Move mojo and mojom from mojo/public/dart to mojo/dart/packages

mojo/public/dart/mojom/lib/src/commands/check.dart

-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-library mojom.command.check;
-
-import 'dart:async';
-import 'dart:io';
-
-import 'package:args/args.dart';
-import 'package:args/command_runner.dart';
-import 'package:mojom/src/commands/mojom_command.dart';
-import 'package:mojom/src/generate.dart';
-import 'package:mojom/src/utils.dart';
-import 'package:path/path.dart' as path;
-
-class CheckCommand extends MojomCommand {
-  String get name => 'check';
-  String get description => "Check bindings generated by the 'gen' command "
-      "against a canonical source";
-  String get invocation =>
-      'mojom.dart check -c path/to/canon -r mojoms/ -o dart-packages/';
-
-  Directory _canon;
-  Directory _dartRoot;
-
-  CheckCommand() {
-    argParser.addOption('canon',
-        abbr: 'c',
-        help: 'Directory containing canonical .mojom.dart bindings.');
-    argParser.addOption('output',
-        abbr: 'o',
-        defaultsTo: Directory.current.path,
-        help: 'Directory containing Dart packages.');
-  }
-
-  run() async {
-    MojomCommand.setupLogging();
-    await _validateArguments();
-    var treeChecker =
-        new TreeChecker(mojoSdk, mojomRoot, _dartRoot, _canon, skips);
-    await treeChecker.check();
-    return treeChecker.errors;
-  }
-
-  _validateArguments() async {
-    await validateArguments();
-
-    if (argResults['canon'] == null) {
-      throw new CommandLineError("The 'tree-check' command requires a --canon"
-          " argument.");
-    }
-    _canon = new Directory(makeAbsolute(argResults['canon']));
-    if (!await _canon.exists()) {
-      throw new CommandLineError("The specified canonical output directory: "
-          "$_canon does not exist.");
-    }
-    _dartRoot = new Directory(makeAbsolute(argResults['output']));
-    if (!await _dartRoot.exists()) {
-      throw new CommandLineError(
-          'Specified --output directory $_dartRoot does not exist');
-    }
-  }
-}