DevTools: get rid of the global capabilities set.

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 33 matching lines @@
         this._loaded();
         window.removeEventListener("DOMContentLoaded", boundListener, false);
     }
     window.addEventListener("DOMContentLoaded", boundListener, false);
 }
 
 WebInspector.Main.prototype = {
     _registerModules: function()
     {
         var configuration;
-        if (!Capabilities.isMainFrontend) {
+        if (WebInspector.isWorkerFrontend()) {
             configuration = ["main", "sources", "timeline", "profiler", "console", "source_frame"];
         } else {
             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.targetManager.activeTarget().isMobile())
                 configuration.push("devices");
         }
         WebInspector.moduleManager.registerModules(configuration);
     },
@@ skipping 74 matching lines @@
             RuntimeAgent.isRunRequired(isRunRequiredCallback.bind(this));
         }
 
         /**
          * @this {WebInspector.Main}
          */
         function isRunRequiredCallback(error, result)
         {
             if (result) {
                 pauseAndResume.call(this);
-            } else if (!Capabilities.isMainFrontend) {
+            } else if (WebInspector.isWorkerFrontend()) {
                 calculateTitle.call(this);
             }
         }
 
         /**
          * @this {WebInspector.Main}
          */
         function pauseAndResume()
         {
             DebuggerAgent.pause();
@@ skipping 107 matching lines @@
 
     /**
      * @param {!WebInspector.Target} mainTarget
      */
     _mainTargetCreated: function(mainTarget)
     {
         console.timeStamp("Main._mainTargetCreated");
         WebInspector.dockController = new WebInspector.DockController(!!WebInspector.queryParam("can_dock"));
         WebInspector.overridesSupport = new WebInspector.OverridesSupport(WebInspector.dockController.canDock());
 
-        if (mainTarget.canScreencast)
+        if (mainTarget.hasCapability(WebInspector.Target.Capabilities.canScreencast))
             WebInspector.app = new WebInspector.ScreencastApp();
         else if (WebInspector.dockController.canDock())
             WebInspector.app = new WebInspector.AdvancedApp();
         else
             WebInspector.app = new WebInspector.SimpleApp();
 
         WebInspector.dockController.initialize();
 
         WebInspector.shortcutsScreen = new WebInspector.ShortcutsScreen();
         this._registerShortcuts();
 
         // set order of some sections explicitly
         WebInspector.shortcutsScreen.section(WebInspector.UIString("Console"));
         WebInspector.shortcutsScreen.section(WebInspector.UIString("Elements Panel"));
 
         if (WebInspector.experimentsSettings.workersInMainWindow.isEnabled())
             WebInspector.workerTargetManager = new WebInspector.WorkerTargetManager(mainTarget, WebInspector.targetManager);
 
         InspectorBackend.registerInspectorDispatcher(this);
 
-        if (Capabilities.isMainFrontend) {
+        if (!WebInspector.isWorkerFrontend()) {
             WebInspector.inspectElementModeController = new WebInspector.InspectElementModeController();
             WebInspector.workerFrontendManager = new WebInspector.WorkerFrontendManager();
         } else {
             mainTarget.workerManager.addEventListener(WebInspector.WorkerManager.Events.WorkerDisconnected, onWorkerDisconnected);
         }
 
         function onWorkerDisconnected()
         {
             var screen = new WebInspector.WorkerTerminatedScreen();
             var listener = hideScreen.bind(null, screen);
@@ skipping 583 matching lines @@
         var targets = WebInspector.targetManager.targets();
         for (var i = 0; i < targets.length; ++i)
             targets[i].debuggerModel.removeEventListener(WebInspector.DebuggerModel.Events.DebuggerPaused, this._debuggerPaused, this);
 
         var debuggerModel = /** @type {!WebInspector.DebuggerModel} */ (event.target);
         WebInspector.context.setFlavor(WebInspector.Target, debuggerModel.target());
         WebInspector.targetManager.unobserveTargets(this);
         WebInspector.inspectorView.showPanel("sources");
     }
 }