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

content/browser/accessibility/accessibility_win_browsertest.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 <atlbase.h>
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/stringprintf.h"
 #include "base/utf_string_conversions.h"
@@ skipping 340 matching lines @@
   EXPECT_EQ(ia2_role_, ia2_role);
   if (ia2_role_ != ia2_role) {
     LOG(ERROR) << "Expected ia2 role: " <<
         IAccessible2RoleToString(ia2_role_);
     LOG(ERROR) << "Got ia2 role: " <<
         IAccessible2RoleToString(ia2_role);
   }
 }
 
 void AccessibleChecker::CheckAccessibleValue(IAccessible* accessible) {
+  // Don't check the value if if's a DOCUMENT role, because the value
+  // is supposed to be the url (and we don't keep track of that in the
+  // test expectations).
+  VARIANT var_role = {0};
+  HRESULT hr =
+      accessible->get_accRole(CreateI4Variant(CHILDID_SELF), &var_role);
+  ASSERT_EQ(S_OK, hr);
+  if (V_VT(&var_role) == VT_I4 &&
+      V_I4(&var_role) == ROLE_SYSTEM_DOCUMENT) {
+    return;
+  }
+
+  // Get the value.
   CComBSTR value;
-  HRESULT hr =
-      accessible->get_accValue(CreateI4Variant(CHILDID_SELF), &value);
+  hr = accessible->get_accValue(CreateI4Variant(CHILDID_SELF), &value);
   EXPECT_EQ(S_OK, hr);
 
   // Test that the correct string was returned.
   EXPECT_STREQ(value_.c_str(),
                wstring(value.m_str, SysStringLen(value)).c_str());
 }
 
 void AccessibleChecker::CheckAccessibleState(IAccessible* accessible) {
   if (state_ < 0)
     return;
@@ skipping 483 matching lines @@
   AccessibleChecker grouping1_checker(L"", ROLE_SYSTEM_GROUPING, L"");
   AccessibleChecker grouping2_checker(L"", ROLE_SYSTEM_GROUPING, L"");
   AccessibleChecker document_checker(L"", ROLE_SYSTEM_DOCUMENT, L"");
   document_checker.AppendExpectedChild(&grouping1_checker);
   document_checker.AppendExpectedChild(&grouping2_checker);
   document_checker.CheckAccessible(GetRendererAccessible());
 }
 }  // namespace.
 
 }  // namespace content