AXRowExpanded    1695 Source/core/accessibility/AXRenderObject.cpp         axObjectCache()->postNotification(this, document(), isExpanded() ? AXObjectCache::AXRowExpanded : AXObjectCache::AXRowCollapsed, true);
AXRowExpanded     158 Source/web/AssertMatchingEnums.cpp COMPILE_ASSERT_MATCHING_ENUM(WebAXEventRowExpanded, AXObjectCache::AXRowExpanded);