Dangling comment reference cleanup in analyzer.

pkg/analyzer/lib/source/embedder.dart

 // Copyright (c) 2015, 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 analyzer.source.embedder;
 
 import 'dart:collection' show HashMap;
 import 'dart:core' hide Resource;
 
 import 'package:analyzer/file_system/file_system.dart';
+import 'package:analyzer/source/package_map_provider.dart'
+    show PackageMapProvider;
 import 'package:analyzer/src/context/context.dart';
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/generated/java_core.dart';
 import 'package:analyzer/src/generated/java_engine.dart';
 import 'package:analyzer/src/generated/java_io.dart' show JavaFile;
 import 'package:analyzer/src/generated/sdk.dart';
 import 'package:analyzer/src/generated/source.dart';
 import 'package:analyzer/src/generated/source_io.dart' show FileBasedSource;
 import 'package:yaml/yaml.dart';
 
@@ skipping 124 matching lines @@
     String filePath = srcPath.replaceAll('/', JavaFile.separator);
     try {
       JavaFile file = new JavaFile(filePath);
       return new FileBasedSource(file, parseUriWithException(dartUri));
     } on URISyntaxException {
       return null;
     }
   }
 }
 
-/// Given the [embedderYamls] from [EmbedderYamlLocator] check each one for the
+/// Given the 'embedderYamls' from [EmbedderYamlLocator] check each one for the
 /// top level key 'embedded_libs'. Under the 'embedded_libs' key are key value
 /// pairs. Each key is a 'dart:' library uri and each value is a path
 /// (relative to the directory containing `_embedder.yaml`) to a dart script
 /// for the given library. For example:
 ///
 /// embedded_libs:
 ///   'dart:io': '../../sdk/io/io.dart'
 ///
 /// If a key doesn't begin with `dart:` it is ignored.
 ///
@@ skipping 121 matching lines @@
   String _readEmbedderYaml(Folder libDir) {
     File file = libDir.getChild(EMBEDDER_FILE_NAME);
     try {
       return file.readAsStringSync();
     } on FileSystemException {
       // File can't be read.
       return null;
     }
   }
 }