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

chrome/browser/profiles/profile_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/profiles/profile_impl.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
@@ skipping 271 matching lines @@
                                 PrefRegistrySyncable::UNSYNCABLE_PREF);
   registry->RegisterBooleanPref(prefs::kSigninAllowed,
                                 true,
                                 PrefRegistrySyncable::UNSYNCABLE_PREF);
   registry->RegisterBooleanPref(prefs::kForceSafeSearch,
                                 false,
                                 PrefRegistrySyncable::UNSYNCABLE_PREF);
   registry->RegisterIntegerPref(prefs::kProfileAvatarIndex,
                                 -1,
                                 PrefRegistrySyncable::SYNCABLE_PREF);
-  registry->RegisterStringPref(prefs::kProfileName,
-                               "",
-                               PrefRegistrySyncable::SYNCABLE_PREF);
+  registry->RegisterStringPref(
+      prefs::kProfileName, std::string(), PrefRegistrySyncable::SYNCABLE_PREF);
   registry->RegisterBooleanPref(prefs::kProfileIsManaged,
                                 false,
                                 PrefRegistrySyncable::SYNCABLE_PREF);
   registry->RegisterStringPref(prefs::kHomePage,
                                std::string(),
                                PrefRegistrySyncable::SYNCABLE_PREF);
 #if defined(ENABLE_PRINTING)
   registry->RegisterBooleanPref(prefs::kPrintingEnabled,
                                 true,
                                 PrefRegistrySyncable::UNSYNCABLE_PREF);
@@ skipping 851 matching lines @@
                                      base::FilePath* cache_path,
                                      int* max_size) {
   DCHECK(cache_path);
   DCHECK(max_size);
   base::FilePath path(prefs_->GetFilePath(prefs::kDiskCacheDir));
   if (!path.empty())
     *cache_path = path;
   *max_size = is_media_context ? prefs_->GetInteger(prefs::kMediaCacheSize) :
                                  prefs_->GetInteger(prefs::kDiskCacheSize);
 }