Stop using cURL in Pub.

utils/pub/hosted_source.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.
 
 library hosted_source;
 
 import 'dart:async';
 import 'dart:io' as io;
 import 'dart:json' as json;
 import 'dart:uri';
@@ skipping 10 matching lines @@
 import 'utils.dart';
 import 'version.dart';
 
 /// A package source that installs packages from a package hosting site that
 /// uses the same API as pub.dartlang.org.
 class HostedSource extends Source {
   final name = "hosted";
   final shouldCache = true;
 
   /// The URL of the default package repository.
-  static final defaultUrl = "http://pub.dartlang.org";
+  static final defaultUrl = "https://pub.dartlang.org";
 
   /// Downloads a list of all versions of a package that are available from the
   /// site.
   Future<List<Version>> getVersions(String name, description) {
     var parsed = _parseDescription(description);
     var fullUrl = "${parsed.last}/packages/${parsed.first}.json";
 
     return httpClient.read(fullUrl).then((body) {
       var doc = json.parse(body);
       return doc['versions']
@@ skipping 117 matching lines @@
 
     var name = description["name"];
     if (name is! String) {
       throw new FormatException("The 'name' key must have a string value.");
     }
 
     var url = description.containsKey("url") ? description["url"] : defaultUrl;
     return new Pair<String, String>(name, url);
   }
 }