Add style information to the snapshot node

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.
 
 // 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 three enums, also add to
   // chrome/common/extensions/api/automation.idl.
@@ skipping 410 matching lines @@
     word_ends
   };
 
   [cpp_enum_prefix_override="ax"] enum AXTextDirection {
     text_direction_ltr,
     text_direction_rtl,
     text_direction_ttb,
     text_direction_btt
   };
 
+  // A Java counterpart will be generated for this enum.
+  // GENERATED_JAVA_ENUM_PACKAGE: org.chromium.ui.accessibility
   [cpp_enum_prefix_override="ax"] enum AXTextStyle {
-    text_style_bold,
-    text_style_italic,
-    text_style_underline,
-    text_style_line_through
+    text_style_bold  = 1,
+    text_style_italic = 2,
+    text_style_underline = 4,
+    text_style_line_through = 8
   };
 
   [cpp_enum_prefix_override="ax"] enum AXInvalidState {
     invalid_state_false,
     invalid_state_true,
     invalid_state_spelling,
     invalid_state_grammar,
     invalid_state_other
   };
 
   [cpp_enum_prefix_override="ax"] enum AXSortDirection {
     sort_direction_unsorted,
     sort_direction_ascending,
     sort_direction_descending,
     sort_direction_other
   };
 
 };