Remove unused code.

pkg/analyzer/lib/src/dart/analysis/driver.dart

 // Copyright (c) 2016, 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.
 
 import 'dart:async';
 import 'dart:collection';
 import 'dart:convert';
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/ast/token.dart';
@@ skipping 430 matching lines @@
       _LibraryNode libraryNode = nodes[libraryFile.uri.toString()];
 
       Set<String> libraryUrisToLink = new Set<String>();
       int numberOfNodesWithLinked = 0;
       _logger.runTimed2(() {
         for (_LibraryNode node in nodes.values) {
           String key = '${node.linkedHash}.linked';
           List<int> bytes = _byteStore.get(key);
           if (bytes != null) {
             PackageBundle linked = new PackageBundle.fromBuffer(bytes);
-            node.linked = linked;
             store.addBundle(null, linked);
             numberOfNodesWithLinked++;
           } else {
             libraryUrisToLink.add(node.uri.toString());
           }
         }
       }, () => 'Loaded $numberOfNodesWithLinked linked bundles');
 
       Map<String, LinkedLibraryBuilder> linkedLibraries = {};
       _logger.runTimed2(() {
@@ skipping 15 matching lines @@
       linkedLibraries.forEach((uri, linkedBuilder) {
         _LibraryNode node = nodes[uri];
         String key = '${node.linkedHash}.linked';
         List<int> bytes;
         {
           PackageBundleAssembler assembler = new PackageBundleAssembler();
           assembler.addLinkedLibrary(uri, linkedBuilder);
           bytes = assembler.assemble().toBuffer();
         }
         PackageBundle linked = new PackageBundle.fromBuffer(bytes);
-        node.linked = linked;
         store.addBundle(null, linked);
         _byteStore.put(key, bytes);
       });
 
       return new LibraryContext(libraryFile, libraryNode, store);
     });
   }
 
   /**
    * Return the [_File] for the given [path] in [_sourceFactory].
@@ skipping 353 matching lines @@
 class _LibraryNode {
   final AnalysisDriver driver;
   final Map<String, _LibraryNode> nodes;
   final Uri uri;
   final List<PackageBundle> unlinkedBundles = <PackageBundle>[];
 
   Set<_LibraryNode> transitiveDependencies;
   List<_LibraryNode> _dependencies;
   String _linkedHash;
 
-  List<int> linkedNewBytes;
-  PackageBundle linked;
-
   _LibraryNode(this.driver, this.nodes, this.uri);
 
   /**
    * Retrieve the dependencies of this node.
    */
   List<_LibraryNode> get dependencies {
     if (_dependencies == null) {
       Set<_LibraryNode> dependencies = new Set<_LibraryNode>();
 
       void appendDependency(String uriStr) {
@@ skipping 28 matching lines @@
       }
 
       _dependencies = dependencies.toList();
     }
     return _dependencies;
   }
 
   @override
   int get hashCode => uri.hashCode;
 
-  bool get isReady => linked != null;
-
   String get linkedHash {
     _linkedHash ??= driver._linkedHashMap.putIfAbsent(uri, () {
       computeTransitiveDependencies();
 
       // Add all unlinked API signatures.
       List<String> signatures = <String>[];
       signatures.add(driver._sdkBundle.apiSignature);
       transitiveDependencies
           .map((node) => node.unlinkedBundles)
           .expand((bundles) => bundles)
@@ skipping 24 matching lines @@
         }
       }
 
       appendDependencies(this);
     }
   }
 
   @override
   String toString() => uri.toString();
 }