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

sdk/lib/io/directory.dart

Index: sdk/lib/io/directory.dart
diff --git a/sdk/lib/io/directory.dart b/sdk/lib/io/directory.dart
index a7fe5202e485480332d249dce060b33d666ba3ed..68e31bd61907c3ba10165ee75fd6b80e456fd5e3 100644
--- a/sdk/lib/io/directory.dart
+++ b/sdk/lib/io/directory.dart
@@ -88,6 +88,10 @@ abstract class Directory implements FileSystemEntity {
    */
   Directory createTempSync();
 
+  Future<String> resolveSymbolicLinks();
+
+  String resolveSymbolicLinksSync();
+
   /**
    * Renames this directory. Returns a [:Future<Directory>:] that completes
    * with a [Directory] instance for the renamed directory.