Retry: Move some sync/notifier to components/invalidation

sync/notifier/unacked_invalidation_set.h

 // Copyright 2013 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 SYNC_NOTIFIER_UNACKED_INVALIDATION_SET_H_
 #define SYNC_NOTIFIER_UNACKED_INVALIDATION_SET_H_
 
 #include <vector>
 
 #include "sync/base/sync_export.h"
@@ skipping 16 matching lines @@
 class AckHandle;
 
 // Manages the set of invalidations that are awaiting local acknowledgement for
 // a particular ObjectId.  This set of invalidations will be persisted across
 // restarts, though this class is not directly responsible for that.
 class SYNC_EXPORT UnackedInvalidationSet {
  public:
   static const size_t kMaxBufferedInvalidations;
 
   UnackedInvalidationSet(invalidation::ObjectId id);
+  UnackedInvalidationSet(const UnackedInvalidationSet& other);
   ~UnackedInvalidationSet();
 
   // Returns the ObjectID of the invalidations this class is tracking.
   const invalidation::ObjectId& object_id() const;
 
   // Adds a new invalidation to the set awaiting acknowledgement.
   void Add(const Invalidation& invalidation);
 
   // Adds many new invalidations to the set awaiting acknowledgement.
   void AddSet(const SingleObjectInvalidationSet& invalidations);
@@ skipping 61 matching lines @@
   InvalidationsSet invalidations_;
 };
 
 typedef std::map<invalidation::ObjectId,
                  UnackedInvalidationSet,
                  ObjectIdLessThan> UnackedInvalidationsMap;
 
 }  // namespace syncer
 
 #endif  // SYNC_NOTIFIER_UNACKED_INVALIDATION_SET_H_