Rework library and class view pages.

runtime/bin/vmservice/client/lib/src/service/cache.dart

 // Copyright (c) 2014, 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.
 
 part of service;
 
 /// Abstract [ServiceObjectCache].
 abstract class ServiceObjectCache<T extends ServiceObject> {
   final Isolate isolate;
   final _cache = new ObservableMap<String, T>();
@@ skipping 24 matching lines @@
   operator[]=(String id, T serviceObject) {
     assert(cachesId(id));
     _cache[id] = serviceObject;
   }
 
   /// Gets [id] from the cache or makes a network request for [id].
   Future<T> get(String id) {
     assert(cachesId(id));
     T cached = _cache[id];
     if (cached != null) {
-      return new Future.value(cached);
+      return cached.load();
     }
-    return isolate.get(id).then(_addToCache);
+    return isolate.getDirect(id);
   }
 
   /// If [obj] is cached, return the cached object. Otherwise, upgrades [obj]
   /// and adds the upgraded value to the cache.
   T putIfAbsent(ObservableMap obj) {
     assert(ServiceObject.isServiceMap(obj));
     String id = obj['id'];
     var type = obj['type'];
     assert(cachesId(id));
     if (contains(id)) {
@@ skipping 71 matching lines @@
 class ClassCache extends ServiceObjectCache<ServiceMap> {
   ClassCache(Isolate isolate) : super(isolate);
 
   bool cachesId(String id) => _matcher.hasMatch(id);
   bool cachesType(String type) => ServiceObject.stripRef(type) == 'Class';
   ServiceMap _upgrade(ObservableMap obj) =>
       new ServiceMap.fromMap(isolate, obj);
 
   static final RegExp _matcher = new RegExp(r'classes/\d+$');
 }