Clean up first run:

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_path.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
@@ skipping 33 matching lines @@
         cmdline.GetSwitchValuePath(switches::kUserDataDir));
   }
   // Since ImportSettings is called before the local state is stored on disk
   // we pass the language as an argument. GetApplicationLocale checks the
   // current command line as fallback.
   import_cmd.AppendSwitchASCII(switches::kLang,
                                g_browser_process->GetApplicationLocale());
 
   import_cmd.CommandLine::AppendSwitchPath(switches::kImportFromFile,
                                            import_bookmarks_path);
+
+  // The importer doesn't need to do any background networking tasks so disable
+  // 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
 
@@ skipping 31 matching lines @@
 
 FilePath MasterPrefsPath() {
   // The standard location of the master prefs is next to the chrome binary.
   FilePath master_prefs;
   if (!PathService::Get(base::DIR_EXE, &master_prefs))
     return FilePath();
   return master_prefs.AppendASCII(installer::kDefaultMasterPrefs);
 }
 
 }  // namespace first_run