Re-land: Initial skeleton of Accessibility Object Model Phase 1

third_party/WebKit/Source/core/dom/Element.h

Index: third_party/WebKit/Source/core/dom/Element.h
diff --git a/third_party/WebKit/Source/core/dom/Element.h b/third_party/WebKit/Source/core/dom/Element.h
index 49c1835939fd3eac22b2466ea1af8c222c488c23..379218fd5eda7edb42d7f12dde4d0d9a22a56e2f 100644
--- a/third_party/WebKit/Source/core/dom/Element.h
+++ b/third_party/WebKit/Source/core/dom/Element.h
@@ -42,6 +42,7 @@
 namespace blink {
 
 class ElementAnimations;
+class AccessibleNode;
 class Attr;
 class Attribute;
 class CSSStyleDeclaration;
@@ -255,6 +256,9 @@ class CORE_EXPORT Element : public ContainerNode {
   const AtomicString& computedRole();
   String computedName();
 
+  AccessibleNode* existingAccessibleNode() const;
+  AccessibleNode* accessibleNode();
+
   void didMoveToNewDocument(Document&) override;
 
   void removeAttribute(const AtomicString& name);