Default constructor for dart:io Path now handles native Windows paths. Path() now does the same as…

sdk/lib/_internal/dartdoc/test/dartdoc_test.dart

Index: sdk/lib/_internal/dartdoc/test/dartdoc_test.dart
diff --git a/sdk/lib/_internal/dartdoc/test/dartdoc_test.dart b/sdk/lib/_internal/dartdoc/test/dartdoc_test.dart
index e0246ac3c94e6202c8a757340220a421fe750e95..817889e78ebc59d345449d3c2ccb3e6af2d93dd5 100644
--- a/sdk/lib/_internal/dartdoc/test/dartdoc_test.dart
+++ b/sdk/lib/_internal/dartdoc/test/dartdoc_test.dart
@@ -119,7 +119,7 @@ main() {
           '../../other/file.html'));
     });
   });
-  
+
   group('integration tests', () {
     test('no entrypoints', () {
       expect(_runDartdoc([], exitCode: 1), completes);
@@ -127,14 +127,14 @@ main() {
 
     test('library with no packages', () {
       expect(_runDartdoc(
-          [new Path.fromNative('test/test_files/other_place/'
+          [new Path('test/test_files/other_place/'
               'no_package_test_file.dart').toNativePath()]),
         completes);
     });
 
     test('library with packages', () {
       expect(_runDartdoc(
-          [new Path.fromNative('test/test_files/'
+          [new Path('test/test_files/'
               'package_test_file.dart').toNativePath()]),
         completes);
     });