[Sync] Convert sync to a static library.

components/sync/engine_impl/commit_util.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_ENGINE_IMPL_COMMIT_UTIL_H_
 #define COMPONENTS_SYNC_ENGINE_IMPL_COMMIT_UTIL_H_
 
 #include <stdint.h>
 
 #include <set>
 
 #include "components/sync/base/extensions_activity.h"
 #include "components/sync/base/model_type.h"
-#include "components/sync/base/sync_export.h"
 #include "components/sync/protocol/sync.pb.h"
 
 namespace sync_pb {
 class CommitMessage;
 class SyncEntity;
 }
 
 namespace syncer {
 
 namespace syncable {
 class BaseTransaction;
 class Entry;
 class Id;
 class BaseWriteTransaction;
 }
 
 namespace commit_util {
 
 // Adds bookmark extensions activity report to |message|.
-SYNC_EXPORT void AddExtensionsActivityToMessage(
+void AddExtensionsActivityToMessage(
     ExtensionsActivity* activity,
     ExtensionsActivity::Records* extensions_activity_buffer,
     sync_pb::CommitMessage* message);
 
 // Fills the config_params field of |message|.
-SYNC_EXPORT void AddClientConfigParamsToMessage(
-    ModelTypeSet enabled_types,
-    bool cookie_jar_mismatch,
-    sync_pb::CommitMessage* message);
+void AddClientConfigParamsToMessage(ModelTypeSet enabled_types,
+                                    bool cookie_jar_mismatch,
+                                    sync_pb::CommitMessage* message);
 
 // Takes a snapshot of |meta_entry| and puts it into a protobuf suitable for use
 // in a commit request message.
-SYNC_EXPORT void BuildCommitItem(const syncable::Entry& meta_entry,
-                                 sync_pb::SyncEntity* sync_entry);
+void BuildCommitItem(const syncable::Entry& meta_entry,
+                     sync_pb::SyncEntity* sync_entry);
 
 // Process a single commit response.  Updates the entry's SERVER fields using
 // |pb_commit_response| and |pb_committed_entry|.
 //
 // The |deleted_folders| parameter is a set of IDs that represent deleted
 // folders.  This function will add its entry's ID to this set if it finds
 // itself processing a folder deletion.
-SYNC_EXPORT
 sync_pb::CommitResponse::ResponseType ProcessSingleCommitResponse(
     syncable::BaseWriteTransaction* trans,
     const sync_pb::CommitResponse_EntryResponse& server_entry,
     const sync_pb::SyncEntity& commit_request_entry,
     int64_t metahandle,
     std::set<syncable::Id>* deleted_folders);
 
 }  // namespace commit_util
 
 }  // namespace syncer
 
 #endif  // COMPONENTS_SYNC_ENGINE_IMPL_COMMIT_UTIL_H_