Rewrite std::string("") to std::string(), Linux edition.

chrome/browser/ui/startup/startup_browser_creator_impl.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/ui/startup/startup_browser_creator_impl.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "apps/app_restore_service.h"
@@ skipping 915 matching lines @@
     std::vector<GURL>* startup_urls) const {
   PrefService* prefs = profile_->GetPrefs();
   bool has_reset_local_passphrase_switch =
       command_line_.HasSwitch(switches::kResetLocalPassphrase);
   if ((is_first_run_ || has_reset_local_passphrase_switch) &&
       prefs->GetBoolean(prefs::kProfileIsManaged)) {
     startup_urls->insert(startup_urls->begin(),
                          GURL(std::string(chrome::kChromeUISettingsURL) +
                               chrome::kManagedUserSettingsSubPage));
     if (has_reset_local_passphrase_switch) {
-      prefs->SetString(prefs::kManagedModeLocalPassphrase, "");
-      prefs->SetString(prefs::kManagedModeLocalSalt, "");
+      prefs->SetString(prefs::kManagedModeLocalPassphrase, std::string());
+      prefs->SetString(prefs::kManagedModeLocalSalt, std::string());
     }
   }
 
   // If we have urls specified by the first run master preferences use them
   // and nothing else.
   if (browser_creator_ && startup_urls->empty()) {
     if (!browser_creator_->first_run_tabs_.empty()) {
       std::vector<GURL>::iterator it =
           browser_creator_->first_run_tabs_.begin();
       while (it != browser_creator_->first_run_tabs_.end()) {
@@ skipping 22 matching lines @@
 }
 
 #if !defined(OS_WIN) || defined(USE_AURA)
 // static
 bool StartupBrowserCreatorImpl::OpenStartupURLsInExistingBrowser(
     Profile* profile,
     const std::vector<GURL>& startup_urls) {
   return false;
 }
 #endif