Make some code gender neutral.

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 <stddef.h>
 
 #include <memory>
 #include <utility>
@@ skipping 1049 matching lines @@
     case APP_LOCALE_CHANGED_VIA_SETTINGS:
     case APP_LOCALE_CHANGED_VIA_REVERT: {
       // We keep kApplicationLocaleBackup value as a reference.  In case value
       // of kApplicationLocale preference would change due to sync from other
       // device then kApplicationLocaleBackup value will trigger and allow us to
       // show notification about automatic locale change in LocaleChangeGuard.
       GetPrefs()->SetString(prefs::kApplicationLocaleBackup, new_locale);
       GetPrefs()->ClearPref(prefs::kApplicationLocaleAccepted);
       // We maintain kApplicationLocale property in both a global storage
       // and user's profile.  Global property determines locale of login screen,
-      // while user's profile determines his personal locale preference.
+      // while user's profile determines their personal locale preference.
       break;
     }
     case APP_LOCALE_CHANGED_VIA_LOGIN:
     case APP_LOCALE_CHANGED_VIA_PUBLIC_SESSION_LOGIN: {
       if (!pref_locale.empty()) {
         DCHECK(pref_locale == new_locale);
         std::string accepted_locale =
             GetPrefs()->GetString(prefs::kApplicationLocaleAccepted);
         if (accepted_locale == new_locale) {
           // If locale is accepted then we do not want to show LocaleChange
@@ skipping 190 matching lines @@
 ProfileImpl::CreateDomainReliabilityMonitor(PrefService* local_state) {
   domain_reliability::DomainReliabilityService* service =
       domain_reliability::DomainReliabilityServiceFactory::GetInstance()->
           GetForBrowserContext(this);
   if (!service)
     return std::unique_ptr<domain_reliability::DomainReliabilityMonitor>();
 
   return service->CreateMonitor(
       BrowserThread::GetTaskRunnerForThread(BrowserThread::IO));
 }