Partial implementation of subscription restrictions.

content/child/push_messaging/push_provider.cc

Index: content/child/push_messaging/push_provider.cc
diff --git a/content/child/push_messaging/push_provider.cc b/content/child/push_messaging/push_provider.cc
index f8e807def7b5d4bd2efdb117b54083bacd006298..490af83f26837fea4df17c537c3efb4c1ea12f20 100644
--- a/content/child/push_messaging/push_provider.cc
+++ b/content/child/push_messaging/push_provider.cc
@@ -75,8 +75,13 @@ void PushProvider::subscribe(
   subscription_callbacks_.AddWithID(callbacks, request_id);
   int64_t service_worker_registration_id =
       GetServiceWorkerRegistrationId(service_worker_registration);
+  ContentPushSubscriptionOptions content_options;
+  content_options.user_visible_only = options.userVisibleOnly;
+  // If subscription restrictions aren't enabled or a key isn't provided
+  // by the client, the sender id will be read from the database.
+  content_options.sender_info = options.applicationServerKey.utf8();
   thread_safe_sender_->Send(new PushMessagingHostMsg_SubscribeFromWorker(
-      request_id, service_worker_registration_id, options.userVisibleOnly));
+      request_id, service_worker_registration_id, content_options));
 }
 
 void PushProvider::unsubscribe(