Improve script display in the observatory.

runtime/bin/vmservice/client/lib/src/app/application.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.
 
 part of app;
 
 /// The observatory application. Instances of this are created and owned
 /// by the observatory_application custom element.
 class ObservatoryApplication extends Observable {
   static ObservatoryApplication app;
@@ skipping 99 matching lines @@
     lastErrorOrException = exception;
     if (exception.kind == 'NetworkException') {
       // Got a network exception, visit the vm-connect pane.
       locationManager.go(locationManager.makeLink('/vm-connect/'));
     } else {
       _visit('error/', null);
     }
   }
 
   void _visit(String url, String args) {
-    // TODO(johnmccutchan): Pass [args] to pane.
+    var argsMap;
+    if (args == null) {
+      argsMap = {};
+    } else {
+      argsMap = Uri.splitQueryString(args);
+    }
     for (var i = 0; i < _paneRegistry.length; i++) {
       var pane = _paneRegistry[i];
       if (pane.canVisit(url)) {
         _installPane(pane);
-        pane.visit(url);
+        pane.visit(url, argsMap);
         return;
       }
     }
     throw new FallThroughError();
   }
 
   /// Set the Observatory application pane.
   void _installPane(Pane pane) {
     assert(pane != null);
     if (_currentPane == pane) {
@@ skipping 40 matching lines @@
 
   _vmDisconnected(VM vm) {
     if (this.vm != vm) {
       // This disconnect event occured *after* a new VM was installed.
       return;
     }
     this.vm = null;
     locationManager.go(locationManager.makeLink('/vm-connect/'));
   }
 }