DevTools: hide emulation bits that are available in responsive design toolbar from the drawer.

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 340 matching lines @@
         WebInspector.domBreakpointsSidebarPane = new WebInspector.DOMBreakpointsSidebarPane();
 
         var autoselectPanel = WebInspector.UIString("a panel chosen automatically");
         var openAnchorLocationSetting = WebInspector.settings.createSetting("openLinkHandler", autoselectPanel);
         WebInspector.openAnchorLocationRegistry = new WebInspector.HandlerRegistry(openAnchorLocationSetting);
         WebInspector.openAnchorLocationRegistry.registerHandler(autoselectPanel, function() { return false; });
         WebInspector.Linkifier.setLinkHandler(new WebInspector.HandlerRegistry.LinkHandler());
 
         new WebInspector.WorkspaceController(WebInspector.workspace);
 
-        WebInspector.overridesSupport = new WebInspector.OverridesSupport();
+        WebInspector.overridesSupport = new WebInspector.OverridesSupport(WebInspector.experimentsSettings.responsiveDesign.isEnabled() && WebInspector.dockController.canDock());
 
         WebInspector.liveEditSupport = new WebInspector.LiveEditSupport(WebInspector.workspace);
         new WebInspector.CSSStyleSheetMapping(WebInspector.cssModel, WebInspector.workspace, WebInspector.networkWorkspaceBinding);
 
         // Create settings before loading modules.
         WebInspector.settings.initializeBackendSettings();
 
         this._registerModules();
         WebInspector.actionRegistry = new WebInspector.ActionRegistry();
         WebInspector.shortcutRegistry = new WebInspector.ShortcutRegistry(WebInspector.actionRegistry);
@@ skipping 462 matching lines @@
 
 WebInspector.__defineGetter__("inspectedPageURL", function()
 {
     return WebInspector.resourceTreeModel.inspectedPageURL();
 });
 
 WebInspector.panel = function(name)
 {
     return WebInspector.inspectorView.panel(name);
 }