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

sync/internal_api/public/attachments/attachment_uploader.h

Index: sync/internal_api/public/attachments/attachment_uploader.h
diff --git a/sync/api/attachments/attachment_uploader.h b/sync/internal_api/public/attachments/attachment_uploader.h
similarity index 86%
rename from sync/api/attachments/attachment_uploader.h
rename to sync/internal_api/public/attachments/attachment_uploader.h
index 4774451d53faeebbffa313bed821f101261e443f..7c2f39c9d407f2501f76b10ede0e29b5de883323 100644
--- a/sync/api/attachments/attachment_uploader.h
+++ b/sync/internal_api/public/attachments/attachment_uploader.h
@@ -2,8 +2,8 @@
 // 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_UPLOADER_H_
-#define SYNC_API_ATTACHMENTS_ATTACHMENT_UPLOADER_H_
+#ifndef SYNC_INTERNAL_API_PUBLIC_ATTACHMENTS_ATTACHMENT_UPLOADER_H_
+#define SYNC_INTERNAL_API_PUBLIC_ATTACHMENTS_ATTACHMENT_UPLOADER_H_
 
 #include "base/basictypes.h"
 #include "base/callback.h"
@@ -42,4 +42,4 @@ class SYNC_EXPORT AttachmentUploader {
 
 }  // namespace syncer
 
-#endif  // SYNC_API_ATTACHMENTS_ATTACHMENT_UPLOADER_H_
+#endif  // SYNC_INTERNAL_API_PUBLIC_ATTACHMENTS_ATTACHMENT_UPLOADER_H_