Expose the Site Engagement Service to Java.

chrome/browser/android/chrome_jni_registrar.cc

Index: chrome/browser/android/chrome_jni_registrar.cc
diff --git a/chrome/browser/android/chrome_jni_registrar.cc b/chrome/browser/android/chrome_jni_registrar.cc
index 5a33cd54269d76e96855eb651efea23afe79b8b1..bd07cd18e16b4c31712a408ea8c3809c0c3bf71c 100644
--- a/chrome/browser/android/chrome_jni_registrar.cc
+++ b/chrome/browser/android/chrome_jni_registrar.cc
@@ -109,6 +109,7 @@
 #include "chrome/browser/autofill/android/personal_data_manager_android.h"
 #include "chrome/browser/dom_distiller/dom_distiller_service_factory_android.h"
 #include "chrome/browser/dom_distiller/tab_utils_android.h"
+#include "chrome/browser/engagement/site_engagement_service_android.h"
 #include "chrome/browser/history/android/sqlite_cursor.h"
 #include "chrome/browser/invalidation/invalidation_service_factory_android.h"
 #include "chrome/browser/media/android/cdm/media_drm_credential_manager.h"
@@ -375,6 +376,7 @@ static base::android::RegistrationMethod kChromeRegisteredMethods[] = {
     {"SigninInvestigator", SigninInvestigatorAndroid::Register},
     {"SigninManager", SigninManagerAndroid::Register},
     {"SingleTabModel", RegisterSingleTabModel},
+    {"SiteEngagementService", SiteEngagementServiceAndroid::Register},
 #if BUILDFLAG(ENABLE_SPELLCHECK)
     {"SpellCheckerSessionBridge", spellcheck::android::RegisterSpellcheckJni},
 #endif