Reapply "Remove @deprecated features."

tests/standalone/io/link_async_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 "dart:async";
 import "dart:io";
 
 import "package:async_helper/async_helper.dart";
 import "package:expect/expect.dart";
 import "package:path/path.dart";
@@ skipping 86 matching lines @@
       .then((_) => FutureExpect.isTrue(FileSystemEntity.identical(
           link,
           link)))
       .then((_) => FutureExpect.isTrue(FileSystemEntity.identical(
           target,
           target)))
       .then((_) => new Link(link).target())
       .then((linkTarget) => FutureExpect.isTrue(FileSystemEntity.identical(
           target,
           linkTarget)))
-      .then((_) => new File(".").fullPath())
+      .then((_) => new File(".").resolveSymbolicLinks())
       .then((fullCurrentDir) => FutureExpect.isTrue(FileSystemEntity.identical(
           ".",
           fullCurrentDir)))
       .then((_) => FutureExpect.isTrue(FileSystemEntity.identical(
           createdFile,
           createdFile)))
       .then((_) => FutureExpect.isFalse(FileSystemEntity.identical(
           createdFile,
           createdDirectly)))
       .then((_) => FutureExpect.isTrue(FileSystemEntity.identical(
@@ skipping 195 matching lines @@
 }
 
 main() {
   asyncStart();
   testCreate()
     .then(testCreateLoopingLink)
     .then(testRename)
     .then(testRelativeLinks)
     .then((_) => asyncEnd());
 }