Implement the inert attribute

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

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "modules/accessibility/InspectorAccessibilityAgent.h"
 
 #include "core/HTMLNames.h"
 #include "core/dom/AXObjectCache.h"
 #include "core/dom/DOMNodeIds.h"
 #include "core/dom/Element.h"
@@ skipping 705 matching lines @@
     child_ids->addItem(String::Number(inspected_ax_object->AxObjectID()));
     return;
   }
 
   const AXObject::AXObjectVector& children = ax_object.Children();
   for (unsigned i = 0; i < children.size(); i++) {
     AXObject& child_ax_object = *children[i].Get();
     child_ids->addItem(String::Number(child_ax_object.AxObjectID()));
     if (&child_ax_object == inspected_ax_object)
       continue;
-    if (&ax_object != inspected_ax_object &&
-        (ax_object.GetNode() ||
-         ax_object.ParentObjectUnignored() != inspected_ax_object)) {
-      continue;
+    if (&ax_object != inspected_ax_object) {
+      if (!inspected_ax_object)
+        continue;
+      if (&ax_object != inspected_ax_object->ParentObjectUnignored())
+        continue;
     }
 
     // Only add children of inspected node (or un-inspectable children of
     // inspected node) to returned nodes.
     std::unique_ptr<AXNode> child_node = BuildProtocolAXObject(
         child_ax_object, inspected_ax_object, true, nodes, cache);
     nodes->addItem(std::move(child_node));
   }
 }
 
 DEFINE_TRACE(InspectorAccessibilityAgent) {
   visitor->Trace(page_);
   visitor->Trace(dom_agent_);
   InspectorBaseAgent::Trace(visitor);
 }
 
 }  // namespace blink