Some first_run code cleanups (extracted from https://codereview.chromium.org/12670013 to keep that …

chrome/browser/first_run/first_run_linux.cc

 // Copyright (c) 2012 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/first_run/first_run.h"
 
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/path_service.h"
@@ skipping 45 matching lines @@
   // them.
   import_cmd.CommandLine::AppendSwitch(switches::kDisableBackgroundNetworking);
 
   // Time to launch the process that is going to do the import. We'll wait
   // for the process to return.
   base::LaunchOptions options;
   options.wait = true;
   return base::LaunchProcess(import_cmd, options, NULL);
 }
 
-}  // namespace internal
-}  // namespace first_run
-
-namespace first_run {
-
 base::FilePath MasterPrefsPath() {
   // The standard location of the master prefs is next to the chrome binary.
   base::FilePath master_prefs;
   if (!PathService::Get(base::DIR_EXE, &master_prefs))
     return base::FilePath();
   return master_prefs.AppendASCII(installer::kDefaultMasterPrefs);
 }
 
+}  // namespace internal
 }  // namespace first_run