[Offline pages] Add MarkAttemptAbortedTask to Request Queue

components/offline_pages/background/update_request_task.cc

Index: components/offline_pages/background/update_request_task.cc
diff --git a/components/offline_pages/background/update_request_task.cc b/components/offline_pages/background/update_request_task.cc
new file mode 100644
index 0000000000000000000000000000000000000000..08ccf1cb44b47c5af17dc9e10fd7b63c61c2ac74
--- /dev/null
+++ b/components/offline_pages/background/update_request_task.cc
@@ -0,0 +1,50 @@
+// 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/update_request_task.h"
+
+#include <vector>
+
+#include "base/bind.h"
+#include "base/time/time.h"
+
+namespace offline_pages {
+
+UpdateRequestTask::UpdateRequestTask(
+    RequestQueueStore* store,
+    int64_t request_id,
+    const RequestQueueStore::UpdateCallback& callback)
+    : store_(store),
+      request_id_(request_id),
+      callback_(callback),
+      weak_ptr_factory_(this) {}
+
+UpdateRequestTask::~UpdateRequestTask() {}
+
+void UpdateRequestTask::Run() {
+  ReadRequest();
+}
+
+void UpdateRequestTask::ReadRequest() {
+  std::vector<int64_t> request_ids{request_id_};
+  store_->GetRequestsByIds(request_ids,
+                           base::Bind(&UpdateRequestTask::UpdateRequestImpl,
+                                      weak_ptr_factory_.GetWeakPtr()));
+}
+
+void UpdateRequestTask::CompleteWithResult(
+    std::unique_ptr<UpdateRequestsResult> result) {
+  callback_.Run(std::move(result));
+  TaskComplete();
+}
+
+bool UpdateRequestTask::ValidateReadResult(UpdateRequestsResult* result) {
+  return result->store_state == StoreState::LOADED &&
+         result->item_statuses.at(0).first == request_id() &&
+         result->item_statuses.at(0).second == ItemActionStatus::SUCCESS &&
+         result->updated_items.size() == 1 &&
+         result->updated_items.at(0).request_id() == request_id();
+}
+
+}  // namespace offline_pages