Pref service: enable for user prefs in chrome behind a flag.

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 478 matching lines @@
   }
 
   content::BrowserContext::Initialize(this, path_);
 
   {
     service_manager::Connector* connector = nullptr;
     if (base::FeatureList::IsEnabled(features::kPrefService)) {
       connector = content::BrowserContext::GetConnectorFor(this);
     }
     prefs_ = chrome_prefs::CreateProfilePrefs(
-        path_, sequenced_task_runner, pref_validation_delegate_.get(),
+        path_, sequenced_task_runner, &pref_validation_delegate_,
         profile_policy_connector_->policy_service(), supervised_user_settings,
         CreateExtensionPrefStore(this, false), pref_registry_, async_prefs,
         connector);
     // Register on BrowserContext.
     user_prefs::UserPrefs::Set(this, prefs_.get());
   }
 
   if (async_prefs) {
     // Wait for the notification that prefs has been loaded
     // (successfully or not).  Note that we can use base::Unretained
@@ skipping 553 matching lines @@
 
 void ProfileImpl::RegisterInProcessServices(StaticServiceMap* services) {
   if (base::FeatureList::IsEnabled(features::kPrefService)) {
     content::ServiceInfo info;
     info.factory =
         base::Bind([]() -> std::unique_ptr<service_manager::Service> {
           return base::MakeUnique<prefs::PrefStoreManagerImpl>(
               prefs::PrefStoreManagerImpl::PrefStoreTypes(),
               content::BrowserThread::GetBlockingPool());
         });
+    info.task_runner = content::BrowserThread::GetTaskRunnerForThread(
+        content::BrowserThread::IO);
     services->insert(std::make_pair(prefs::mojom::kPrefStoreServiceName, info));
   }
 }
 
 bool ProfileImpl::IsSameProfile(Profile* profile) {
   if (profile == static_cast<Profile*>(this))
     return true;
   Profile* otr_profile = off_the_record_profile_.get();
   return otr_profile && profile == otr_profile;
 }
@@ skipping 240 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));
 }