[Sync] Move //sync to //components/sync.

components/sync/api/syncable_service.cc

 // Copyright (c) 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.
 
-#include "sync/api/syncable_service.h"
+#include "components/sync/api/syncable_service.h"
 
 namespace syncer {
 
 SyncableService::~SyncableService() {}
 
 std::unique_ptr<AttachmentStoreForSync>
 SyncableService::GetAttachmentStoreForSync() {
   return std::unique_ptr<AttachmentStoreForSync>();
 }
 
 void SyncableService::SetAttachmentService(
     std::unique_ptr<AttachmentService> attachment_service) {}
 
 }  // namespace syncer