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

sdk/lib/io/link.dart

Index: sdk/lib/io/link.dart
diff --git a/sdk/lib/io/link.dart b/sdk/lib/io/link.dart
index 3df3fc9f1d5692534f1556aa1b69dae5303b7a8c..6d6b2a54118c186bcd844b0bb09ab434bf2b17b7 100644
--- a/sdk/lib/io/link.dart
+++ b/sdk/lib/io/link.dart
@@ -64,6 +64,10 @@ abstract class Link implements FileSystemEntity {
    */
   Future<Link> update(String target);
 
+  Future<String> resolveSymbolicLinks();
+
+  String resolveSymbolicLinksSync();
+
   /**
    * Renames this link. Returns a `Future<Link>` that completes
    * with a [Link] instance for the renamed link.
@@ -220,6 +224,29 @@ class _Link extends FileSystemEntity implements Link {
     throwIfError(result, "Cannot delete link", path);
   }
 
+  Future<String> resolveSymbolicLinks() {
+    _ensureFileService();
+    List request = new List(2);
+    request[0] = _RESOLVE_SYMBOLIC_LINKS_REQUEST;
+    request[1] = path;
+    return _fileService.call(request).then((response) {
+      if (_isErrorResponse(response)) {
+        throw _exceptionFromResponse(
+            response, "Cannot resolve symbolic links", path);
+      }
+      return response;
+    });
+  }
+
+  String resolveSymbolicLinksSync() {
+    var result = _File._resolveSymbolicLinks(path);
+    if (result is OSError) {
+      throw new LinkException(
+          "Cannot resolve symbolic links", path, result);
+    }
+    return result;
+  }
+
   Future<Link> rename(String newPath) {
     _ensureFileService();
     List request = new List(3);