[Offline pages] Adding persistent request queue based on SQLite

components/offline_pages/background/request_queue.cc

 // Copyright 2016 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 "components/offline_pages/background/request_queue.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "components/offline_pages/background/request_queue_store.h"
@@ skipping 14 matching lines @@
   // Also this may be turned into a method on the request queue or add a policy
   // parameter in the process.
   callback.Run(result, requests);
 }
 
 // Completes the add request call.
 void AddRequestDone(const RequestQueue::AddRequestCallback& callback,
                     const SavePageRequest& request,
                     RequestQueueStore::UpdateStatus status) {
   RequestQueue::AddRequestResult result =
-      (status == RequestQueueStore::UpdateStatus::ADDED)
+      (status == RequestQueueStore::UpdateStatus::UPDATED)
           ? RequestQueue::AddRequestResult::SUCCESS
           : RequestQueue::AddRequestResult::STORE_FAILURE;
   callback.Run(result, request);
 }
 
 // Completes the remove request call.
 void RemoveRequestDone(const RequestQueue::UpdateRequestCallback& callback,
                        bool success,
                        int deleted_requests_count) {
   DCHECK_EQ(1, deleted_requests_count);
@@ skipping 26 matching lines @@
 
 void RequestQueue::RemoveRequest(int64_t request_id,
                                  const UpdateRequestCallback& callback) {
   std::vector<int64_t> request_ids{request_id};
   store_->RemoveRequests(request_ids, base::Bind(RemoveRequestDone, callback));
 }
 
 void RequestQueue::PurgeRequests(const PurgeRequestsCallback& callback) {}
 
 }  // namespace offline_pages