Boolean properties for Accessibility Object Model Phase 1

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

Index: third_party/WebKit/Source/modules/accessibility/AXObjectCacheImpl.cpp
diff --git a/third_party/WebKit/Source/modules/accessibility/AXObjectCacheImpl.cpp b/third_party/WebKit/Source/modules/accessibility/AXObjectCacheImpl.cpp
index 0c17502098641388c189e5470a9e77f7a43e7779..7edf793630a2c3bdcf3b931f1fbc38aeaa149c7e 100644
--- a/third_party/WebKit/Source/modules/accessibility/AXObjectCacheImpl.cpp
+++ b/third_party/WebKit/Source/modules/accessibility/AXObjectCacheImpl.cpp
@@ -30,6 +30,7 @@
 
 #include "core/HTMLNames.h"
 #include "core/InputTypeNames.h"
+#include "core/dom/AccessibleNode.h"
 #include "core/dom/Document.h"
 #include "core/dom/TaskRunnerHelper.h"
 #include "core/editing/EditingUtilities.h"
@@ -1090,8 +1091,10 @@ bool isNodeAriaVisible(Node* node) {
   if (!node->isElementNode())
     return false;
 
-  return equalIgnoringASCIICase(toElement(node)->getAttribute(aria_hiddenAttr),
-                                "false");
+  bool isNull = true;
+  bool hidden = AccessibleNode::getProperty(
+      toElement(node), AOMBooleanProperty::kHidden, isNull);
+  return !isNull && !hidden;
 }
 
 void AXObjectCacheImpl::postPlatformNotification(AXObject* obj,