Regkey functions return error code instead of bool

chrome/installer/setup/uninstall.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.
 //
 // This file defines the methods useful for uninstalling Chrome.
 
 #include "chrome/installer/setup/uninstall.h"
 
 #include "base/file_util.h"
 #include "base/path_service.h"
@@ skipping 163 matching lines @@
 // This method tries to figure out if current user has registered Chrome.
 // It returns true iff:
 // - Software\Clients\StartMenuInternet\Chromium\"" key has a valid value.
 // - The value is same as chrome.exe path for the current installation.
 bool CurrentUserHasDefaultBrowser(const Product& product) {
   std::wstring reg_key(ShellUtil::kRegStartMenuInternet);
   reg_key.append(L"\\" + product.distribution()->GetApplicationName() +
                  ShellUtil::kRegShellOpen);
   RegKey key(HKEY_LOCAL_MACHINE, reg_key.c_str(), KEY_READ);
   std::wstring reg_exe;
-  if (key.ReadValue(L"", &reg_exe) && reg_exe.length() > 2) {
+  if (key.ReadValue(L"", &reg_exe) == ERROR_SUCCESS && reg_exe.length() > 2) {
     FilePath chrome_exe(product.package().path()
         .Append(installer::kChromeExe));
     // The path in the registry will always have quotes.
     reg_exe = reg_exe.substr(1, reg_exe.length() - 2);
     if (FilePath::CompareEqualIgnoreCase(reg_exe, chrome_exe.value()))
       return true;
   }
 
   return false;
 }
@@ skipping 562 matching lines @@
   // Try and delete the preserved local state once the post-install
   // operations are complete.
   if (!backup_state_file.empty())
     file_util::Delete(backup_state_file, false);
 
   return ret;
 }
 
 }  // namespace installer