Enable parsing of IPv6 form addresse (see rfc2373 and rfc2732).

pkg/stack_trace/test/frame_test.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.
 
 library frame_test;
 
 import 'dart:io';
 import 'dart:uri';
 
 import 'package:pathos/path.dart' as path;
@@ skipping 13 matching lines @@
   if (level == null) return new Frame.caller();
   return new Frame.caller(level);
 }
 
 Frame nestedGetCaller(int level) => getCaller(level);
 
 void main() {
   test('parses a stack frame correctly', () {
     var frame = new Frame.parse("#1      Foo._bar "
         "(file:///home/nweiz/code/stuff.dart:42:21)");
-    expect(frame.uri,
-        equals(new Uri.fromString("file:///home/nweiz/code/stuff.dart")));
+    expect(frame.uri, equals(Uri.parse("file:///home/nweiz/code/stuff.dart")));
     expect(frame.line, equals(42));
     expect(frame.column, equals(21));
     expect(frame.member, equals('Foo._bar'));
   });
 
   test('parses a real stack frame correctly', () {
     var frame = new Frame.parse(getStackFrame());
     // TODO(nweiz): use URL-style paths when such a thing exists.
     var builder = new path.Builder(style: path.Style.posix);
     expect(builder.basename(frame.uri.path), equals('frame_test.dart'));
@@ skipping 122 matching lines @@
           equals('dart:core in Foo'));
     });
 
     test('converts "<anonymous closure>" to "<fn>"', () {
       expect(new Frame.parse('#0 Foo.<anonymous closure> (dart:core:5:10)')
               .toString(),
           equals('dart:core in Foo.<fn>'));
     });
   });
 }