Move non-API code out of sync/api/attachments/

sync/internal_api/public/attachments/attachment_service.h

 // Copyright 2014 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 SYNC_API_ATTACHMENTS_ATTACHMENT_SERVICE_H_
-#define SYNC_API_ATTACHMENTS_ATTACHMENT_SERVICE_H_
+#ifndef SYNC_INTERNAL_API_PUBLIC_ATTACHMENTS_ATTACHMENT_SERVICE_H_
+#define SYNC_INTERNAL_API_PUBLIC_ATTACHMENTS_ATTACHMENT_SERVICE_H_
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "sync/api/attachments/attachment.h"
 #include "sync/base/sync_export.h"
 
 namespace syncer {
 
@@ skipping 65 matching lines @@
   // Store |attachments| on device and (eventually) upload them to the server.
   //
   // Invokes |callback| once the attachments have been written to device
   // storage.
   virtual void StoreAttachments(const AttachmentList& attachments,
                                 const StoreCallback& callback) = 0;
 };
 
 }  // namespace syncer
 
-#endif  // SYNC_API_ATTACHMENTS_ATTACHMENT_SERVICE_H_
+#endif  // SYNC_INTERNAL_API_PUBLIC_ATTACHMENTS_ATTACHMENT_SERVICE_H_