[DevTools] Replace usages of document with custom functions.

Source/devtools/front_end/timeline/PaintProfilerView.js

 /*
  * Copyright (C) 2013 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 388 matching lines @@
             if (str)
                 str += ", ";
             str += this._paramToString(params[key], key);
         }
         return str;
     },
 
     _update: function()
     {
         var logItem = this.representedObject;
-        var title = document.createDocumentFragment();
+        var title = createDocumentFragment();
         title.createChild("div", "selection");
         title.createTextChild(logItem.method + "(" + this._paramsToString(logItem.params) + ")");
         this.title = title;
     },
 
     /**
      * @param {boolean} hovered
      */
     setHovered: function(hovered)
     {
@@ skipping 47 matching lines @@
     if (value && typeof value === "object") {
         for (var property in value)
             WebInspector.LogPropertyTreeElement._appendLogPropertyItem(treeElement, property, value[property]);
     }
 };
 
 WebInspector.LogPropertyTreeElement.prototype = {
     onattach: function()
     {
         var property = this.representedObject;
-        var title = document.createDocumentFragment();
+        var title = createDocumentFragment();
         title.createChild("div", "selection");
         var nameElement = title.createChild("span", "name");
         nameElement.textContent = property.name;
         var separatorElement = title.createChild("span", "separator");
         separatorElement.textContent = ": ";
         if (property.value === null || typeof property.value !== "object") {
             var valueElement = title.createChild("span", "value");
             valueElement.textContent = JSON.stringify(property.value);
             valueElement.classList.add("console-formatted-" + property.value === null ? "null" : typeof property.value);
         }
@@ skipping 93 matching lines @@
     var method = logItem.method.toTitleCase();
 
     var logItemCategories = WebInspector.PaintProfilerView._initLogItemCategories();
     var result = logItemCategories[method];
     if (!result) {
         result = WebInspector.PaintProfilerView.categories()["misc"];
         logItemCategories[method] = result;
     }
     return result;
 }