Add LibraryDependencyMirror.isDeferred.

tests/lib/mirrors/stringify.dart

 // Copyright (c) 2013, 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.
 
 /// Helper methods for converting a [Mirror] to a [String].
 library test.stringify;
 
 import 'dart:mirrors';
 
 import 'package:expect/expect.dart';
@@ skipping 98 matching lines @@
   if (method.isSynthetic) buffer.write(', synthetic');
   if (method.isStatic) buffer.write(', static');
   if (method.isGetter) buffer.write(', getter');
   if (method.isSetter) buffer.write(', setter');
   if (method.isConstructor) buffer.write(', constructor');
   return 'Method($buffer)';
 }
 
 stringifyDependencies(LibraryMirror l) {
   n(s) => s is Symbol ? MirrorSystem.getName(s) : s;
-  compareDep(a, b) =>
-      n(a.targetLibrary.simpleName).compareTo(n(b.targetLibrary.simpleName));
+  compareDep(a, b) {
+      if (a.targetLibrary == b.targetLibrary) {
+        if ((a.prefix != null) && (b.prefix != null)) {
+          return n(a.prefix).compareTo(n(b.prefix));
+        }
+        return a.prefix == null ? 1 : -1;
+      }
+      return n(a.targetLibrary.simpleName).compareTo(n(b.targetLibrary.simpleName));
+  }
   compareCom(a, b) => n(a.identifier).compareTo(n(b.identifier));
   compareFirst(a, b) => a[0].compareTo(b[0]);
   sortBy(c, p) => new List.from(c)..sort(p);
 
   var buffer = new StringBuffer();
   sortBy(l.libraryDependencies, compareDep).forEach((dep) {
     if (dep.isImport) buffer.write('import ');
     if (dep.isExport) buffer.write('export ');
     buffer.write(n(dep.targetLibrary.simpleName));
+    if (dep.isDeferred) buffer.write(' deferred');
     if (dep.prefix != null) buffer.write(' as ${n(dep.prefix)}');
     buffer.write('\n');
 
     List flattenedCombinators = new List();
     dep.combinators.forEach((com) {
       com.identifiers.forEach((ident) {
         flattenedCombinators.add([n(ident), com.isShow, com.isHide]);
       });
     });
     sortBy(flattenedCombinators, compareFirst).forEach((triple) {
@@ skipping 28 matching lines @@
   Expect.stringEquals(expected, stringify(actual), reason);
 }
 
 compareSymbols(Symbol a, Symbol b) {
   return MirrorSystem.getName(a).compareTo(MirrorSystem.getName(b));
 }
 
 simpleNames(Iterable<Mirror> i) => i.map((e) => e.simpleName);
 
 sort(Iterable<Symbol> symbols) => symbols.toList()..sort(compareSymbols);