[Sync] Convert sync to a static library.

components/sync/syncable/syncable_delete_journal.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 COMPONENTS_SYNC_SYNCABLE_SYNCABLE_DELETE_JOURNAL_H_
 #define COMPONENTS_SYNC_SYNCABLE_SYNCABLE_DELETE_JOURNAL_H_
 
 #include <stddef.h>
 
 #include <set>
 
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "base/synchronization/lock.h"
-#include "components/sync/base/sync_export.h"
 #include "components/sync/syncable/metahandle_set.h"
 #include "components/sync/syncable/syncable-inl.h"
 
 namespace syncer {
 namespace syncable {
 
 class BaseTransaction;
 struct EntryKernel;
 
 typedef std::set<const EntryKernel*, LessField<IdField, ID>> JournalIndex;
 
 // DeleteJournal manages deleted entries that are not in sync directory until
 // it's safe to drop them after the deletion is confirmed with native models.
 // DeleteJournal is thread-safe and can be accessed on any thread. Has to hold
 // a valid transaction object when calling methods of DeleteJournal, thus each
 // method requires a non-null |trans| parameter.
-class SYNC_EXPORT DeleteJournal {
+class DeleteJournal {
  public:
   // Initialize |delete_journals_| using |intitial_journal|, whose content is
   // destroyed during initialization.
   explicit DeleteJournal(JournalIndex* initial_journal);
   ~DeleteJournal();
 
   // For testing only.
   size_t GetDeleteJournalSize(BaseTransaction* trans) const;
 
   // Add/remove |entry| to/from |delete_journals_| according to its
@@ skipping 56 matching lines @@
   // saved to database.
   ModelTypeSet passive_delete_journal_types_;
 
   DISALLOW_COPY_AND_ASSIGN(DeleteJournal);
 };
 
 }  // namespace syncable
 }  // namespace syncer
 
 #endif  // COMPONENTS_SYNC_SYNCABLE_SYNCABLE_DELETE_JOURNAL_H_