Convert TrackedPreferenceValidationDelegate into a mojo interface.

chrome/browser/safe_browsing/services_delegate_stub.cc

 // Copyright 2016 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/safe_browsing/services_delegate_stub.h"
 
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
 #include "components/safe_browsing_db/v4_local_database_manager.h"
+#include "services/preferences/public/interfaces/tracked_preference_validation_delegate.mojom.h"
 
 namespace safe_browsing {
 
 // static
 std::unique_ptr<ServicesDelegate> ServicesDelegate::Create(
     SafeBrowsingService* safe_browsing_service) {
   return base::WrapUnique(new ServicesDelegateStub);
 }
 
 // static
@@ skipping 18 matching lines @@
 
 void ServicesDelegateStub::Initialize(bool v4_enabled) {}
 
 void ServicesDelegateStub::ShutdownServices() {}
 
 void ServicesDelegateStub::RefreshState(bool enable) {}
 
 void ServicesDelegateStub::ProcessResourceRequest(
     const ResourceRequestInfo* request) {}
 
-std::unique_ptr<TrackedPreferenceValidationDelegate>
+std::unique_ptr<prefs::mojom::TrackedPreferenceValidationDelegate>
 ServicesDelegateStub::CreatePreferenceValidationDelegate(Profile* profile) {
-  return std::unique_ptr<TrackedPreferenceValidationDelegate>();
+  return nullptr;
 }
 
 void ServicesDelegateStub::RegisterDelayedAnalysisCallback(
     const DelayedAnalysisCallback& callback) {}
 
 void ServicesDelegateStub::AddDownloadManager(
     content::DownloadManager* download_manager) {}
 
 ClientSideDetectionService* ServicesDelegateStub::GetCsdService() {
   return nullptr;
 }
 
 DownloadProtectionService* ServicesDelegateStub::GetDownloadService() {
   return nullptr;
 }
 
 void ServicesDelegateStub::StartOnIOThread(
     net::URLRequestContextGetter* url_request_context_getter,
     const V4ProtocolConfig& v4_config) {}
 
 void ServicesDelegateStub::StopOnIOThread(bool shutdown) {}
 
 }  // namespace safe_browsing