Adds a context message of the security origin for web notifications.

chrome/browser/services/gcm/push_messaging_service_impl.cc

Index: chrome/browser/services/gcm/push_messaging_service_impl.cc
diff --git a/chrome/browser/services/gcm/push_messaging_service_impl.cc b/chrome/browser/services/gcm/push_messaging_service_impl.cc
index 4d2416a41c96f7e8cac883022170d9bc2e9fac9f..c01eb19a81d2737a808ed7cfc0d9542e7334aacf 100644
--- a/chrome/browser/services/gcm/push_messaging_service_impl.cc
+++ b/chrome/browser/services/gcm/push_messaging_service_impl.cc
@@ -396,8 +396,7 @@ void PushMessagingServiceImpl::DidGetNotificationsShown(
         application_id.service_worker_registration_id,
         application_id.origin,
         SkBitmap() /* icon */,
-        notification_data,
-        content::ChildProcessHost::kInvalidUniqueID /* render_process_id */);
+        notification_data);
   }
 }