DevTools: bake generic css files into the concatenated one.

Source/devtools/front_end/elements/ElementsPanel.js

 /*
  * Copyright (C) 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2008 Matt Lilek <webkit@mattlilek.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 30 matching lines @@
 
 /**
  * @constructor
  * @implements {WebInspector.Searchable}
  * @implements {WebInspector.TargetManager.Observer}
  * @extends {WebInspector.Panel}
  */
 WebInspector.ElementsPanel = function()
 {
     WebInspector.Panel.call(this, "elements");
-    this.registerRequiredCSS("breadcrumbList.css");
     this.registerRequiredCSS("elementsPanel.css");
-    this.registerRequiredCSS("suggestBox.css");
     this.setHideOnDetach();
 
     this._splitView = new WebInspector.SplitView(true, true, "elementsPanelSplitViewState", 325, 325);
     this._splitView.addEventListener(WebInspector.SplitView.Events.SidebarSizeChanged, this._updateTreeOutlineVisibleWidth.bind(this));
     this._splitView.show(this.element);
 
     this._searchableView = new WebInspector.SearchableView(this);
     this._searchableView.setMinimumSize(25, 19);
     this._searchableView.show(this._splitView.mainElement());
     var stackElement = this._searchableView.element;
@@ skipping 1411 matching lines @@
         /**
          * @suppressReceiverCheck
          * @this {Element}
          */
         function parentElement()
         {
             return this.parentElement;
         }
     }
 }