Update pub to use the new command runner API in args.

sdk/lib/_internal/pub_generated/lib/src/command/serve.dart

Index: sdk/lib/_internal/pub_generated/lib/src/command/serve.dart
diff --git a/sdk/lib/_internal/pub_generated/lib/src/command/serve.dart b/sdk/lib/_internal/pub_generated/lib/src/command/serve.dart
index 268f63ae4499f8e03e8452736b6e25d2a12be68a..1111d3dec8e111ec26aadda8900503a060b1eeba 100644
--- a/sdk/lib/_internal/pub_generated/lib/src/command/serve.dart
+++ b/sdk/lib/_internal/pub_generated/lib/src/command/serve.dart
@@ -19,35 +19,36 @@ final _arrow = getSpecial('\u2192', '=>');
 
 /// Handles the `serve` pub command.
 class ServeCommand extends BarbackCommand {
+  String get name => "serve";
   String get description =>
       'Run a local web development server.\n\n'
           'By default, this serves "web/" and "test/", but an explicit list of \n'
           'directories to serve can be provided as well.';
-  String get usage => "pub serve [directories...]";
+  String get invocation => "pub serve [directories...]";
   String get docUrl => "http://dartlang.org/tools/pub/cmd/pub-serve.html";
 
   PubPackageProvider _provider;
 
-  String get hostname => commandOptions['hostname'];
+  String get hostname => argResults['hostname'];
 
   /// The base port for the servers.
   ///
   /// This will print a usage error and exit if the specified port is invalid.
-  int get port => parseInt(commandOptions['port'], 'port');
+  int get port => parseInt(argResults['port'], 'port');
 
   /// The port for the admin UI.
   ///
   /// This will print a usage error and exit if the specified port is invalid.
   int get adminPort {
-    var adminPort = commandOptions['admin-port'];
+    var adminPort = argResults['admin-port'];
     return adminPort == null ? null : parseInt(adminPort, 'admin port');
   }
 
   /// `true` if Dart entrypoints should be compiled to JavaScript.
-  bool get useDart2JS => commandOptions['dart2js'];
+  bool get useDart2JS => argResults['dart2js'];
 
   /// `true` if the admin server URL should be displayed on startup.
-  bool get logAdminUrl => commandOptions['log-admin-url'];
+  bool get logAdminUrl => argResults['log-admin-url'];
 
   BarbackMode get defaultMode => BarbackMode.DEBUG;
 
@@ -58,11 +59,11 @@ class ServeCommand extends BarbackCommand {
   final _completer = new Completer();
 
   ServeCommand() {
-    commandParser.addOption(
+    argParser.addOption(
         'hostname',
         defaultsTo: 'localhost',
         help: 'The hostname to listen on.');
-    commandParser.addOption(
+    argParser.addOption(
         'port',
         defaultsTo: '8080',
         help: 'The base port to listen on.');
@@ -72,16 +73,16 @@ class ServeCommand extends BarbackCommand {
     // Socket interface, we don't want to show it to users, but the tests and
     // Editor need this logged to know what port to bind to.
     // Remove this (and always log) when #16954 is fixed.
-    commandParser.addFlag('log-admin-url', defaultsTo: false, hide: true);
+    argParser.addFlag('log-admin-url', defaultsTo: false, hide: true);
 
     // TODO(nweiz): Make this public when issue 16954 is fixed.
-    commandParser.addOption('admin-port', hide: true);
+    argParser.addOption('admin-port', hide: true);
 
-    commandParser.addFlag(
+    argParser.addFlag(
         'dart2js',
         defaultsTo: true,
         help: 'Compile Dart to JavaScript.');
-    commandParser.addFlag(
+    argParser.addFlag(
         'force-poll',
         defaultsTo: false,
         help: 'Force the use of a polling filesystem watcher.');
@@ -91,7 +92,7 @@ class ServeCommand extends BarbackCommand {
     final completer0 = new Completer();
     scheduleMicrotask(() {
       try {
-        var port = parseInt(commandOptions['port'], 'port');
+        var port = parseInt(argResults['port'], 'port');
         join0(x0) {
           var adminPort = x0;
           join1(x1) {
@@ -183,16 +184,16 @@ class ServeCommand extends BarbackCommand {
               }
             }, onError: completer0.completeError);
           }
-          if (commandOptions['force-poll']) {
+          if (argResults['force-poll']) {
             join1(WatcherType.POLLING);
           } else {
             join1(WatcherType.AUTO);
           }
         }
-        if (commandOptions['admin-port'] == null) {
+        if (argResults['admin-port'] == null) {
           join0(null);
         } else {
-          join0(parseInt(commandOptions['admin-port'], 'admin port'));
+          join0(parseInt(argResults['admin-port'], 'admin port'));
         }
       } catch (e, s) {
         completer0.completeError(e, s);