[DevTools] Remove remaining usages of global properties.

Source/devtools/front_end/ui/SoftContextMenu.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:
  * 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 20 matching lines @@
  */
 WebInspector.SoftContextMenu = function(items, itemSelectedCallback, parentMenu)
 {
     this._items = items;
     this._itemSelectedCallback = itemSelectedCallback;
     this._parentMenu = parentMenu;
 }
 
 WebInspector.SoftContextMenu.prototype = {
     /**
+     * @param {!Document} document
      * @param {number} x
      * @param {number} y
      */
-    show: function(x, y)
+    show: function(document, x, y)
     {
+        this._document = document;
         this._x = x;
         this._y = y;
         this._time = new Date().getTime();
 
         // Create context menu.
         this._contextMenuElement = createElementWithClass("div", "soft-context-menu");
         this._contextMenuElement.tabIndex = 0;
         this._contextMenuElement.style.top = y + "px";
         this._contextMenuElement.style.left = x + "px";
 
@@ skipping 127 matching lines @@
     _showSubMenu: function(menuItemElement)
     {
         if (menuItemElement._subMenuTimer) {
             clearTimeout(menuItemElement._subMenuTimer);
             delete menuItemElement._subMenuTimer;
         }
         if (this._subMenu)
             return;
 
         this._subMenu = new WebInspector.SoftContextMenu(menuItemElement._subItems, this._itemSelectedCallback, this);
-        this._subMenu.show(this._x + menuItemElement.offsetWidth - 3, this._y + menuItemElement.offsetTop - 1);
+        this._subMenu.show(this._document, this._x + menuItemElement.offsetWidth - 3, this._y + menuItemElement.offsetTop - 1);
     },
 
     _hideSubMenu: function()
     {
         if (!this._subMenu)
             return;
         this._subMenu._discardSubMenus();
         this._focus();
     },
 
@@ skipping 104 matching lines @@
      * @param {!Event=} event
      */
     _discardMenu: function(closeParentMenus, event)
     {
         if (this._subMenu && !closeParentMenus)
             return;
         if (this._glassPaneElement) {
             var glassPane = this._glassPaneElement;
             delete this._glassPaneElement;
             // This can re-enter discardMenu due to blur.
-            document.body.removeChild(glassPane);
+            this._document.body.removeChild(glassPane);
             if (this._parentMenu) {
                 delete this._parentMenu._subMenu;
                 if (closeParentMenus)
                     this._parentMenu._discardMenu(closeParentMenus, event);
             }
 
             if (event)
                 event.consume(true);
         } else if (this._parentMenu && this._contextMenuElement.parentElement) {
             this._discardSubMenus();
             if (closeParentMenus)
                 this._parentMenu._discardMenu(closeParentMenus, event);
 
             if (event)
                 event.consume(true);
         }
     },
 
     _discardSubMenus: function()
     {
         if (this._subMenu)
             this._subMenu._discardSubMenus();
         this._contextMenuElement.remove();
         if (this._parentMenu)
             delete this._parentMenu._subMenu;
     }
 }