Convert TrackedPreferenceValidationDelegate into a mojo interface.

chrome/browser/safe_browsing/safe_browsing_service.cc

Index: chrome/browser/safe_browsing/safe_browsing_service.cc
diff --git a/chrome/browser/safe_browsing/safe_browsing_service.cc b/chrome/browser/safe_browsing/safe_browsing_service.cc
index 2ecf2d09f5dcbd4740b732d6729c42d351ee0ecf..74907bd76c3886c70f7e26f51c8f20864e7d99d4 100644
--- a/chrome/browser/safe_browsing/safe_browsing_service.cc
+++ b/chrome/browser/safe_browsing/safe_browsing_service.cc
@@ -42,7 +42,6 @@
 #include "components/safe_browsing_db/v4_feature_list.h"
 #include "components/safe_browsing_db/v4_get_hash_protocol_manager.h"
 #include "components/safe_browsing_db/v4_local_database_manager.h"
-#include "components/user_prefs/tracked/tracked_preference_validation_delegate.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/cookie_store_factory.h"
 #include "content/public/browser/notification_service.h"
@@ -57,6 +56,7 @@
 #include "net/ssl/default_channel_id_store.h"
 #include "net/url_request/url_request_context.h"
 #include "net/url_request/url_request_context_getter.h"
+#include "services/preferences/public/interfaces/tracked_preference_validation_delegate.mojom.h"
 
 #if defined(OS_WIN)
 #include "chrome/installer/util/browser_distribution.h"
@@ -447,7 +447,7 @@ SafeBrowsingService::v4_local_database_manager() const {
   return services_delegate_->v4_local_database_manager();
 }
 
-std::unique_ptr<TrackedPreferenceValidationDelegate>
+std::unique_ptr<prefs::mojom::TrackedPreferenceValidationDelegate>
 SafeBrowsingService::CreatePreferenceValidationDelegate(
     Profile* profile) const {
   return services_delegate_->CreatePreferenceValidationDelegate(profile);