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

sdk/lib/io/file_impl.dart

Index: sdk/lib/io/file_impl.dart
diff --git a/sdk/lib/io/file_impl.dart b/sdk/lib/io/file_impl.dart
index ba6b64279c3bfa5231912cb10b73dd69a7cfd554..0ce39ad7ff2ffdcf047bee55e848ac4ba3031d44 100644
--- a/sdk/lib/io/file_impl.dart
+++ b/sdk/lib/io/file_impl.dart
@@ -204,7 +204,7 @@ const int _CREATE_REQUEST = 1;
 const int _DELETE_REQUEST = 2;
 const int _RENAME_REQUEST = 3;
 const int _OPEN_REQUEST = 4;
-const int _FULL_PATH_REQUEST = 5;
+const int _RESOLVE_SYMBOLIC_LINKS_REQUEST = 5;
 const int _CLOSE_REQUEST = 6;
 const int _POSITION_REQUEST = 7;
 const int _SET_POSITION_REQUEST = 8;
@@ -444,29 +444,33 @@ class _File extends FileSystemEntity implements File {
     return new _RandomAccessFile(id, "");
   }
 
-  Future<String> fullPath() {
+  Future<String> resolveSymbolicLinks() {
     _ensureFileService();
     List request = new List(2);
-    request[0] = _FULL_PATH_REQUEST;
+    request[0] = _RESOLVE_SYMBOLIC_LINKS_REQUEST;
     request[1] = path;
     return _fileService.call(request).then((response) {
       if (_isErrorResponse(response)) {
         throw _exceptionFromResponse(response,
-                                     "Cannot retrieve full path",
+                                     "Cannot resolve symbolic links",
                                      path);
       }
       return response;
     });
   }
 
-  external static _fullPath(String path);
+  Future<String> fullPath() => resolveSymbolicLinks();
 
-  String fullPathSync() {
-    var result = _fullPath(path);
-    throwIfError(result, "Cannot retrieve full path", path);
+  external static _resolveSymbolicLinks(String path);
+
+  String resolveSymbolicLinksSync() {
+    var result = _resolveSymbolicLinks(path);
+    throwIfError(result, "Cannot resolve symbolic links", path);
     return result;
   }
 
+  String fullPathSync() => resolveSymbolicLinksSync();
+
   Stream<List<int>> openRead([int start, int end]) {
     return new _FileStream(path, start, end);
   }