[DevTools] Replace usages of document with custom functions.

Source/devtools/front_end/resources/ApplicationCacheItemsView.js

 /*
  * Copyright (C) 2010 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 23 matching lines @@
     this._model = model;
 
     this.element.classList.add("storage-view");
     this.element.classList.add("table");
 
     // FIXME: Needs better tooltip. (Localized)
     this.deleteButton = new WebInspector.StatusBarButton(WebInspector.UIString("Delete"), "delete-storage-status-bar-item");
     this.deleteButton.visible = false;
     this.deleteButton.addEventListener("click", this._deleteButtonClicked, this);
 
-    this.connectivityIcon = document.createElement("div");
-    this.connectivityMessage = document.createElement("span");
+    this.connectivityIcon = createElement("div");
+    this.connectivityMessage = createElement("span");
     this.connectivityMessage.className = "storage-application-cache-connectivity";
     this.connectivityMessage.textContent = "";
 
-    this.divider = document.createElement("span");
+    this.divider = createElement("span");
     this.divider.className = "status-bar-item status-bar-divider";
 
-    this.statusIcon = document.createElement("div");
-    this.statusMessage = document.createElement("span");
+    this.statusIcon = createElement("div");
+    this.statusMessage = createElement("span");
     this.statusMessage.className = "storage-application-cache-status";
     this.statusMessage.textContent = "";
 
     this._frameId = frameId;
 
     this._emptyView = new WebInspector.EmptyView(WebInspector.UIString("No Application Cache information available."));
     this._emptyView.show(this.element);
 
     this._markDirty();
 
@@ skipping 196 matching lines @@
     _deleteCallback: function(node)
     {
         // FIXME: Should we delete a single (selected) resource or all resources?
         // InspectorBackend.deleteCachedResource(...)
         // this._update();
     },
 
     __proto__: WebInspector.VBox.prototype
 }