[Sync] Convert sync to a static library.

components/sync/core_impl/syncapi_internal.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_IMPL_SYNCAPI_INTERNAL_H_
 #define COMPONENTS_SYNC_CORE_IMPL_SYNCAPI_INTERNAL_H_
 
 // The functions defined are shared among some of the classes that implement
 // the internal sync API.  They are not to be used by clients of the API.
 
 #include <string>
 
-#include "components/sync/base/sync_export.h"
-
 namespace sync_pb {
 class AttachmentMetadata;
 class EntitySpecifics;
 class PasswordSpecificsData;
 }
 
 namespace syncer {
 
 class Cryptographer;
 
 sync_pb::PasswordSpecificsData* DecryptPasswordSpecifics(
     const sync_pb::EntitySpecifics& specifics,
     Cryptographer* crypto);
 
-SYNC_EXPORT void SyncAPINameToServerName(const std::string& syncer_name,
-                                         std::string* out);
-SYNC_EXPORT void ServerNameToSyncAPIName(const std::string& server_name,
-                                         std::string* out);
+void SyncAPINameToServerName(const std::string& syncer_name, std::string* out);
+void ServerNameToSyncAPIName(const std::string& server_name, std::string* out);
 
 bool IsNameServerIllegalAfterTrimming(const std::string& name);
 
 bool AreSpecificsEqual(const Cryptographer* cryptographer,
                        const sync_pb::EntitySpecifics& left,
                        const sync_pb::EntitySpecifics& right);
 
 // Return true iff |left| and |right| are equal.
 bool AreAttachmentMetadataEqual(const sync_pb::AttachmentMetadata& left,
                                 const sync_pb::AttachmentMetadata& right);
 
 }  // namespace syncer
 
 #endif  // COMPONENTS_SYNC_CORE_IMPL_SYNCAPI_INTERNAL_H_