[DevTools] Replace usages of document with custom functions.

Source/devtools/front_end/sources/CallStackSidebarPane.js

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  *
  * 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
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 67 matching lines @@
             asyncPlacard.element.addEventListener("contextmenu", this._asyncPlacardContextMenu.bind(this, this.placards.length), true);
             asyncPlacard.element.classList.add("placard-label");
             this.bodyElement.appendChild(asyncPlacard.element);
             this._appendSidebarPlacards(asyncStackTrace.callFrames, asyncPlacard);
             asyncStackTrace = asyncStackTrace.asyncStackTrace;
         }
 
         if (topStackHidden)
             this._revealHiddenPlacards();
         if (this._hiddenPlacards) {
-            var element = document.createElementWithClass("div", "hidden-placards-message");
+            var element = createElementWithClass("div", "hidden-placards-message");
             if (this._hiddenPlacards === 1)
                 element.textContent = WebInspector.UIString("1 stack frame is hidden (black-boxed).");
             else
                 element.textContent = WebInspector.UIString("%d stack frames are hidden (black-boxed).", this._hiddenPlacards);
             element.createTextChild(" ");
             var showAllLink = element.createChild("span", "node-link");
             showAllLink.textContent = WebInspector.UIString("Show");
             showAllLink.addEventListener("click", this._revealHiddenPlacards.bind(this), false);
             this.bodyElement.insertBefore(element, this.bodyElement.firstChild);
             this._hiddenPlacardsMessageElement = element;
@@ skipping 313 matching lines @@
      */
     _update: function(uiLocation)
     {
         var text = uiLocation.linkText();
         this.subtitle = text.trimMiddle(30);
         this.subtitleElement.title = text;
     },
 
     __proto__: WebInspector.Placard.prototype
 }