Automatically fire AX events on Mac based on tree changes

chrome/renderer/extensions/automation_internal_custom_bindings.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/renderer/extensions/automation_internal_custom_bindings.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <memory>
@@ skipping 1224 matching lines @@
 
 void AutomationInternalCustomBindings::OnNodeDataWillChange(
     ui::AXTree* tree,
     const ui::AXNodeData& old_node_data,
     const ui::AXNodeData& new_node_data) {
   if (old_node_data.GetStringAttribute(ui::AX_ATTR_NAME) !=
       new_node_data.GetStringAttribute(ui::AX_ATTR_NAME))
     text_changed_node_ids_.push_back(new_node_data.id);
 }
 
-void AutomationInternalCustomBindings::OnTreeDataChanged(ui::AXTree* tree) {}
+void AutomationInternalCustomBindings::OnTreeDataChanged(
+    ui::AXTree* tree,
+    const ui::AXTreeData& old_tree_data,
+    const ui::AXTreeData& new_tree_data) {}
 
 void AutomationInternalCustomBindings::OnNodeWillBeDeleted(ui::AXTree* tree,
                                                            ui::AXNode* node) {
   SendTreeChangeEvent(
       api::automation::TREE_CHANGE_TYPE_NODEREMOVED,
       tree, node);
   deleted_node_ids_.push_back(node->id());
 }
 
 void AutomationInternalCustomBindings::OnSubtreeWillBeDeleted(
@@ skipping 180 matching lines @@
     for (auto id : ids)
       nodes->AppendInteger(id);
     args.Append(std::move(nodes));
   }
 
   bindings_system_->DispatchEventInContext("automationInternal.onNodesRemoved",
                                            &args, nullptr, context());
 }
 
 }  // namespace extensions