[DevTools] Accessibility: Show siblings and children of selected node

third_party/WebKit/Source/modules/accessibility/AXLayoutObject.cpp

 /*
 * Copyright (C) 2008 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
@@ skipping 1399 matching lines @@
 
   // menuButton and its corresponding menu are DOM siblings, but Accessibility
   // needs them to be parent/child.
   if (ariaRoleAttribute() == MenuRole) {
     AXObject* parent = menuButtonForMenu();
     if (parent)
       return parent;
   }
 
   LayoutObject* parentObj = layoutParentObject();
-  if (parentObj)
+  if (parentObj) {
     return axObjectCache().getOrCreate(parentObj);
+  }
 
   // A WebArea's parent should be the page popup owner, if any, otherwise null.
   if (isWebArea()) {
     LocalFrame* frame = m_layoutObject->frame();
     return axObjectCache().getOrCreate(frame->pagePopupOwner());
   }
 
   return 0;
 }
 
@@ skipping 1013 matching lines @@
 
 bool AXLayoutObject::elementAttributeValue(
     const QualifiedName& attributeName) const {
   if (!m_layoutObject)
     return false;
 
   return equalIgnoringCase(getAttribute(attributeName), "true");
 }
 
 }  // namespace blink