[DevTools] Replace usages of document with custom functions.

Source/devtools/front_end/components/HandlerRegistry.js

 /*
  * Copyright (C) 2011 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 192 matching lines @@
 WebInspector.HandlerRegistry.EventTypes = {
     HandlersUpdated: "HandlersUpdated"
 }
 
 /**
  * @constructor
  */
 WebInspector.HandlerSelector = function(handlerRegistry)
 {
     this._handlerRegistry = handlerRegistry;
-    this.element = document.createElementWithClass("select", "chrome-select");
+    this.element = createElementWithClass("select", "chrome-select");
     this.element.addEventListener("change", this._onChange.bind(this), false);
     this._update();
     this._handlerRegistry.addEventListener(WebInspector.HandlerRegistry.EventTypes.HandlersUpdated, this._update.bind(this));
 }
 
 WebInspector.HandlerSelector.prototype =
 {
     _update: function()
     {
         this.element.removeChildren();
         var names = this._handlerRegistry.handlerNames;
         var activeHandler = this._handlerRegistry.activeHandler;
 
         for (var i = 0; i < names.length; ++i) {
-            var option = document.createElement("option");
+            var option = createElement("option");
             option.textContent = names[i];
             option.selected = activeHandler === names[i];
             this.element.appendChild(option);
         }
         this.element.disabled = names.length <= 1;
     },
 
     _onChange: function(event)
     {
         var value = event.target.value;
@@ skipping 65 matching lines @@
         return WebInspector.SettingsUI.createCustomSetting(WebInspector.UIString("Open links in"), handlerSelector.element);
     },
 
     __proto__: WebInspector.UISettingDelegate.prototype
 }
 
 /**
  * @type {!WebInspector.HandlerRegistry}
  */
 WebInspector.openAnchorLocationRegistry;