Add HttpRequest::requestedUri.

tests/standalone/io/http_requested_uri_test.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.
+
+import "package:expect/expect.dart";
+import "package:async_helper/async_helper.dart";
+import "dart:async";
+import "dart:io";
+
+const PATH = '/path?a=b#c';
+
+void test(String expected, Map headers) {
+  asyncStart();
+  HttpServer.bind("127.0.0.1", 0).then((server) {
+    expected = expected.replaceAll('%PORT', server.port.toString());
+    server.listen((request) {
+      Expect.equals("$expected$PATH",
+                    request.requestedUri.toString());
+      request.response.close();
+    });
+    HttpClient client = new HttpClient();
+    client.get("localhost", server.port, PATH)
+      .then((request) {
+        for (var v in headers.keys) {
+          if (headers[v] != null) {
+            request.headers.set(v, headers[v]);
+          } else {
+            request.headers.removeAll(v);
+          }
+        }
+        return request.close();
+      })
+      .then((response) => response.drain())
+      .then((_) {
+        server.close();
+        asyncEnd();
+      });
+  });
+}
+
+
+void main() {
+  test('http://localhost:%PORT', {});
+  test('https://localhost:%PORT', {'x-forwarded-proto': 'https'});
+  test('ws://localhost:%PORT', {'x-forwarded-proto': 'ws'});
+  test('http://my-host:321', {'x-forwarded-host': 'my-host:321'});
+  test('http://127.0.0.1:%PORT', {'host': null});
+}
+