Test aria-pressed=mixed on windows

chrome/browser/chromeos/arc/accessibility/ax_tree_source_arc.cc

 // Copyright 2017 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/browser/chromeos/arc/accessibility/ax_tree_source_arc.h"
 
 #include <string>
 
 #include "chrome/browser/extensions/api/automation_internal/automation_event_router.h"
 #include "chrome/browser/ui/aura/accessibility/automation_manager_aura.h"
@@ skipping 174 matching lines @@
   MAP_STATE(AXBooleanProperty::EDITABLE, ui::AX_STATE_EDITABLE);
   MAP_STATE(AXBooleanProperty::MULTI_LINE, ui::AX_STATE_MULTILINE);
   MAP_STATE(AXBooleanProperty::PASSWORD, ui::AX_STATE_PROTECTED);
   MAP_STATE(AXBooleanProperty::SELECTED, ui::AX_STATE_SELECTED);
 
 #undef MAP_STATE
 
   if (GetBooleanProperty(node, AXBooleanProperty::CHECKABLE)) {
     const bool is_checked =
         GetBooleanProperty(node, AXBooleanProperty::CHECKED);
-    const ui::AXCheckedState checked_state =
-        is_checked ? ui::AX_CHECKED_STATE_TRUE : ui::AX_CHECKED_STATE_FALSE;
+    const ui::AXButtonState checked_state =
+        is_checked ? ui::AX_BUTTON_STATE_TRUE : ui::AX_BUTTON_STATE_FALSE;
     out_data->AddIntAttribute(ui::AX_ATTR_CHECKED_STATE, checked_state);
   }
 
   if (!GetBooleanProperty(node, AXBooleanProperty::ENABLED))
     out_data->AddState(ui::AX_STATE_DISABLED);
 }
 
 }  // namespace
 
 namespace arc {
@@ skipping 204 matching lines @@
   focused_node_id_ = -1;
   extensions::AutomationEventRouter* router =
       extensions::AutomationEventRouter::GetInstance();
   if (!router)
     return;
 
   router->DispatchTreeDestroyedEvent(tree_id(), nullptr);
 }
 
 }  // namespace arc