Regkey functions return error code instead of bool

chrome/installer/setup/install.cc

 // Copyright (c) 2011 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/installer/setup/install.h"
 
 #include <shlobj.h>
 #include <time.h>
 #include <vector>
 
@@ skipping 142 matching lines @@
   }
 
   RegKey key;
   ChannelInfo other_info;
   std::vector<std::wstring>::const_iterator kscan = keys.begin();
   std::vector<std::wstring>::const_iterator kend = keys.end();
   for (; kscan != kend; ++kscan) {
     // Handle the case where the ClientState key doesn't exist by creating it.
     // This takes care of the multi-installer's package key, which is not
     // created by Google Update for us.
-    if (!key.Open(reg_root, kscan->c_str(), KEY_QUERY_VALUE) ||
+    if (key.Open(reg_root, kscan->c_str(), KEY_QUERY_VALUE) != ERROR_SUCCESS ||
         !other_info.Initialize(key)) {
       other_info.set_value(std::wstring());
     }
     if (!other_info.Equals(channel_info)) {
       if (!key.Valid())
         install_list->AddCreateRegKeyWorkItem(reg_root, *kscan);
       install_list->AddSetRegValueWorkItem(reg_root, *kscan,
                                            google_update::kRegApField,
                                            channel_info.value(), true);
     }
@@ skipping 388 matching lines @@
     }
 
     install.RemoveOldVersionDirectories(existing_version.get() ?
         *existing_version.get() : new_version);
   }
 
   return result;
 }
 
 }  // namespace installer