[Sync] Convert sync to a static library.

components/sync/engine_impl/syncer_proto_util.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_ENGINE_IMPL_SYNCER_PROTO_UTIL_H_
 #define COMPONENTS_SYNC_ENGINE_IMPL_SYNCER_PROTO_UTIL_H_
 
 #include <string>
 
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "base/time/time.h"
 #include "components/sync/base/model_type.h"
-#include "components/sync/base/sync_export.h"
 #include "components/sync/base/syncer_error.h"
 #include "components/sync/sessions_impl/sync_session.h"
 
 namespace sync_pb {
 class ClientToServerMessage;
 class ClientToServerResponse;
 class ClientToServerResponse_Error;
 class CommitResponse_EntryResponse;
 class EntitySpecifics;
 class SyncEntity;
 }
 
 namespace syncer {
 
 class ServerConnectionManager;
 
 namespace sessions {
 class SyncProtocolError;
 class SyncSessionContext;
 }
 
 namespace syncable {
 class Directory;
 class Entry;
 }
 
 // Returns the types to migrate from the data in |response|.
-SYNC_EXPORT ModelTypeSet
-GetTypesToMigrate(const sync_pb::ClientToServerResponse& response);
+ModelTypeSet GetTypesToMigrate(const sync_pb::ClientToServerResponse& response);
 
 // Builds a SyncProtocolError from the data in |error|.
-SYNC_EXPORT SyncProtocolError ConvertErrorPBToSyncProtocolError(
+SyncProtocolError ConvertErrorPBToSyncProtocolError(
     const sync_pb::ClientToServerResponse_Error& error);
 
-class SYNC_EXPORT SyncerProtoUtil {
+class SyncerProtoUtil {
  public:
   // Posts the given message and fills the buffer with the returned value.
   // Returns true on success.  Also handles store birthday verification: will
   // produce a SyncError if the birthday is incorrect.
   // NOTE: This will add all fields that must be sent on every request, which
   // includes store birthday, protocol version, client chips, api keys, etc.
   static SyncerError PostClientToServerMessage(
       sync_pb::ClientToServerMessage* msg,
       sync_pb::ClientToServerResponse* response,
       sessions::SyncSession* session,
@@ skipping 84 matching lines @@
   FRIEND_TEST_ALL_PREFIXES(SyncerProtoUtilTest, PostAndProcessHeaders);
   FRIEND_TEST_ALL_PREFIXES(SyncerProtoUtilTest, HandleThrottlingNoDatatypes);
   FRIEND_TEST_ALL_PREFIXES(SyncerProtoUtilTest, HandleThrottlingWithDatatypes);
 
   DISALLOW_COPY_AND_ASSIGN(SyncerProtoUtil);
 };
 
 }  // namespace syncer
 
 #endif  // COMPONENTS_SYNC_ENGINE_IMPL_SYNCER_PROTO_UTIL_H_