Revert of Use setSequentialFocusNavigationStartingPoint in ChromeVox

ui/accessibility/ax_enums.idl

 // Copyright 2014 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.
 
 // TODO(nektar): Migrate entire file to Mojoq.
 // These should be kept in sync with third_party/WebKit/public/web/WebAXEnums.h
 // until the Chromium and Blink trees are merged.
 [camel_case_enum_to_string=true] namespace ui {
 
   // For new entries to the following four enums, also add to
@@ skipping 234 matching lines @@
     scroll_to_make_visible,
 
     // Scroll the given object to a specified point on the screen in
     // global screen coordinates. Pass a point in AXActionData.target_point.
     scroll_to_point,
 
     set_accessibility_focus,
     set_focus,
     set_scroll_offset,
     set_selection,
-
-    // Don't focus this node, but set it as the sequential focus navigation
-    // starting point, so that pressing Tab moves to the next element
-    // following this one, for example.
-    set_sequential_focus_navigation_starting_point,
-
     set_value,
     show_context_menu
   };
 
   enum AXActionFlags {
     request_images,
-    request_inline_text_boxes
+    request_inline_text_boxes,
+    set_sequential_focus_navigation_point
   };
 
   // A change to the accessibility tree.
   enum AXMutation {
     node_created,
     subtree_created,
     node_changed,
     node_removed
   };
 
@@ skipping 309 matching lines @@
     // First node is before the second one.
     before,
 
     // Nodes are the same.
     equal,
 
     // First node is after the second one.
     after
   };
 };