[Offline Pages] Create a event/activity logger

components/offline_pages/background/request_coordinator_event_logger.h

Index: components/offline_pages/background/request_coordinator_event_logger.h
diff --git a/components/offline_pages/background/request_coordinator_event_logger.h b/components/offline_pages/background/request_coordinator_event_logger.h
new file mode 100644
index 0000000000000000000000000000000000000000..e9786cd346dd066755fc97f2232b8d64d4d34d19
--- /dev/null
+++ b/components/offline_pages/background/request_coordinator_event_logger.h
@@ -0,0 +1,23 @@
+// 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.
+
+#ifndef COMPONENTS_OFFLINE_PAGES_BACKGROUND_REQUEST_COORDINATOR_EVENT_LOGGER_H_
+#define COMPONENTS_OFFLINE_PAGES_BACKGROUND_REQUEST_COORDINATOR_EVENT_LOGGER_H_
+
+#include "components/offline_pages/offline_event_logger.h"
+
+namespace offline_pages {
+
+class RequestCoordinatorEventLogger : public OfflineEventLogger {
+ public:
+  // Records that a background task with SavePageRequest |request_id|
+  // has been updated.
+  void RecordSavePageRequestUpdated(const std::string& name_space,
+                                    const std::string& new_status,
+                                    const std::string& request_id);
+};
+
+}  // namespace offline_pages
+
+#endif  // COMPONENTS_OFFLINE_PAGES_BACKGROUND_REQUEST_COORDINATOR_EVENT_LOGGER_H_