On Win, the accessible value of a document should be its url.

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 2769 matching lines @@
       HasState(AccessibilityNodeData::STATE_FOCUSABLE) &&
       GetHtmlAttribute("placeholder", &placeholder)) {
     if (name_.empty() && !title_elem_id) {
       name_ = placeholder;
     } else if (description.empty()) {
       description = placeholder;
       string_attributes_[AccessibilityNodeData::ATTR_DESCRIPTION] = description;
     }
   }
 
+  // On Windows, the value of a document should be its url.
+  if (role_ == AccessibilityNodeData::ROLE_ROOT_WEB_AREA ||
+      role_ == AccessibilityNodeData::ROLE_WEB_AREA) {
+    GetStringAttribute(AccessibilityNodeData::ATTR_DOC_URL, &value_);
+  }
+
   // For certain roles (listbox option, static text, and list marker)
   // WebKit stores the main accessible text in the "value" - swap it so
   // that it's the "name".
   if (name_.empty() &&
       (role_ == AccessibilityNodeData::ROLE_LISTBOX_OPTION ||
        role_ == AccessibilityNodeData::ROLE_STATIC_TEXT ||
        role_ == AccessibilityNodeData::ROLE_LIST_MARKER)) {
     name_.swap(value_);
   }
 
@@ skipping 711 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_;
 }
 
 }  // namespace content