[Sync] Fix sync lint errors/includes, update presubmit.

components/sync_sessions/revisit/page_revisit_broadcaster.h

 // Copyright 2015 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_REVISIT_PAGE_REVISIT_BROADCASTER_H_
 #define COMPONENTS_SYNC_SESSIONS_REVISIT_PAGE_REVISIT_BROADCASTER_H_
 
+#include <memory>
 #include <vector>
 
 #include "base/macros.h"
 #include "components/sync_sessions/revisit/page_visit_observer.h"
 #include "ui/base/page_transition_types.h"
 #include "url/gurl.h"
 
 namespace sync_sessions {
 class SyncSessionsClient;
 }
@@ skipping 29 matching lines @@
   SyncSessionsClient* const sessions_client_;
 
   std::vector<std::unique_ptr<PageVisitObserver>> revisit_observers_;
 
   DISALLOW_COPY_AND_ASSIGN(PageRevisitBroadcaster);
 };
 
 }  // namespace sync_sessions
 
 #endif  // COMPONENTS_SYNC_SESSIONS_REVISIT_PAGE_REVISIT_BROADCASTER_H_