Regkey functions return error code instead of bool

chrome/browser/ui/views/external_protocol_dialog.cc

 // Copyright (c) 2010 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 "chrome/browser/views/external_protocol_dialog.h"
 
 #include "app/l10n_util.h"
 #include "app/message_box_flags.h"
 #include "app/text_elider.h"
 #include "base/metrics/histogram.h"
@@ skipping 154 matching lines @@
   std::wstring url_spec = ASCIIToWide(url.possibly_invalid_spec());
   std::wstring cmd_key_path =
       ASCIIToWide(url.scheme() + "\\shell\\open\\command");
   base::win::RegKey cmd_key(HKEY_CLASSES_ROOT, cmd_key_path.c_str(), KEY_READ);
   size_t split_offset = url_spec.find(L':');
   if (split_offset == std::wstring::npos)
     return std::wstring();
   std::wstring parameters = url_spec.substr(split_offset + 1,
                                             url_spec.length() - 1);
   std::wstring application_to_launch;
-  if (cmd_key.ReadValue(NULL, &application_to_launch)) {
+  if (cmd_key.ReadValue(NULL, &application_to_launch) == ERROR_SUCCESS) {
     ReplaceSubstringsAfterOffset(&application_to_launch, 0, L"%1", parameters);
     return application_to_launch;
   } else {
     return std::wstring();
   }
 }