Omnibus Observatory UI fixes:

runtime/observatory/lib/src/elements/source_inset.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 source_inset_element;
 
 import 'dart:html';
 import 'dart:async';
 import 'package:observatory/models.dart' as M;
 import 'package:observatory/src/elements/helpers/rendering_scheduler.dart';
 import 'package:observatory/src/elements/helpers/tag.dart';
 import 'package:observatory/src/elements/script_inset.dart';
 
 class SourceInsetElement extends HtmlElement implements Renderable {
   static const tag = const Tag<SourceInsetElement>('source-inset');
 
   RenderingScheduler _r;
 
   Stream<RenderedEvent<SourceInsetElement>> get onRendered => _r.onRendered;
 
   M.IsolateRef _isolate;
   M.SourceLocation _location;
   M.ScriptRepository _scripts;
-  M.InstanceRepository _instances;
+  M.ObjectRepository _objects;
   M.EventRepository _events;
   int _currentPos;
   bool _inDebuggerContext;
   Iterable _variables;
 
   M.IsolateRef get isolate => _isolate;
   M.SourceLocation get location => _location;
 
   factory SourceInsetElement(
       M.IsolateRef isolate,
       M.SourceLocation location,
       M.ScriptRepository scripts,
-      M.InstanceRepository instances,
+      M.ObjectRepository objects,
       M.EventRepository events,
       {int currentPos,
       bool inDebuggerContext: false,
       Iterable variables: const [],
       RenderingQueue queue}) {
     assert(isolate != null);
     assert(location != null);
     assert(scripts != null);
-    assert(instances != null);
+    assert(objects != null);
     assert(events != null);
     assert(inDebuggerContext != null);
     assert(variables != null);
     SourceInsetElement e = document.createElement(tag.name);
     e._r = new RenderingScheduler(e, queue: queue);
     e._isolate = isolate;
     e._location = location;
     e._scripts = scripts;
-    e._instances = instances;
+    e._objects = objects;
     e._events = events;
     e._currentPos = currentPos;
     e._inDebuggerContext = inDebuggerContext;
     e._variables = variables;
     return e;
   }
 
   SourceInsetElement.created() : super.created();
 
   @override
   void attached() {
     super.attached();
     _r.enable();
   }
 
   @override
   void detached() {
     super.detached();
     children = [];
     _r.disable(notify: true);
   }
 
   void render() {
     children = [
       new ScriptInsetElement(
-          _isolate, _location.script, _scripts, _instances, _events,
+          _isolate, _location.script, _scripts, _objects, _events,
           startPos: _location.tokenPos,
           endPos: _location.endTokenPos,
           currentPos: _currentPos,
           inDebuggerContext: _inDebuggerContext,
           variables: _variables,
           queue: _r.queue)
     ];
   }
 }