Hook up the other Background Fetch Mojo methods with the system

content/browser/background_fetch/background_fetch_registration_id.cc

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/background_fetch/background_fetch_registration_id.h"
 
+#include <tuple>
+
 #include "content/common/service_worker/service_worker_types.h"
 
 namespace content {
 
 BackgroundFetchRegistrationId::BackgroundFetchRegistrationId()
     : service_worker_registration_id_(kInvalidServiceWorkerRegistrationId) {}
 
 BackgroundFetchRegistrationId::BackgroundFetchRegistrationId(
     int64_t service_worker_registration_id,
     const url::Origin& origin,
@@ skipping 20 matching lines @@
          other.origin_ == origin_ && other.tag_ == tag_;
 }
 
 bool BackgroundFetchRegistrationId::operator!=(
     const BackgroundFetchRegistrationId& other) const {
   return !(*this == other);
 }
 
 bool BackgroundFetchRegistrationId::operator<(
     const BackgroundFetchRegistrationId& other) const {
-  return service_worker_registration_id_ <
-             other.service_worker_registration_id_ ||
-         origin_ < other.origin_ || tag_ < other.tag_;
+  return std::tie(service_worker_registration_id_, origin_, tag_) <
+         std::tie(other.service_worker_registration_id_, other.origin_,
+                  other.tag_);
 }
 
 bool BackgroundFetchRegistrationId::is_null() const {
   return service_worker_registration_id_ == kInvalidServiceWorkerRegistrationId;
 }
 
 }  // namespace content