Correctly map list markers to a specific role rather than a generic group on Mac.

content/browser/accessibility/browser_accessibility_win.cc

 // Copyright (c) 2012 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/browser/accessibility/browser_accessibility_win.h"
 
 #include <UIAutomationClient.h>
 #include <UIAutomationCoreApi.h>
 
 #include "base/string_number_conversions.h"
@@ skipping 2695 matching lines @@
         ia2_attributes_.push_back(string16(L"table-cell-index:") +
                                   base::IntToString16(index));
       }
     } else {
       NOTREACHED();
     }
   }
 
   if (name_.empty() &&
       (role_ == WebAccessibility::ROLE_LISTBOX_OPTION ||
-       role_ == WebAccessibility::ROLE_STATIC_TEXT)) {
+       role_ == WebAccessibility::ROLE_STATIC_TEXT ||
+       role_ == WebAccessibility::ROLE_LIST_MARKER)) {
     name_.swap(value_);
   }
 
   // If this object doesn't have a name but it does have a description,
   // use the description as its name - because some screen readers only
   // announce the name.
   if (name_.empty())
     GetStringAttribute(WebAccessibility::ATTR_DESCRIPTION, &name_);
 
   // If this doesn't have a value and is linked then set its value to the url
@@ skipping 644 matching lines @@
   }
 
   // The role should always be set.
   DCHECK(!role_name_.empty() || ia_role_);
 
   // If we didn't explicitly set the IAccessible2 role, make it the same
   // as the MSAA role.
   if (!ia2_role_)
     ia2_role_ = ia_role_;
 }