DevTools: Enable devtools extensions support in the worker frontend

Source/devtools/front_end/main/Main.js

 /*
  * Copyright (C) 2006, 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2007 Matt Lilek (pewtermoose@gmail.com).
  * Copyright (C) 2009 Joseph Pecoraro
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
@@ skipping 174 matching lines @@
 
         // FIXME: define html-per-app, make configuration a part of the app.
         var configuration = ["main", "elements", "network", "sources", "timeline", "profiler", "resources", "audits", "console", "source_frame", "extensions", "settings"];
         if (WebInspector.experimentsSettings.layersPanel.isEnabled())
             configuration.push("layers");
         if (WebInspector.experimentsSettings.devicesPanel.isEnabled() && !!WebInspector.queryParam("can_dock"))
             configuration.push("devices");
         if (WebInspector.experimentsSettings.documentation.isEnabled())
             configuration.push("documentation");
         if (WebInspector.isWorkerFrontend())
-            configuration = ["main", "sources", "timeline", "profiler", "console", "source_frame"];
+            configuration = ["main", "sources", "timeline", "profiler", "console", "source_frame", "extensions"];
         self.runtime.registerModules(configuration);
     },
 
     _createAppUI: function()
     {
         console.timeStamp("Main._createApp");
 
         WebInspector.installPortStyles();
         if (WebInspector.queryParam("toolbarColor") && WebInspector.queryParam("textColor"))
             WebInspector.setToolbarColors(WebInspector.queryParam("toolbarColor"), WebInspector.queryParam("textColor"));
@@ skipping 694 matching lines @@
 
 WebInspector.Main.InspectedNodeRevealer.prototype = {
     /**
      * @param {!WebInspector.Event} event
      */
     _inspectNode: function(event)
     {
         WebInspector.Revealer.reveal(/** @type {!WebInspector.DOMNode} */ (event.data));
     }
 }