Add taskid for navigation, created in session sync

components/sync_sessions/sessions_sync_manager.h

Index: components/sync_sessions/sessions_sync_manager.h
diff --git a/components/sync_sessions/sessions_sync_manager.h b/components/sync_sessions/sessions_sync_manager.h
index d685c65cd42b58f7cb22d4b2b3b6810761165eec..96a98dc46c548f3edc3151e572200b806a9ef2ce 100644
--- a/components/sync_sessions/sessions_sync_manager.h
+++ b/components/sync_sessions/sessions_sync_manager.h
@@ -30,6 +30,7 @@
 #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;
@@ -228,7 +229,8 @@ class SessionsSyncManager : public syncer::SyncableService,
   // Set |session_tab| from |tab_delegate| and |mtime|.
   void SetSessionTabFromDelegate(const SyncedTabDelegate& tab_delegate,
                                  base::Time mtime,
-                                 sessions::SessionTab* session_tab);
+                                 sessions::SessionTab* session_tab,
+                                 TabTasks* tab_tasks);
 
   // Sets |variation_ids| field of |session_tab| with the ids of the currently
   // assigned variations which should be sent to sync.
@@ -323,6 +325,8 @@ class SessionsSyncManager : public syncer::SyncableService,
   // Callback to inform sync that a sync data refresh is requested.
   base::Closure datatype_refresh_callback_;
 
+  TaskTracker task_tracker_;
+
   DISALLOW_COPY_AND_ASSIGN(SessionsSyncManager);
 };