Workaround for 8455

pkg/browser/lib/dart.js

 // Copyright (c) 2012, 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.
 
 // Bootstrap support for Dart scripts on the page as this script.
 if (navigator.webkitStartDart) {
   if (!navigator.webkitStartDart()) {
     document.body.innerHTML = 'This build has expired.  Please download a new Dartium at http://www.dartlang.org/dartium/index.html';
   }
 } else {
   // TODO:
   // - Support in-browser compilation.
   // - Handle inline Dart scripts.
   window.addEventListener("DOMContentLoaded", function (e) {
     // Fall back to compiled JS. Run through all the scripts and
     // replace them if they have a type that indicate that they source
     // in Dart code.
     //
     //   <script type="application/dart" src="..."></script>
     //
     var scripts = document.getElementsByTagName("script");
     var length = scripts.length;
     for (var i = 0; i < length; ++i) {
       if (scripts[i].type == "application/dart") {
         // Remap foo.dart to foo.dart.js.
         if (scripts[i].src && scripts[i].src != '') {
           var script = document.createElement('script');
           script.src = scripts[i].src.replace(/\.dart(?=\?|$)/, '.dart.js');
           var parent = scripts[i].parentNode;
+          // TODO(vsm): Find a solution for issue 8455 that works with more
+          // than one script.
+          document.currentScript = script;
           parent.replaceChild(script, scripts[i]);
         }
       }
     }
   }, false);
 }
 
 // ---------------------------------------------------------------------------
 // Experimental support for JS interoperability
 // ---------------------------------------------------------------------------
@@ skipping 200 matching lines @@
     var result = null;
     var listener = function (e) {
       result = JSON.parse(getPortSyncEventData(e));
     };
     window.addEventListener(source, listener, false);
     dispatchEvent(target, [source, serialized]);
     window.removeEventListener(source, listener, false);
     return deserialize(result);
   }
 })();