Add taskid for navigation, created in session sync

components/sync_sessions/sessions_sync_manager.h

 // Copyright 2014 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_SYNC_SESSIONS_SESSIONS_SYNC_MANAGER_H_
 #define COMPONENTS_SYNC_SESSIONS_SESSIONS_SYNC_MANAGER_H_
 
 #include <stddef.h>
 
 #include <map>
@@ skipping 12 matching lines @@
 #include "components/sync/base/sync_prefs.h"
 #include "components/sync/device_info/device_info.h"
 #include "components/sync/model/syncable_service.h"
 #include "components/sync_sessions/favicon_cache.h"
 #include "components/sync_sessions/local_session_event_router.h"
 #include "components/sync_sessions/lost_navigations_recorder.h"
 #include "components/sync_sessions/open_tabs_ui_delegate.h"
 #include "components/sync_sessions/revisit/page_revisit_broadcaster.h"
 #include "components/sync_sessions/synced_session.h"
 #include "components/sync_sessions/synced_session_tracker.h"
+#include "components/sync_sessions/task_tracker.h"
 
 namespace syncer {
 class LocalDeviceInfoProvider;
 class SyncErrorFactory;
 class SyncPrefs;
 }  // namespace syncer
 
 namespace sync_pb {
 class SessionHeader;
 class SessionSpecifics;
@@ skipping 188 matching lines @@
                                  sessions::SessionTab* session_tab);
 
   // Sets |variation_ids| field of |session_tab| with the ids of the currently
   // assigned variations which should be sent to sync.
   static void SetVariationIds(sessions::SessionTab* session_tab);
 
   // Populates |specifics| based on the data in |tab_delegate|.
   void LocalTabDelegateToSpecifics(const SyncedTabDelegate& tab_delegate,
                                    sync_pb::SessionSpecifics* specifics);
 
+  // Updates task tracker with current navigation of |tab_delegate|, and fills
+  // TabNavigation's task id related fields in |specifics|.
+  void TrackTasks(SyncedTabDelegate* const tab_delegate,
+                  sync_pb::SessionSpecifics* specifics);
+
   // It's possible that when we associate windows, tabs aren't all loaded
   // into memory yet (e.g on android) and we don't have a WebContents. In this
   // case we can't do a full association, but we still want to update tab IDs
   // as they may have changed after a session was restored.  This method
   // compares new_tab_id and new_window_id against the previously persisted tab
   // ID and window ID (from our TabNodePool) and updates them if either differs.
   void AssociateRestoredPlaceholderTab(
       const SyncedTabDelegate& tab_delegate,
       SessionID::id_type new_tab_id,
       SessionID::id_type new_window_id,
@@ skipping 65 matching lines @@
 
   std::unique_ptr<sync_sessions::LostNavigationsRecorder>
       lost_navigations_recorder_;
 
   // Callback to inform interested observer that new sessions data has arrived.
   base::Closure sessions_updated_callback_;
 
   // Callback to inform sync that a sync data refresh is requested.
   base::Closure datatype_refresh_callback_;
 
+  // Tracks Chrome Tasks, which associates navigations, with tab and navigation
+  // changes of current session.
+  std::unique_ptr<TaskTracker> task_tracker_;
+
   DISALLOW_COPY_AND_ASSIGN(SessionsSyncManager);
 };
 
 }  // namespace sync_sessions
 
 #endif  // COMPONENTS_SYNC_SESSIONS_SESSIONS_SYNC_MANAGER_H_