1 files changed, 16 insertions, 1 deletions
diff --git a/chromium/ui/accessibility/ax_tree_update.h b/chromium/ui/accessibility/ax_tree_update.h
index 5225cdefb87..a27fc3b2377 100644
--- a/chromium/ui/accessibility/ax_tree_update.h
+++ b/chromium/ui/accessibility/ax_tree_update.h
@@ -13,7 +13,9 @@
 #include <vector>
 
 #include "base/strings/string_number_conversions.h"
+#include "ui/accessibility/ax_enum_util.h"
 #include "ui/accessibility/ax_enums.mojom.h"
+#include "ui/accessibility/ax_event_intent.h"
 #include "ui/accessibility/ax_node_data.h"
 #include "ui/accessibility/ax_tree_data.h"
 
@@ -72,9 +74,12 @@ template<typename AXNodeData, typename AXTreeData> struct AXTreeUpdateBase {
   // A vector of nodes to update, according to the rules above.
   std::vector<AXNodeData> nodes;
 
-  // The source of the event.
+  // The source of the event which generated this tree update.
   ax::mojom::EventFrom event_from = ax::mojom::EventFrom::kNone;
 
+  // The event intents associated with this tree update.
+  std::vector<AXEventIntent> event_intents;
+
   // Return a multi-line indented string representation, for logging.
   std::string ToString() const;
 
@@ -100,6 +105,16 @@ std::string AXTreeUpdateBase<AXNodeData, AXTreeData>::ToString() const {
     result += "AXTreeUpdate: root id " + base::NumberToString(root_id) + "\n";
   }
 
+  if (event_from != ax::mojom::EventFrom::kNone)
+    result += "event_from=" + std::string(ui::ToString(event_from)) + "\n";
+
+  if (!event_intents.empty()) {
+    result += "event_intents=[\n";
+    for (const auto& event_intent : event_intents)
+      result += "  " + event_intent.ToString() + "\n";
+    result += "]\n";
+  }
+
   // The challenge here is that we want to indent the nodes being updated
   // so that parent/child relationships are clear, but we don't have access
   // to the rest of the tree for context, so we have to try to show the