Include relationship ARIA objects in serialized accessibility tree

ui/accessibility/ax_node_data.cc

Index: ui/accessibility/ax_node_data.cc
diff --git a/ui/accessibility/ax_node_data.cc b/ui/accessibility/ax_node_data.cc
index 9a796a3d9f73e9f60d8192b2da9897bd654521bb..d287ac906d9624393af4b5320be0f1940223dfd4 100644
--- a/ui/accessibility/ax_node_data.cc
+++ b/ui/accessibility/ax_node_data.cc
@@ -192,6 +192,9 @@ std::string AXNodeData::ToString() const {
       case AX_ATTR_TITLE_UI_ELEMENT:
         result += " title_elem=" + value;
         break;
+      case AX_ATTR_ACTIVEDESCENDANT_ID:
+        result += " activedescendant=" + value;
+        break;
       case AX_ATTR_COLOR_VALUE_RED:
         result += " color_value_red=" + value;
         break;
@@ -352,6 +355,21 @@ std::string AXNodeData::ToString() const {
       case AX_ATTR_INDIRECT_CHILD_IDS:
         result += " indirect_child_ids=" + IntVectorToString(values);
         break;
+      case AX_ATTR_CONTROLS_IDS:
+        result += " controls_ids=" + IntVectorToString(values);
+        break;
+      case AX_ATTR_DESCRIBEDBY_IDS:
+        result += " describedby_ids=" + IntVectorToString(values);
+        break;
+      case AX_ATTR_FLOWTO_IDS:
+        result += " flowto_ids=" + IntVectorToString(values);
+        break;
+      case AX_ATTR_LABELLEDBY_IDS:
+        result += " labelledby_ids=" + IntVectorToString(values);
+        break;
+      case AX_ATTR_OWNS_IDS:
+        result += " owns_ids=" + IntVectorToString(values);
+        break;
       case AX_ATTR_LINE_BREAKS:
         result += " line_breaks=" + IntVectorToString(values);
         break;