Fix a bunch of IWYU violators that don't include scoped_ptr.h

components/proximity_auth/cryptauth/sync_scheduler.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_PROXIMITY_AUTH_CRYPTAUTH_SYNC_SCHEDULER_H
 #define COMPONENTS_PROXIMITY_AUTH_CRYPTAUTH_SYNC_SCHEDULER_H
 
 #include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/time/time.h"
 
 namespace proximity_auth {
 
 // Interface for scheduling the next CryptAuth sync (e.g. enrollment or device
 // sync). The scheduler has two different strategies affecting when to perform
 // the next operation:
 //     PERIODIC_REFRESH: The last sync was made successfully, so we can wait a
 //         relatively long time before making another sync.
@@ skipping 68 matching lines @@
   virtual SyncState GetSyncState() const = 0;
 
  protected:
   // Called by SyncRequest instances when the sync completes.
   virtual void OnSyncCompleted(bool success) = 0;
 };
 
 }  // namespace proximity_auth
 
 #endif  // COMPONENTS_PROXIMITY_CRYPTAUTH_SYNC_SCHEDULER_H