Implement computedRole and computedName (behind a flag)

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 35 matching lines @@
 #include "core/rendering/RenderObject.h"
 #include "modules/accessibility/AXObjectCacheImpl.h"
 #include "platform/UserGestureIndicator.h"
 #include "wtf/text/StringBuilder.h"
 
 
 namespace blink {
 
 using namespace HTMLNames;
 
-AXNodeObject::AXNodeObject(Node* node)
-    : AXObject()
+AXNodeObject::AXNodeObject(Node* node, AXObjectCache* axObjectCache)
+    : AXObject(axObjectCache)
     , m_ariaRole(UnknownRole)
     , m_childrenDirty(false)
 #if ENABLE(ASSERT)
     , m_initialized(false)
 #endif
     , m_node(node)
 {
 }
 
-PassRefPtr<AXNodeObject> AXNodeObject::create(Node* node)
+PassRefPtr<AXNodeObject> AXNodeObject::create(Node* node, AXObjectCache* axObjectCache)
 {
-    return adoptRef(new AXNodeObject(node));
+    return adoptRef(new AXNodeObject(node, axObjectCache));
 }
 
 AXNodeObject::~AXNodeObject()
 {
     ASSERT(isDetached());
 }
 
 // This function implements the ARIA accessible name as described by the Mozilla
 // ARIA Implementer's Guide.
 static String accessibleNameForNode(Node* node)
@@ skipping 1753 matching lines @@
     float range = maxValueForRange() - minValueForRange();
     float value = valueForRange();
 
     value += range * (percentChange / 100);
     setValue(String::number(value));
 
     axObjectCache()->postNotification(node(), AXObjectCacheImpl::AXValueChanged, true);
 }
 
 } // namespace blink