Improve accessible name calculation on Windows.

content/browser/accessibility/dump_accessibility_tree_helper_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/dump_accessibility_tree_helper.h"
 
 #include <oleacc.h>
 
 #include <string>
 
@@ skipping 24 matching lines @@
   HRESULT hresult = acc_obj->get_accName(variant_self, &msaa_name_variant);
   string16 name;
   if (S_OK == hresult)
     name = msaa_name_variant.m_str;
 
   // Get state strings.
   std::vector<string16> state_strings;
   IAccessibleStateToStringVector(acc_obj->ia_state(), &state_strings);
   IAccessible2StateToStringVector(acc_obj->ia2_state(), &state_strings);
 
-  // Get the description and attributes.
+  // Get the description, help, and attributes.
   string16 description;
   acc_obj->GetStringAttribute(content::AccessibilityNodeData::ATTR_DESCRIPTION,
                               &description);
+  string16 help;
+  acc_obj->GetStringAttribute(content::AccessibilityNodeData::ATTR_HELP, &help);
   const std::vector<string16>& ia2_attributes = acc_obj->ia2_attributes();
 
   // Build the line.
   StartLine();
   Add(true, IAccessible2RoleToString(acc_obj->ia2_role()));
   Add(true, L"name='" + name + L"'");
   for (std::vector<string16>::const_iterator it = state_strings.begin();
        it != state_strings.end();
        ++it) {
     Add(false, *it);
@@ skipping 20 matching lines @@
 }
 
 
 const std::string DumpAccessibilityTreeHelper::GetAllowString() const {
   return "@WIN-ALLOW:";
 }
 
 const std::string DumpAccessibilityTreeHelper::GetDenyString() const {
   return "@WIN-DENY:";
 }