Boolean properties for Accessibility Object Model Phase 1

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

Index: third_party/WebKit/Source/modules/accessibility/AXLayoutObject.cpp
diff --git a/third_party/WebKit/Source/modules/accessibility/AXLayoutObject.cpp b/third_party/WebKit/Source/modules/accessibility/AXLayoutObject.cpp
index 5b27c4762de74bb75c79991c9efd0c2889582e7a..0068625a8e7343d398fa9e156a6b68b4231bd014 100644
--- a/third_party/WebKit/Source/modules/accessibility/AXLayoutObject.cpp
+++ b/third_party/WebKit/Source/modules/accessibility/AXLayoutObject.cpp
@@ -458,8 +458,7 @@ bool AXLayoutObject::isSelected() const {
   if (!getLayoutObject() || !getNode())
     return false;
 
-  const AtomicString& ariaSelected = getAttribute(aria_selectedAttr);
-  if (equalIgnoringASCIICase(ariaSelected, "true"))
+  if (AOMPropertyOrARIAAttributeIsTrue(AOMBooleanProperty::kSelected))
     return true;
 
   AXObject* focusedObject = axObjectCache().focusedObject();
@@ -492,7 +491,7 @@ AXObjectInclusion AXLayoutObject::defaultObjectInclusion(
   if (m_layoutObject->style()->visibility() != EVisibility::kVisible) {
     // aria-hidden is meant to override visibility as the determinant in AX
     // hierarchy inclusion.
-    if (equalIgnoringASCIICase(getAttribute(aria_hiddenAttr), "false"))
+    if (AOMPropertyOrARIAAttributeIsFalse(AOMBooleanProperty::kHidden))
       return DefaultBehavior;
 
     if (ignoredReasons)
@@ -1363,17 +1362,17 @@ const AtomicString& AXLayoutObject::liveRegionRelevant() const {
 }
 
 bool AXLayoutObject::liveRegionAtomic() const {
+  bool atomic = false;
+  if (getAOMPropertyOrARIAAttribute(AOMBooleanProperty::kAtomic, atomic))
+    return atomic;
+
   // ARIA roles "alert" and "status" should have an implicit aria-atomic value
   // of true.
-  if (getAttribute(aria_atomicAttr).isEmpty() &&
-      (roleValue() == AlertRole || roleValue() == StatusRole)) {
-    return true;
-  }
-  return elementAttributeValue(aria_atomicAttr);
+  return roleValue() == AlertRole || roleValue() == StatusRole;
 }
 
 bool AXLayoutObject::liveRegionBusy() const {
-  return elementAttributeValue(aria_busyAttr);
+  return AOMPropertyOrARIAAttributeIsTrue(AOMBooleanProperty::kBusy);
 }
 
 //