Cleanup Registry API: part 3.

chrome/installer/setup/uninstall.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.
 //
 // 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 54 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(bool system_uninstall) {
   std::wstring reg_key(ShellUtil::kRegStartMenuInternet);
   BrowserDistribution* dist = BrowserDistribution::GetDistribution();
   reg_key.append(L"\\" + dist->GetApplicationName() + ShellUtil::kRegShellOpen);
-  RegKey key(HKEY_LOCAL_MACHINE, reg_key.c_str());
+  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) {
     std::wstring chrome_exe = installer::GetChromeInstallPath(system_uninstall);
     file_util::AppendToPath(&chrome_exe, installer_util::kChromeExe);
     reg_exe = reg_exe.substr(1, reg_exe.length() - 2);
     if ((reg_exe.size() == chrome_exe.size()) &&
         (std::equal(chrome_exe.begin(), chrome_exe.end(),
                     reg_exe.begin(), CaseInsensitiveCompare<wchar_t>())))
       return true;
   }
@@ skipping 484 matching lines @@
                                     distribution_data);
   }
 
   // Try and delete the preserved local state once the post-install
   // operations are complete.
   if (!local_state_path.empty())
     file_util::Delete(local_state_path, false);
 
   return ret;
 }