If an element A has a parent element, then A's assigned context menu is the assigned context menu o…

Source/core/html/HTMLElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004-2008, 2013, 2014 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2011 Motorola Mobility. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 920 matching lines @@
 
 bool HTMLElement::isInteractiveContent() const
 {
     return false;
 }
 
 
 HTMLMenuElement* HTMLElement::contextMenu() const
 {
     const AtomicString& contextMenuId(fastGetAttribute(contextmenuAttr));
+    // If an element A has a parent element, then A's assigned context menu is

[tkent, 2014/11/12 07:17:21]

You should not change this function.  The specification defines 'assigned
context menu'.  This function is 'contextMenu' IDL attribute.  They are
different.

[pals, 2014/11/12 09:30:05]

Done.

+    // the assigned context menu of its parent element. Otherwise, A's assigned
+    // context menu is null.
     if (contextMenuId.isNull())
-        return nullptr;
+        return parentElement() ? toHTMLElement(parentElement())->contextMenu() : nullptr;

[tkent, 2014/11/12 07:17:21]

This line has a bad cast.  parentElement might not be an HTMLElement.

[pals, 2014/11/12 09:30:05]

Done.

 
     Element* element = treeScope().getElementById(contextMenuId);
     // Not checking if the menu element is of type "popup".
     // Ignoring menu element type attribute is intentional according to the standard.
     return isHTMLMenuElement(element) ? toHTMLMenuElement(element) : nullptr;
 }
 
 void HTMLElement::setContextMenu(HTMLMenuElement* contextMenu)
 {
     if (!contextMenu) {
@@ skipping 73 matching lines @@
 #ifndef NDEBUG
 
 // For use in the debugger
 void dumpInnerHTML(blink::HTMLElement*);
 
 void dumpInnerHTML(blink::HTMLElement* element)
 {
     printf("%s\n", element->innerHTML().ascii().data());
 }
 #endif