Accessible location change events need to update internal data structure

content/browser/accessibility/browser_accessibility_manager.cc

 // Copyright (c) 2012 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 "content/browser/accessibility/browser_accessibility_manager.h"
 
 #include <stddef.h>
 
 #include "base/logging.h"
 #include "build/build_config.h"
@@ skipping 375 matching lines @@
 }
 
 void BrowserAccessibilityManager::OnLocationChanges(
     const std::vector<AccessibilityHostMsg_LocationChangeParams>& params) {
   for (size_t i = 0; i < params.size(); ++i) {
     BrowserAccessibility* obj = GetFromID(params[i].id);
     if (!obj)
       continue;
     ui::AXNode* node = obj->node();
     node->SetLocation(params[i].new_location);
-    obj->OnLocationChanged();
+  }
+  SendLocationChangeEvents(params);
+}
+
+void BrowserAccessibilityManager::SendLocationChangeEvents(
+    const std::vector<AccessibilityHostMsg_LocationChangeParams>& params) {
+  for (size_t i = 0; i < params.size(); ++i) {
+    BrowserAccessibility* obj = GetFromID(params[i].id);
+    if (obj)
+      obj->OnLocationChanged();
   }
 }
 
 void BrowserAccessibilityManager::OnFindInPageResult(
     int request_id, int match_index, int start_id, int start_offset,
     int end_id, int end_offset) {
   find_in_page_info_.request_id = request_id;
   find_in_page_info_.match_index = match_index;
   find_in_page_info_.start_id = start_id;
   find_in_page_info_.start_offset = start_offset;
@@ skipping 442 matching lines @@
       tree_source(tree_->CreateTreeSource());
   ui::AXTreeSerializer<const ui::AXNode*,
                        ui::AXNodeData,
                        ui::AXTreeData> serializer(tree_source.get());
   ui::AXTreeUpdate update;
   serializer.SerializeChanges(tree_->root(), &update);
   return update;
 }
 
 }  // namespace content