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+// Copyright (c) 2006-2009 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.
+
+#ifndef VIEWS_ACCESSIBILITY_ACCESSIBILITY_TYPES_H_
+#define VIEWS_ACCESSIBILITY_ACCESSIBILITY_TYPES_H_
+
+////////////////////////////////////////////////////////////////////////////////
+//
+// AccessibilityTypes
+//
+// Provides enumerations used to preserve platform-independence in accessibility
+// functions used in various Views, both in Browser\Views and Views.
+//
+////////////////////////////////////////////////////////////////////////////////
+class AccessibilityTypes {
+ public:
+  // This defines an enumeration of the supported accessibility roles in our
+  // Views (e.g. used in View::GetAccessibleRole). Any interface using roles
+  // must provide a conversion to its own roles (see e.g.
+  // ViewAccessibility::get_accRole and ViewAccessibility::MSAARole).
+  enum Role {
+    ROLE_APPLICATION,
+    ROLE_BUTTONDROPDOWN,
+    ROLE_CLIENT,
+    ROLE_GROUPING,
+    ROLE_PAGETAB,
+    ROLE_PUSHBUTTON,
+    ROLE_TEXT,
+    ROLE_TOOLBAR
+  };
+
+  // This defines an enumeration of the supported accessibility roles in our
+  // Views (e.g. used in View::GetAccessibleState). Any interface using roles
+  // must provide a conversion to its own roles (see e.g.
+  // ViewAccessibility::get_accState and ViewAccessibility::MSAAState).
+  enum State {
+    STATE_HASPOPUP,
+    STATE_READONLY
+  };
+
+ private:
+  // Do not instantiate this class.
+  AccessibilityTypes() {}
+  ~AccessibilityTypes() {}
+};
+
+#endif  // VIEWS_ACCESSIBILITY_ACCESSIBILITY_TYPES_H_