mojom.dart: Allow package name != directory name

mojo/dart/packages/mojom/lib/src/generate.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.
 
 /// This library generates Mojo bindings for a Dart package.
 
 library generate;
 
 import 'dart:async';
+import 'dart:collection';
 import 'dart:convert';
 import 'dart:developer' as dev;
 import 'dart:io';
 
 import 'package:mojom/src/utils.dart';
 import 'package:path/path.dart' as path;
+import 'package:yaml/yaml.dart' as yaml;
 
 part 'mojom_finder.dart';
 
 const String mojoTestPackage = '_mojo_for_test_only';
 
 class MojomGenerator {
   static dev.Counter _genMs;
   final bool _errorOnDuplicate;
   final bool _dryRun;
   final bool _force;
@@ skipping 420 matching lines @@
             '\t$dart $packRoot $scriptPath single -m $mojoSdk -r $root '
             '-p $packagePath $skips');
         _errors++;
         return;
       }
     }
   }
 
   bool _shouldSkip(File f) => containsPrefix(f.path, _skip);
 }