Move Compiler.libraries to LibraryLoader.

sdk/lib/_internal/compiler/implementation/mirrors/dart2js_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.
 
 library dart2js.mirrors;
 
 import 'dart:collection' show UnmodifiableListView, UnmodifiableMapView;
 
 import '../elements/elements.dart';
 import '../scanner/scannerlib.dart';
@@ skipping 266 matching lines @@
   UnmodifiableMapView<Uri, LibraryMirror> _filteredLibraries;
 
   Dart2JsMirrorSystem(this.compiler);
 
   IsolateMirror get isolate => null;
 
   void _ensureLibraries() {
     if (_filteredLibraries == null) {
       var filteredLibs = new Map<Uri, LibraryMirror>();
       _libraryMap = new Map<LibraryElement, Dart2JsLibraryMirror>();
-      compiler.libraries.forEach((_, LibraryElement v) {
+      compiler.libraryLoader.libraries.forEach((LibraryElement v) {
         var mirror = new Dart2JsLibraryMirror(mirrorSystem, v);
         if (_includeLibrary(mirror)) {
           filteredLibs[mirror.uri] = mirror;
         }
         _libraryMap[v] = mirror;
       });
 
       _filteredLibraries =
           new UnmodifiableMapView<Uri, LibraryMirror>(filteredLibs);
     }
@@ skipping 191 matching lines @@
         node, variable._variable.treeElements, variable.mirrorSystem);
   }
 
   static ResolvedNode defaultValueSyntaxOf(Dart2JsParameterMirror parameter) {
     if (!parameter.hasDefaultValue) return null;
     var node = parameter._element.initializer;
     var treeElements = parameter._element.treeElements;
     return new ResolvedNode(node, treeElements, parameter.mirrorSystem);
   }
 }