[Offline pages] Empty RequestQueue and SavePageRequest

components/offline_pages/background/save_page_request.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/save_page_request.h"
+
+namespace offline_pages {
+
+SavePageRequest::SavePageRequest()
+    : request_id(-1), status(ACTIVE), attempt_count(0) {}
+
+SavePageRequest::~SavePageRequest() {}
+
+}  // namespace offline_pages