Add 4 ARIA 1.1 attributes using new sparse attribute interface.

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 175 matching lines @@
   if (axSparseAttributeSetterMap.isEmpty()) {
     axSparseAttributeSetterMap.set(
         aria_activedescendantAttr,
         new ObjectAttributeSetter(AXObjectAttribute::AriaActiveDescendant));
     axSparseAttributeSetterMap.set(
         aria_controlsAttr,
         new ObjectVectorAttributeSetter(AXObjectVectorAttribute::AriaControls));
     axSparseAttributeSetterMap.set(
         aria_flowtoAttr,
         new ObjectVectorAttributeSetter(AXObjectVectorAttribute::AriaFlowTo));
+    axSparseAttributeSetterMap.set(

[aboxhall, 2017/01/27 01:41:22]

This is really elegant with all of the infrastructure in place \o/

[dmazzoni, 2017/01/31 00:31:54]

:)

+        aria_detailsAttr,
+        new ObjectVectorAttributeSetter(AXObjectVectorAttribute::AriaDetails));
+    axSparseAttributeSetterMap.set(
+        aria_errormessageAttr,
+        new ObjectAttributeSetter(AXObjectAttribute::AriaErrorMessage));
+    axSparseAttributeSetterMap.set(
+        aria_keyshortcutsAttr,
+        new StringAttributeSetter(AXStringAttribute::AriaKeyShortcuts));
+    axSparseAttributeSetterMap.set(
+        aria_roledescriptionAttr,
+        new StringAttributeSetter(AXStringAttribute::AriaRoleDescription));
   }
   return axSparseAttributeSetterMap;
 }
 
 AXNodeObject::AXNodeObject(Node* node, AXObjectCacheImpl& axObjectCache)
     : AXObject(axObjectCache),
       m_ariaRole(UnknownRole),
       m_childrenDirty(false),
       m_node(node) {
 }
@@ skipping 2866 matching lines @@
     return String();
   return toTextControlElement(node)->strippedPlaceholder();
 }
 
 DEFINE_TRACE(AXNodeObject) {
   visitor->trace(m_node);
   AXObject::trace(visitor);
 }
 
 }  // namespace blink