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

chrome/browser/ui/app_list/app_list_service.cc

 // Copyright 2013 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/app_list/app_list_service.h"
 
 #include "base/metrics/histogram.h"
 #include "base/prefs/pref_registry_simple.h"
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/browser_process.h"
@@ skipping 48 matching lines @@
 }
 
 }  // namespace
 
 // static
 void AppListService::RegisterPrefs(PrefRegistrySimple* registry) {
   registry->RegisterInt64Pref(prefs::kLastAppListLaunchPing, 0);
   registry->RegisterIntegerPref(prefs::kAppListLaunchCount, 0);
   registry->RegisterInt64Pref(prefs::kLastAppListAppLaunchPing, 0);
   registry->RegisterIntegerPref(prefs::kAppListAppLaunchCount, 0);
-  registry->RegisterStringPref(prefs::kAppListProfile, "");
+  registry->RegisterStringPref(prefs::kAppListProfile, std::string());
 #if defined(OS_WIN)
   registry->RegisterBooleanPref(prefs::kRestartWithAppList, false);
 #endif
 }
 
 void AppListService::Init(Profile* initial_profile) {}
 
 base::FilePath AppListService::GetAppListProfilePath(
     const base::FilePath& user_data_dir) {
   PrefService* local_state = g_browser_process->local_state();
@@ skipping 61 matching lines @@
 
 void AppListService::OnProfileNameChanged(const base::FilePath& profile_path,
                                           const string16& profile_name) {}
 
 void AppListService::OnProfileAvatarChanged(
     const base::FilePath& profile_path) {}
 
 AppListControllerDelegate* AppListService::CreateControllerDelegate() {
   return NULL;
 }