Begin using ChromeVox Next to read tab and window titles.

ui/views/accessibility/ax_window_obj_wrapper.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 "ui/views/accessibility/ax_window_obj_wrapper.h"
 
 #include <stddef.h>
 
 #include "base/strings/utf_string_conversions.h"
 #include "ui/accessibility/ax_node_data.h"
@@ skipping 39 matching lines @@
 void AXWindowObjWrapper::Serialize(ui::AXNodeData* out_node_data) {
   out_node_data->id = GetID();
   out_node_data->role = is_alert_ ? ui::AX_ROLE_ALERT : ui::AX_ROLE_WINDOW;
   // TODO(dtseng): Set better states.
   out_node_data->state = 0;
   out_node_data->location = window_->bounds();
 
   // Root windows currently have a non readable name (e.g. Display1234...);
   // ignore them unless the window is the only node in the tree.
   if (window_->parent() || window_->children().size() == 0) {
-    out_node_data->AddStringAttribute(ui::AX_ATTR_NAME,
-                                      base::UTF16ToUTF8(window_->title()));
+    out_node_data->AddStringAttribute(ui::AX_ATTR_NAME, window_->name());
   }
 }
 
 int32_t AXWindowObjWrapper::GetID() {
   return AXAuraObjCache::GetInstance()->GetID(window_);
 }
 
+void AXWindowObjWrapper::OnWindowTitleChanged(aura::Window* window) {
+  AXAuraObjCache::GetInstance()->Remove(window);

[dmazzoni, 2016/05/25 15:18:00]

Does it get re-added? Why delete it rather than triggering an event on it?

[David Tseng, 2016/05/25 16:08:23]

Removed this; went with adding the name on the widget (similarly to RootView).

The issue with firing an event is we don't have the plumbing to dispatch an
event on Widget or Window. I think for other platforms, we never needed it.
However, for automation, we need these backing objects to maintain the tree
state in the browser for AXTree.

+}
+
 void AXWindowObjWrapper::OnWindowDestroyed(aura::Window* window) {
   AXAuraObjCache::GetInstance()->Remove(window);
 }
 
 }  // namespace views