HTML Ruby tag is not exposed on Windows

content/shell/renderer/test_runner/web_ax_object_proxy.cc

 // 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.
 
 #include "content/shell/renderer/test_runner/web_ax_object_proxy.h"
 
 #include "base/strings/stringprintf.h"
 #include "gin/handle.h"
 #include "third_party/WebKit/public/platform/WebPoint.h"
 #include "third_party/WebKit/public/platform/WebRect.h"
@@ skipping 174 matching lines @@
     case blink::WebAXRoleRadioGroup:
       return result.append("RadioGroup");
     case blink::WebAXRoleRegion:
       return result.append("Region");
     case blink::WebAXRoleRootWebArea:
       return result.append("RootWebArea");
     case blink::WebAXRoleRowHeader:
       return result.append("RowHeader");
     case blink::WebAXRoleRow:
       return result.append("Row");
+    case blink::WebAXRoleRuby:
+      return result.append("Ruby");
     case blink::WebAXRoleRulerMarker:
       return result.append("RulerMarker");
     case blink::WebAXRoleRuler:
       return result.append("Ruler");
     case blink::WebAXRoleSVGRoot:
       return result.append("SVGRoot");
     case blink::WebAXRoleScrollArea:
       return result.append("ScrollArea");
     case blink::WebAXRoleScrollBar:
       return result.append("ScrollBar");
@@ skipping 914 matching lines @@
   v8::Handle<v8::Value> value_handle = gin::CreateHandle(
       isolate, new RootWebAXObjectProxy(object, this)).ToV8();
   if (value_handle.IsEmpty())
     return v8::Handle<v8::Object>();
   v8::Handle<v8::Object> handle = value_handle->ToObject();
   elements_.Append(handle);
   return handle;
 }
 
 }  // namespace content