Revert "dart:io | Change File.fullPath to FileSystemEntity.resolveSymbolicLinks."

sdk/lib/io/file.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.
 
 part of dart.io;
 
 /**
  * FileMode describes the modes in which a file can be opened.
  */
 class FileMode {
@@ skipping 138 matching lines @@
    *
    * See [open] for information on the [mode] argument.
    *
    * Throws a [FileException] if the operation fails.
    */
   RandomAccessFile openSync({FileMode mode: FileMode.READ});
 
   /**
    * Get the canonical full path corresponding to the file path.
    * Returns a [:Future<String>:] that completes with the path.
-   *
-   * *FullPath is deprecated.  Use absolutePath or resolveSymbolicLinks
-   * instead.  FullPath will be removed the 23rd of September, 2013.*
    */
-  @deprecated
   Future<String> fullPath();
 
   /**
    * Synchronously get the canonical full path corresponding to the file path.
    *
    * Throws a [FileException] if the operation fails.
-   *
-   * *FullPathSync is deprecated.  Use absolutePathSync or
-   * resolveSymbolicLinksSync instead.  FullPathSync will be removed
-   * the 23rd of September, 2013.*
    */
-  @deprecated
   String fullPathSync();
 
   /**
    * Create a new independent [Stream] for the contents of this file.
    *
    * If [start] is present, the file will be read from byte-offset [start].
    * Otherwise from the beginning (index 0).
    *
    * If [end] is present, only up to byte-index [end] will be read. Otherwise,
    * until end of file.
@@ skipping 357 matching lines @@
       }
     } else if (osError != null) {
       sb.write(": osError");
       if (path != null) {
         sb.write(", path = $path");
       }
     }
     return sb.toString();
   }
 }