Pref service: add support for tracked prefs.

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 97 matching lines @@
 #include "components/zoom/zoom_event_manager.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/dom_storage_context.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/storage_partition.h"
 #include "content/public/browser/url_data_source.h"
 #include "content/public/common/content_constants.h"
 #include "content/public/common/page_zoom.h"
 #include "extensions/features/features.h"
+#include "mojo/public/cpp/bindings/strong_binding.h"
 #include "ppapi/features/features.h"
 #include "printing/features/features.h"
 #include "services/identity/identity_service.h"
 #include "services/identity/public/interfaces/constants.mojom.h"
 #include "services/preferences/public/cpp/pref_service_main.h"
 #include "services/preferences/public/interfaces/preferences.mojom.h"
 #include "services/preferences/public/interfaces/tracked_preference_validation_delegate.mojom.h"
 #include "services/service_manager/public/cpp/service.h"
 #include "ui/base/l10n/l10n_util.h"
 
@@ skipping 350 matching lines @@
   SupervisedUserSettingsService* supervised_user_settings = nullptr;
 #if BUILDFLAG(ENABLE_SUPERVISED_USERS)
   supervised_user_settings =
       SupervisedUserSettingsServiceFactory::GetForProfile(this);
   supervised_user_settings->Init(
       path_, sequenced_task_runner, create_mode == CREATE_MODE_SYNCHRONOUS);
 #endif
 
   scoped_refptr<safe_browsing::SafeBrowsingService> safe_browsing_service(
       g_browser_process->safe_browsing_service());
+  prefs::mojom::TrackedPreferenceValidationDelegatePtr pref_validation_delegate;
   if (safe_browsing_service.get()) {
-    pref_validation_delegate_ =
+    auto pref_validation_delegate_impl =
         safe_browsing_service->CreatePreferenceValidationDelegate(this);
+    if (pref_validation_delegate_impl) {
+      mojo::MakeStrongBinding(std::move(pref_validation_delegate_impl),
+                              mojo::MakeRequest(&pref_validation_delegate));
+    }
   }
 
   content::BrowserContext::Initialize(this, path_);
 
   {
     service_manager::Connector* connector = nullptr;
     if (features::PrefServiceEnabled()) {
       connector = content::BrowserContext::GetConnectorFor(this);
     }
     prefs_ = chrome_prefs::CreateProfilePrefs(
-        path_, sequenced_task_runner, pref_validation_delegate_.get(),
+        path_, std::move(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 832 matching lines @@
     return std::unique_ptr<domain_reliability::DomainReliabilityMonitor>();
 
   return service->CreateMonitor(
       BrowserThread::GetTaskRunnerForThread(BrowserThread::IO));
 }
 
 std::unique_ptr<service_manager::Service> ProfileImpl::CreateIdentityService() {
   SigninManagerBase* signin_manager = SigninManagerFactory::GetForProfile(this);
   return base::MakeUnique<identity::IdentityService>(signin_manager);
 }