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

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

 /*
  * Copyright (C) 2014, 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
@@ skipping 333 matching lines @@
 AXObject* AXObjectCacheImpl::getOrCreate(Node* node) {
   if (!node)
     return 0;
 
   if (AXObject* obj = get(node))
     return obj;
 
   // If the node has a layout object, prefer using that as the primary key for
   // the AXObject, with the exception of an HTMLAreaElement, which is created
   // based on its node.
-  if (node->layoutObject() && !isHTMLAreaElement(node))
+  if (node->layoutObject() && !isHTMLAreaElement(node)) {
     return getOrCreate(node->layoutObject());
+  }
 
-  if (!node->parentElement())
+  if (!node->parentElement()) {
     return 0;
+  }
 
   if (isHTMLHeadElement(node))
     return 0;
 
   AXObject* newObj = createFromNode(node);
 
   // Will crash later if we have two objects for the same node.
   ASSERT(!get(node));
 
   getAXID(newObj);
@@ skipping 884 matching lines @@
   visitor->trace(m_document);
   visitor->trace(m_nodeObjectMapping);
 
   visitor->trace(m_objects);
   visitor->trace(m_notificationsToPost);
 
   AXObjectCache::trace(visitor);
 }
 
 }  // namespace blink