Adding a BUILD file for both gyp and gn for the new background_offlining

components/offline_pages/background/request_coordinator.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_coordinator.h"
+
+// TODO(fgorski): include file with SavePageRequest definition.
+
+namespace offline_pages {
+
+// TODO(dougarnett): How to inject Offliner factories and policy objects.
+RequestCoordinator::RequestCoordinator() {
+  // Do setup as needed.
+}
+
+RequestCoordinator::~RequestCoordinator() {
+  // Do cleanup as needed.
+}
+
+bool RequestCoordinator::SavePageLater(const SavePageRequest& request) {
+  return true;
+}
+
+bool RequestCoordinator::StartProcessing(
+    const ProcessingDoneCallback& callback) {
+  return false;
+}
+
+void RequestCoordinator::StopProcessing() {
+}
+
+}  // namespace offline_pages