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

ui/views/controls/menu/menu_item_view.cc

Index: ui/views/controls/menu/menu_item_view.cc
diff --git a/ui/views/controls/menu/menu_item_view.cc b/ui/views/controls/menu/menu_item_view.cc
index 46ff17be1aec4f3ee0310ea9324da10cf58785c4..63f7676b1fd2c2d52acf3589abac2ae658cbadf4 100644
--- a/ui/views/controls/menu/menu_item_view.cc
+++ b/ui/views/controls/menu/menu_item_view.cc
@@ -162,6 +162,7 @@ void MenuItemView::GetAccessibleNodeData(ui::AXNodeData* node_data) {
     // |title_|.
     View* child = child_at(0);
     ui::AXNodeData node_data;
+    node_data.ClearBitfields();
     child->GetAccessibleNodeData(&node_data);
     item_text = node_data.GetString16Attribute(ui::AX_ATTR_NAME);
   } else {
@@ -171,7 +172,7 @@ void MenuItemView::GetAccessibleNodeData(ui::AXNodeData* node_data) {
 
   switch (GetType()) {
     case SUBMENU:
-      node_data->AddStateFlag(ui::AX_STATE_HASPOPUP);
+      node_data->AddState(ui::AX_STATE_HASPOPUP);
       break;
     case CHECKBOX:
     case RADIO: {