Index: ui/accessibility/ax_tree.h |
diff --git a/ui/accessibility/ax_tree.h b/ui/accessibility/ax_tree.h |
index 53cd9ea7baeda471161e5d92ccae6908eff9061d..144883837a86c00fd1e01b2950d089fba81cfddf 100644 |
--- a/ui/accessibility/ax_tree.h |
+++ b/ui/accessibility/ax_tree.h |
@@ -85,8 +85,9 @@ class AX_EXPORT AXTreeDelegate { |
const std::vector<int32_t>& new_value) {} |
// Called when tree data changes. |
- virtual void OnTreeDataChanged(AXTree* tree) = 0; |
- |
+ virtual void OnTreeDataChanged(AXTree* tree, |
+ const ui::AXTreeData& old_data, |
+ const ui::AXTreeData& new_data) = 0; |
// Called just before a node is deleted. Its id and data will be valid, |
// but its links to parents and children are invalid. This is called |
// in the middle of an update, the tree may be in an invalid state! |