DDC fixes for path

lib/src/parsed_path.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 path.parsed_path;
 
 import 'internal_style.dart';
 import 'style.dart';
 
 class ParsedPath {
@@ skipping 29 matching lines @@
   /// `true` if this is an absolute path.
   bool get isAbsolute => root != null;
 
   factory ParsedPath.parse(String path, InternalStyle style) {
     // Remove the root prefix, if any.
     var root = style.getRoot(path);
     var isRootRelative = style.isRootRelative(path);
     if (root != null) path = path.substring(root.length);
 
     // Split the parts on path separators.
-    var parts = [];
-    var separators = [];
+    var parts = <String>[];
+    var separators = <String>[];
 
     var start = 0;
 
     if (path.isNotEmpty && style.isSeparator(path.codeUnitAt(0))) {
       separators.add(path[0]);
       start = 1;
     } else {
       separators.add('');
     }
 
@@ skipping 33 matching lines @@
     while (!parts.isEmpty && parts.last == '') {
       parts.removeLast();
       separators.removeLast();
     }
     if (separators.length > 0) separators[separators.length - 1] = '';
   }
 
   void normalize() {
     // Handle '.', '..', and empty parts.
     var leadingDoubles = 0;
-    var newParts = [];
+    var newParts = <String>[];
     for (var part in parts) {
       if (part == '.' || part == '') {
         // Do nothing. Ignore it.
       } else if (part == '..') {
         // Pop the last part off.
         if (newParts.length > 0) {
           newParts.removeLast();
         } else {
           // Backed out past the beginning, so preserve the "..".
           leadingDoubles++;
         }
       } else {
         newParts.add(part);
       }
     }
 
     // A relative path can back out from the start directory.
     if (!isAbsolute) {
       newParts.insertAll(0, new List.filled(leadingDoubles, '..'));
     }
 
     // If we collapsed down to nothing, do ".".
     if (newParts.length == 0 && !isAbsolute) {
       newParts.add('.');
     }
 
     // Canonicalize separators.
-    var newSeparators = new List.generate(
+    var newSeparators = new List<String>.generate(
         newParts.length, (_) => style.separator, growable: true);
     newSeparators.insert(0, isAbsolute &&
         newParts.length > 0 &&
         style.needsSeparator(root) ? style.separator : '');
 
     parts = newParts;
     separators = newSeparators;
 
     // Normalize the Windows root if needed.
     if (root != null && style == Style.windows) {
@@ skipping 30 matching lines @@
     // If there is no dot, or it's the first character, like '.bashrc', it
     // doesn't count.
     if (lastDot <= 0) return [file, ''];
 
     return [file.substring(0, lastDot), file.substring(lastDot)];
   }
 
   ParsedPath clone() => new ParsedPath._(style, root, isRootRelative,
       new List.from(parts), new List.from(separators));
 }