_close_response_after_error_client.dart";
-
-void main() {
-  HttpServer.bind("127.0.0.1", 0)
-      .then((server) {
-        server.listen(
-            (request) {
-              request.listen(
-                  null,
-                  onError: (e) {},
-                  onDone: () {
-                    request.response.close();
-                  });
-            });
-        Process.run(Platform.executable,
-                    [Platform.script.resolve(CLIENT_SCRIPT).toString(),
-                     server.port.toString()])
-            .then((result) {
-              if (result.exitCode != 0) throw "Bad exit code";
-              server.close();
-            });
-      });
-}
-
+// 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.
+//
+// VMOptions=
+// VMOptions=--short_socket_read
+// VMOptions=--short_socket_write
+// VMOptions=--short_socket_read --short_socket_write
+
+import 'dart:async';
+import 'dart:io';
+
+const CLIENT_SCRIPT = "http_server_close_response_after_error_client.dart";
+
+void main() {
+  HttpServer.bind("127.0.0.1", 0)
+      .then((server) {
+        server.listen(
+            (request) {
+              request.listen(
+                  null,
+                  onError: (e) {},
+                  onDone: () {
+                    request.response.close();
+                  });
+            });
+        var path = new Uri.file(Platform.script);
+        Process.run(Platform.executable,
+                    [path.resolve(CLIENT_SCRIPT).toString(),
+                     server.port.toString()])
+            .then((result) {
+              if (result.exitCode != 0) throw "Bad exit code";
+              server.close();
+            });
+      });
+}
+