Implement MirrorUsed.targets for libraries

dart/sdk/lib/mirrors/mirrors.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.
 
 // For the purposes of the mirrors library, we adopt a naming
 // convention with respect to getters and setters.  Specifically, for
 // some variable or field...
 //
 //   var myField;
 //
@@ skipping 1208 matching lines @@
 class MirrorsUsed {
   // Note: the fields of this class are untyped.  This is because the most
   // convenient way to specify to specify symbols today is using a single
   // string. In some cases, a const list of classes might be convenient. Some
   // might prefer to use a const list of symbols.
 
   /**
    * The list of strings passed to new [Symbol], and symbols that might be
    * passed to [MirrorSystem.getName].
    *
-   * Combined with the names of [reflectiveTarget], [metaTargets] and their
-   * members, this forms the complete list of strings passed to new [Symbol],
-   * and symbols that might be passed to [MirrorSystem.getName] by the library
-   * to which this metadata applies.
+   * Combined with the names of [targets], [metaTargets] and their members,
+   * this forms the complete list of strings passed to new [Symbol], and
+   * symbols that might be passed to [MirrorSystem.getName] by the library to
+   * which this metadata applies.
    *
    * The following text is non-normative:
    *
    * Specifying this option turns off the following warnings emitted by
    * dart2js:
    *
    * * Using "MirrorSystem.getName" may result in larger output.
    * * Using "new #{name}" may result in larger output.
    *
    * Use symbols = "*" to turn off the warnings mentioned above.
@@ skipping 33 matching lines @@
    *
    * When used as metadata on an import of "dart:mirrors", this metadata does
    * not apply to the library in which the annotation is used, but instead
    * applies to the other libraries (all libraries if "*" is used).
    */
   final override;
 
   const MirrorsUsed(
       {this.symbols, this.targets, this.metaTargets, this.override});
 }