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

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

 /*
  * Copyright (C) 2012, 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 1869 matching lines @@
     parentNode = toHTMLOptionElement(node)->ownerSelectElement();
 
   if (!parentNode)
     parentNode = node->parentNode();
 
   return parentNode;
 }
 
 AXObject* AXNodeObject::computeParent() const {
   ASSERT(!isDetached());
-  if (Node* parentNode = getParentNodeForComputeParent(getNode()))
+  if (Node* parentNode = getParentNodeForComputeParent(getNode())) {
     return axObjectCache().getOrCreate(parentNode);
+  }
 
   return nullptr;
 }
 
 AXObject* AXNodeObject::computeParentIfExists() const {
   if (Node* parentNode = getParentNodeForComputeParent(getNode()))
     return axObjectCache().get(parentNode);
 
   return nullptr;
 }
@@ skipping 1052 matching lines @@
   }
   return placeholder;
 }
 
 DEFINE_TRACE(AXNodeObject) {
   visitor->trace(m_node);
   AXObject::trace(visitor);
 }
 
 }  // namespace blink