Move pub over to using the pub.dartlang.org API v2.

sdk/lib/_internal/pub/lib/src/command_uploader.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 command_uploader;
 
 import 'dart:async';
 import 'dart:io';
 
 import 'package:args/args.dart';
@@ skipping 45 matching lines @@
     }
 
     return new Future.sync(() {
       var package = commandOptions['package'];
       if (package != null) return package;
       return new Entrypoint(path.current, cache).root.name;
     }).then((package) {
       var uploader = commandOptions.rest[0];
       return oauth2.withClient(cache, (client) {
         if (command == 'add') {
-          var url = server.resolve("/packages/${Uri.encodeComponent(package)}"
-              "/uploaders.json");
-          return client.post(url, fields: {"email": uploader});
+          var url = server.resolve("/api/packages/"
+              "${Uri.encodeComponent(package)}/uploaders");
+          return client.post(url,
+              headers: PUB_API_HEADERS,
+              fields: {"email": uploader});
         } else { // command == 'remove'
-          var url = server.resolve("/packages/${Uri.encodeComponent(package)}"
-              "/uploaders/${Uri.encodeComponent(uploader)}.json");
-          return client.delete(url);
+          var url = server.resolve("/api/packages/"
+              "${Uri.encodeComponent(package)}/uploaders/"
+              "${Uri.encodeComponent(uploader)}");
+          return client.delete(url, headers: PUB_API_HEADERS);
         }
       });
     }).then(handleJsonSuccess)
       .catchError((error) => handleJsonError(error.response),
                   test: (e) => e is PubHttpException);
   }
 }