Update pub to new getter syntax.

utils/pub/io.dart

 // Copyright (c) 2012, 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.
 
 /**
  * Helper functionality to make working with IO easier.
  */
 #library('io');
 
 #import('dart:io');
 #import('dart:uri');
 
 /** Gets the current working directory. */
-String get workingDir() => new File('.').fullPathSync();
+String get workingDir => new File('.').fullPathSync();
 
 /**
  * Prints the given string to `stderr` on its own line.
  */
 void printError(value) {
   stderr.writeString(value.toString());
   stderr.writeString('\n');
 }
 
 /**
@@ skipping 373 matching lines @@
   };
 
   process.onError = (error) => completer.completeException(error);
 
   return completer.future;
 }
 
 /**
  * Tests whether or not the git command-line app is available for use.
  */
-Future<bool> get isGitInstalled() {
+Future<bool> get isGitInstalled {
   // TODO(rnystrom): We could cache this after the first check. We aren't right
   // now because Future.immediate() will invoke its callback synchronously.
   // That does bad things in cases where the caller expects futures to always
   // be async. In particular, withGit() in the pub tests which calls
   // expectAsync() will fail horribly if the test isn't actually async.
 
   var completer = new Completer<bool>();
 
   // If "git --version" prints something familiar, git is working.
   var future = runProcess("git", ["--version"]);
@@ skipping 34 matching lines @@
 /**
  * Contains the results of invoking a [Process] and waiting for it to complete.
  */
 class PubProcessResult {
   final List<String> stdout;
   final List<String> stderr;
   final int exitCode;
 
   const PubProcessResult(this.stdout, this.stderr, this.exitCode);
 
-  bool get success() => exitCode == 0;
+  bool get success => exitCode == 0;
 }
 
 /**
  * Gets the path string for [entry], which can either already be a path string,
  * or be a [File] or [Directory]. Allows working generically with "file-like"
  * objects.
  */
 String _getPath(entry) {
   if (entry is String) return entry;
   if (entry is File) return entry.name;
@@ skipping 10 matching lines @@
   return new Directory(entry);
 }
 
 /**
  * Gets a [Uri] for [uri], which can either already be one, or be a [String].
  */
 Uri _getUri(uri) {
   if (uri is Uri) return uri;
   return new Uri.fromString(uri);
 }