Revert 69165 - Merge the installer, installer_util and setup_util namespaces ...

chrome/installer/util/util_constants.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/installer/util/util_constants.h"
 
-namespace installer {
+namespace installer_util {
 
 namespace switches {
 
 // Install CEEE.
 const char kCeee[] = "ceee";
 
 // Install Chrome.
 // Currently this is only required when used in combination with kMultiInstall.
 const char kChrome[] = "chrome";
 
@@ skipping 136 matching lines @@
 const wchar_t kUninstallArgumentsField[] = L"UninstallArguments";
 const wchar_t kUninstallDisplayNameField[] = L"DisplayName";
 const char kUninstallMetricsName[] = "uninstall_metrics";
 const wchar_t kUninstallInstallationDate[] = L"installation_date";
 const wchar_t kInstallerResult[] = L"InstallerResult";
 const wchar_t kInstallerError[] = L"InstallerError";
 const wchar_t kInstallerResultUIString[] = L"InstallerResultUIString";
 const wchar_t kInstallerSuccessLaunchCmdLine[] =
     L"InstallerSuccessLaunchCmdLine";
 
-}  // namespace installer
+}  // namespace installer_util