Sync user's custom spellcheck dictionary

sync/syncable/nigori_util.cc

Index: sync/syncable/nigori_util.cc
diff --git a/sync/syncable/nigori_util.cc b/sync/syncable/nigori_util.cc
index 584adff4c8b0e15fef07ebf55169d71c536b04df..ffa2599d55aa4ce07b66e109feac744c4d6b583a 100644
--- a/sync/syncable/nigori_util.cc
+++ b/sync/syncable/nigori_util.cc
@@ -275,6 +275,7 @@ void UpdateNigoriFromEncryptedTypes(ModelTypeSet encrypted_types,
   nigori->set_encrypt_apps(encrypted_types.Has(APPS));
   nigori->set_encrypt_app_notifications(
       encrypted_types.Has(APP_NOTIFICATIONS));
+  nigori->set_encrypt_dictionary(encrypted_types.Has(DICTIONARY));
 }
 
 ModelTypeSet GetEncryptedTypesFromNigori(
@@ -310,6 +311,8 @@ ModelTypeSet GetEncryptedTypesFromNigori(
     encrypted_types.Put(APPS);
   if (nigori.encrypt_app_notifications())
     encrypted_types.Put(APP_NOTIFICATIONS);
+  if (nigori.encrypt_dictionary())
+    encrypted_types.Put(DICTIONARY);
   return encrypted_types;
 }