[Sync] Convert sync to a static library.

components/sync/core/change_record.h

 // Copyright 2012 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_CORE_CHANGE_RECORD_H_
 #define COMPONENTS_SYNC_CORE_CHANGE_RECORD_H_
 
 #include <stdint.h>
 
 #include <memory>
 #include <vector>
 
 #include "base/memory/linked_ptr.h"
 #include "components/sync/base/immutable.h"
-#include "components/sync/base/sync_export.h"
 #include "components/sync/protocol/password_specifics.pb.h"
 #include "components/sync/protocol/sync.pb.h"
 
 namespace base {
 class DictionaryValue;
 }  // namespace base
 
 namespace syncer {
 
 // TODO(zea): One day get passwords playing nicely with the rest of encryption
 // and get rid of this.
-class SYNC_EXPORT ExtraPasswordChangeRecordData {
+class ExtraPasswordChangeRecordData {
  public:
   ExtraPasswordChangeRecordData();
   explicit ExtraPasswordChangeRecordData(
       const sync_pb::PasswordSpecificsData& data);
   virtual ~ExtraPasswordChangeRecordData();
 
   virtual std::unique_ptr<base::DictionaryValue> ToValue() const;
 
   const sync_pb::PasswordSpecificsData& unencrypted() const;
 
  private:
   sync_pb::PasswordSpecificsData unencrypted_;
 };
 
 // ChangeRecord indicates a single item that changed as a result of a sync
 // operation.  This gives the sync id of the node that changed, and the type
 // of change.  To get the actual property values after an ADD or UPDATE, the
 // client should get the node with InitByIdLookup(), using the provided id.
-struct SYNC_EXPORT ChangeRecord {
+struct ChangeRecord {
   enum Action {
     ACTION_ADD,
     ACTION_DELETE,
     ACTION_UPDATE,
   };
   ChangeRecord();
   ChangeRecord(const ChangeRecord& other);
   ~ChangeRecord();
 
   std::unique_ptr<base::DictionaryValue> ToValue() const;
 
   int64_t id;
   Action action;
   sync_pb::EntitySpecifics specifics;
   linked_ptr<ExtraPasswordChangeRecordData> extra;
 };
 
 typedef std::vector<ChangeRecord> ChangeRecordList;
 
 typedef Immutable<ChangeRecordList> ImmutableChangeRecordList;
 
 }  // namespace syncer
 
 #endif  // COMPONENTS_SYNC_CORE_CHANGE_RECORD_H_