Revert of Initial skeleton of Accessibility Object Model Phase 1

third_party/WebKit/Source/core/dom/AccessibleNode.cpp

-// Copyright 2017 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "core/dom/AccessibleNode.h"
-
-#include "core/dom/AXObjectCache.h"
-#include "core/dom/Element.h"
-#include "core/dom/QualifiedName.h"
-#include "core/frame/Settings.h"
-
-namespace blink {
-
-AccessibleNode::AccessibleNode(Element* element) : m_element(element) {
-  DCHECK(RuntimeEnabledFeatures::accessibilityObjectModelEnabled());
-}
-
-AccessibleNode::~AccessibleNode() {}
-
-// static
-const AtomicString& AccessibleNode::getProperty(Element* element,
-                                                AOMStringProperty property) {
-  if (!element)
-    return nullAtom;
-
-  if (AccessibleNode* accessibleNode = element->existingAccessibleNode()) {
-    for (const auto& item : accessibleNode->m_stringProperties) {
-      if (item.first == property)
-        return item.second;
-    }
-  }
-
-  // Fall back on the equivalent ARIA attribute.
-  switch (property) {
-    case AOMStringProperty::kRole:
-      return element->getAttribute(HTMLNames::roleAttr);
-    case AOMStringProperty::kLabel:
-      return element->getAttribute(HTMLNames::aria_labelAttr);
-    default:
-      NOTREACHED();
-      return nullAtom;
-  }
-}
-
-AtomicString AccessibleNode::role() const {
-  return getProperty(m_element, AOMStringProperty::kRole);
-}
-
-void AccessibleNode::setRole(const AtomicString& role) {
-  setStringProperty(AOMStringProperty::kRole, role);
-
-  // TODO(dmazzoni): Make a cleaner API for this rather than pretending
-  // the DOM attribute changed.
-  if (AXObjectCache* cache = m_element->document().axObjectCache())
-    cache->handleAttributeChanged(HTMLNames::roleAttr, m_element);
-}
-
-AtomicString AccessibleNode::label() const {
-  return getProperty(m_element, AOMStringProperty::kLabel);
-}
-
-void AccessibleNode::setLabel(const AtomicString& label) {
-  setStringProperty(AOMStringProperty::kLabel, label);
-
-  if (AXObjectCache* cache = m_element->document().axObjectCache())
-    cache->handleAttributeChanged(HTMLNames::aria_labelAttr, m_element);
-}
-
-void AccessibleNode::setStringProperty(AOMStringProperty property,
-                                       const AtomicString& value) {
-  for (auto& item : m_stringProperties) {
-    if (item.first == property) {
-      item.second = value;
-      return;
-    }
-  }
-
-  m_stringProperties.push_back(std::make_pair(property, value));
-}
-
-DEFINE_TRACE(AccessibleNode) {
-  visitor->trace(m_element);
-}
-
-}  // namespace blink