Move AX Role predicates into ax_role_properties.h.

ui/accessibility/ax_role_properties.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 "ui/accessibility/ax_role_properties.h"
 
 namespace ui {
 
 bool IsRoleClickable(AXRole role) {
   switch (role) {
@@ skipping 14 matching lines @@
     case AX_ROLE_RADIO_BUTTON:
     case AX_ROLE_SWITCH:
     case AX_ROLE_TAB:
     case AX_ROLE_TOGGLE_BUTTON:
       return true;
     default:
       return false;
   }
 }
 
+bool IsCellOrTableHeaderRole(ui::AXRole role) {
+  switch (role) {
+    case ui::AX_ROLE_CELL:
+    case ui::AX_ROLE_COLUMN_HEADER:
+    case ui::AX_ROLE_ROW_HEADER:
+      return true;
+    default:
+      return false;
+  }
+}
+
+bool IsTableLikeRole(ui::AXRole role) {
+  switch (role) {
+    case ui::AX_ROLE_TABLE:
+    case ui::AX_ROLE_GRID:
+    case ui::AX_ROLE_TREE_GRID:
+      return true;
+    default:
+      return false;
+  }
+}
+
+bool IsContainerWithSelectableChildrenRole(ui::AXRole role) {
+  switch (role) {
+    case ui::AX_ROLE_COMBO_BOX:
+    case ui::AX_ROLE_GRID:
+    case ui::AX_ROLE_LIST_BOX:
+    case ui::AX_ROLE_MENU:
+    case ui::AX_ROLE_MENU_BAR:
+    case ui::AX_ROLE_RADIO_GROUP:
+    case ui::AX_ROLE_TAB_LIST:
+    case ui::AX_ROLE_TOOLBAR:
+    case ui::AX_ROLE_TREE:
+    case ui::AX_ROLE_TREE_GRID:
+      return true;
+    default:
+      return false;
+  }
+}
+
+bool IsRowContainer(ui::AXRole role) {
+  switch (role) {
+    case ui::AX_ROLE_TREE:
+    case ui::AX_ROLE_TREE_GRID:
+    case ui::AX_ROLE_GRID:
+    case ui::AX_ROLE_TABLE:
+      return true;
+    default:
+      return false;
+  }
+}
+
 }  // namespace ui