Omnibus Observatory UI fixes:

runtime/observatory/lib/src/elements/eval_box.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.
 
 library eval_box_element;
 
 import 'dart:html';
 import 'dart:async';
 import 'package:observatory/models.dart' as M;
 import 'package:observatory/src/elements/helpers/any_ref.dart';
 import 'package:observatory/src/elements/helpers/rendering_scheduler.dart';
 import 'package:observatory/src/elements/helpers/tag.dart';
 import 'package:observatory/src/elements/instance_ref.dart';
 
 class EvalBoxElement extends HtmlElement implements Renderable {
   static const tag = const Tag<EvalBoxElement>('eval-box',
       dependencies: const [InstanceRefElement.tag]);
 
   RenderingScheduler<EvalBoxElement> _r;
 
   Stream<RenderedEvent<EvalBoxElement>> get onRendered => _r.onRendered;
 
   M.IsolateRef _isolate;
   M.ObjectRef _context;
-  M.InstanceRepository _instances;
+  M.ObjectRepository _objects;
   M.EvalRepository _eval;
   final _results = <_ExpressionDescription>[];
   String _expression = '';
   bool _multiline;
   Iterable<String> _quickExpressions;
 
   M.IsolateRef get isolate => _isolate;
   M.ObjectRef get context => _context;
 
   factory EvalBoxElement(M.IsolateRef isolate, M.ObjectRef context,
-      M.InstanceRepository instances, M.EvalRepository eval,
+      M.ObjectRepository objects, M.EvalRepository eval,
       {bool multiline: false,
       Iterable<String> quickExpressions: const [],
       RenderingQueue queue}) {
     assert(isolate != null);
     assert(context != null);
-    assert(instances != null);
+    assert(objects != null);
     assert(eval != null);
     assert(multiline != null);
     assert(quickExpressions != null);
     EvalBoxElement e = document.createElement(tag.name);
     e._r = new RenderingScheduler(e, queue: queue);
     e._isolate = isolate;
     e._context = context;
-    e._instances = instances;
+    e._objects = objects;
     e._eval = eval;
     e._multiline = multiline;
     e._quickExpressions = new List.unmodifiable(quickExpressions);
     return e;
   }
 
   EvalBoxElement.created() : super.created();
 
   @override
   void attached() {
@@ skipping 47 matching lines @@
                       ..onClick.listen((_) {
                         _expression = result.expression;
                         _r.dirty();
                       })
                   ],
                 new TableCellElement()
                   ..classes = ['historyValue']
                   ..children = [
                     result.isPending
                         ? (new SpanElement()..text = 'Pending...')
-                        : anyRef(_isolate, result.value, _instances,
+                        : anyRef(_isolate, result.value, _objects,
                             queue: _r.queue)
                   ],
                 new TableCellElement()
                   ..classes = ['historyDelete']
                   ..children = [
                     new ButtonElement()
                       ..text = '✖ Remove'
                       ..onClick.listen((_) {
                         _results.remove(result);
                         _r.dirty();
@@ skipping 70 matching lines @@
 }
 
 class _ExpressionDescription {
   final String expression;
   final M.ObjectRef value;
   bool get isPending => value == null;
 
   _ExpressionDescription(this.expression, this.value);
   _ExpressionDescription.pending(this.expression) : value = null;
 }