Complete initial role and state mappings for ARC++ accessibility

ui/accessibility/platform/ax_android_constants.h

Index: ui/accessibility/platform/ax_android_constants.h
diff --git a/ui/accessibility/platform/ax_android_constants.h b/ui/accessibility/platform/ax_android_constants.h
new file mode 100644
index 0000000000000000000000000000000000000000..6cccf95e0fd9f57be1215be733fdd6c937ae5a57
--- /dev/null
+++ b/ui/accessibility/platform/ax_android_constants.h
@@ -0,0 +1,38 @@
+// 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.
+
+#ifndef UI_ACCESSIBILITY_PLATFORM_AX_ANDROID_CONSTANTS_H_
+#define UI_ACCESSIBILITY_PLATFORM_AX_ANDROID_CONSTANTS_H_
+
+namespace ui {
+
+// Classnames.
+
+extern const char kAXAbsListViewClassname[];
+extern const char kAXButtonClassname[];
+extern const char kAXCheckBoxClassname[];
+extern const char kAXCompoundButtonClassname[];
+extern const char kAXCheckedTextViewClassname[];
+extern const char kAXDialogClassname[];
+extern const char kAXEditTextClassname[];
+extern const char kAXGridViewClassname[];
+extern const char kAXImageClassname[];
+extern const char kAXImageViewClassname[];
+extern const char kAXListViewClassname[];
+extern const char kAXMenuItemClassname[];
+extern const char kAXPagerClassname[];
+extern const char kAXProgressBarClassname[];
+extern const char kAXRadioButtonClassname[];
+extern const char kAXSeekBarClassname[];
+extern const char kAXSwitchClassname[];
+extern const char kAXSpinnerClassname[];
+extern const char kAXTabWidgetClassname[];
+extern const char kAXToggleButtonClassname[];
+extern const char kAXViewClassname[];
+extern const char kAXViewGroupClassname[];
+extern const char kAXWebViewClassname[];
+
+}  // namespace ui
+
+#endif  // UI_ACCESSIBILITY_PLATFORM_AX_ANDROID_CONSTANTS_H_