A11y: Add/refactor methods for manipulating bitfields on AXNodeData.

ui/views/controls/tree/tree_view.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 "ui/views/controls/tree/tree_view.h"
 
 #include <algorithm>
 
 #include "base/i18n/rtl.h"
 #include "base/memory/ptr_util.h"
@@ skipping 396 matching lines @@
     gfx::Point local_point(p);
     ConvertPointFromScreen(this, &local_point);
     if (!GetNodeAtPoint(local_point))
       return;
   }
   View::ShowContextMenu(p, source_type);
 }
 
 void TreeView::GetAccessibleNodeData(ui::AXNodeData* node_data) {
   node_data->role = ui::AX_ROLE_TREE;
-  node_data->AddStateFlag(ui::AX_STATE_READ_ONLY);
+  node_data->AddState(ui::AX_STATE_READ_ONLY);
   if (!selected_node_)
     return;
 
   // Get selected item info.
   node_data->role = ui::AX_ROLE_TREE_ITEM;
   node_data->SetName(selected_node_->model_node()->GetTitle());
 }
 
 const char* TreeView::GetClassName() const {
   return kViewClassName;
@@ skipping 671 matching lines @@
   if (!is_expanded_)
     return max_width;
   for (int i = 0; i < child_count(); ++i) {
     max_width = std::max(max_width,
                          GetChild(i)->GetMaxWidth(indent, depth + 1));
   }
   return max_width;
 }
 
 }  // namespace views