Revert of Revert of DevTools: Introduce module initializers

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 10 matching lines @@
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-importScript("Spectrum.js");
-importScript("DOMSyntaxHighlighter.js");
-importScript("ElementsTreeOutline.js");
-importScript("EventListenersSidebarPane.js");
-importScript("MetricsSidebarPane.js");
-importScript("PlatformFontsSidebarPane.js");
-importScript("PropertiesSidebarPane.js");
-importScript("StylesSidebarPane.js");
-
 /**
  * @constructor
  * @implements {WebInspector.Searchable}
  * @implements {WebInspector.TargetManager.Observer}
  * @extends {WebInspector.Panel}
  */
 WebInspector.ElementsPanel = function()
 {
     WebInspector.Panel.call(this, "elements");
     this.registerRequiredCSS("elementsPanel.css");
@@ skipping 1549 matching lines @@
         /**
          * @suppressReceiverCheck
          * @this {Element}
          */
         function parentElement()
         {
             return this.parentElement;
         }
     }
 }