[DevTools] Accessibility: Show siblings and children of selected node

third_party/WebKit/Source/modules/accessibility/InspectorAccessibilityAgent.h

Index: third_party/WebKit/Source/modules/accessibility/InspectorAccessibilityAgent.h
diff --git a/third_party/WebKit/Source/modules/accessibility/InspectorAccessibilityAgent.h b/third_party/WebKit/Source/modules/accessibility/InspectorAccessibilityAgent.h
index b0eb77ce18e23eae8914db0c6aaf3e34fb0ae9cd..d3aa5a1f1b2709dce9440ffafdc3ecb26245db0f 100644
--- a/third_party/WebKit/Source/modules/accessibility/InspectorAccessibilityAgent.h
+++ b/third_party/WebKit/Source/modules/accessibility/InspectorAccessibilityAgent.h
@@ -12,6 +12,7 @@
 namespace blink {
 
 class AXObject;
+class AXObjectCacheImpl;
 class InspectorDOMAgent;
 class Page;
 
@@ -26,9 +27,9 @@ class MODULES_EXPORT InspectorAccessibilityAgent
   DECLARE_VIRTUAL_TRACE();
 
   // Protocol methods.
-  Response getAXNodeChain(
+  Response getPartialAXTree(
       int domNodeId,
-      bool fetchAncestors,
+      Maybe<bool> fetchRelatives,
       std::unique_ptr<protocol::Array<protocol::Accessibility::AXNode>>*)
       override;
 
@@ -38,10 +39,67 @@ class MODULES_EXPORT InspectorAccessibilityAgent
 
   std::unique_ptr<protocol::Accessibility::AXNode> buildObjectForIgnoredNode(
       Node* domNode,
-      AXObject*) const;
+      AXObject*,
+      bool fetchRelatives,
+      std::unique_ptr<protocol::Array<protocol::Accessibility::AXNode>>& nodes,
+      AXObjectCacheImpl&) const;
+  void populateDOMNodeRelatives(
+      Node& inspectedDOMNode,
+      protocol::Accessibility::AXNode&,
+      std::unique_ptr<protocol::Array<protocol::Accessibility::AXNode>>& nodes,
+      AXObjectCacheImpl&) const;
+  void findDOMNodeChildren(
+      std::unique_ptr<protocol::Array<protocol::Accessibility::AXNodeId>>&
+          childIds,
+      Node& parentNode,
+      Node& inspectedDOMNode,
+      std::unique_ptr<protocol::Array<protocol::Accessibility::AXNode>>& nodes,
+      AXObjectCacheImpl&) const;
   std::unique_ptr<protocol::Accessibility::AXNode> buildProtocolAXObject(
-      AXObject&) const;
-  void fillCoreProperties(AXObject&, protocol::Accessibility::AXNode&) const;
+      AXObject&,
+      AXObject* inspectedAXObject,
+      bool fetchRelatives,
+      std::unique_ptr<protocol::Array<protocol::Accessibility::AXNode>>& nodes,
+      AXObjectCacheImpl&) const;
+  void fillCoreProperties(
+      AXObject&,
+      AXObject* inspectedAXObject,
+      bool fetchRelatives,
+      protocol::Accessibility::AXNode&,
+      std::unique_ptr<protocol::Array<protocol::Accessibility::AXNode>>& nodes,
+      AXObjectCacheImpl&) const;
+  void addAncestors(
+      AXObject& firstAncestor,
+      AXObject* inspectedAXObject,
+      std::unique_ptr<protocol::Array<protocol::Accessibility::AXNode>>& nodes,
+      AXObjectCacheImpl&) const;
+  void populateRelatives(
+      AXObject&,
+      AXObject* inspectedAXObject,
+      protocol::Accessibility::AXNode&,
+      std::unique_ptr<protocol::Array<protocol::Accessibility::AXNode>>& nodes,
+      AXObjectCacheImpl&) const;
+  void addSiblingsOfIgnored(
+      std::unique_ptr<protocol::Array<protocol::Accessibility::AXNodeId>>&
+          childIds,
+      AXObject& parentAXObject,
+      AXObject* inspectedAXObject,
+      std::unique_ptr<protocol::Array<protocol::Accessibility::AXNode>>& nodes,
+      AXObjectCacheImpl&) const;
+  void addChild(
+      std::unique_ptr<protocol::Array<protocol::Accessibility::AXNodeId>>&
+          childIds,
+      AXObject& childAXObject,
+      AXObject* inspectedAXObject,
+      std::unique_ptr<protocol::Array<protocol::Accessibility::AXNode>>& nodes,
+      AXObjectCacheImpl&) const;
+  void addChildren(
+      AXObject&,
+      AXObject* inspectedAXObject,
+      std::unique_ptr<protocol::Array<protocol::Accessibility::AXNodeId>>&
+          childIds,
+      std::unique_ptr<protocol::Array<protocol::Accessibility::AXNode>>& nodes,
+      AXObjectCacheImpl&) const;
 };
 
 }  // namespace blink