Use the great new Devtools API for custom formatters. Now Dart objects are now generally as easy to…

lib/runtime/dart_library.js

 // Copyright (c) 2015, 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.
 
 /* This file defines the module loader for the dart runtime.
 */
 
 var dart_library =
   typeof module != "undefined" && module.exports || {};
 
@@ skipping 129 matching lines @@
     }
 
     // TODO(vsm): DOM facades?
     // See: https://github.com/dart-lang/dev_compiler/issues/173
     if (typeof NodeList !== "undefined") {
       NodeList.prototype.get = function(i) { return this[i]; };
       NamedNodeMap.prototype.get = function(i) { return this[i]; };
       DOMTokenList.prototype.get = function(i) { return this[i]; };
       HTMLCollection.prototype.get = function(i) { return this[i]; };
     }
+
+    // This import is only needed for chrome debugging. We should provide an
+    // option to compile without it.
+    var devtoolsDebugger = import_('dart/_debugger');
+    devtoolsDebugger.registerDevtoolsFormatter();
   }
 
 })(dart_library);