[Sync] Move attachments code out of core/.

components/sync/engine/attachments/fake_attachment_downloader.h

Index: components/sync/engine/attachments/fake_attachment_downloader.h
diff --git a/components/sync/core/attachments/fake_attachment_downloader.h b/components/sync/engine/attachments/fake_attachment_downloader.h
similarity index 74%
rename from components/sync/core/attachments/fake_attachment_downloader.h
rename to components/sync/engine/attachments/fake_attachment_downloader.h
index 68a224af5dad76ff295d9f05d5b14bacbbb06810..6c572819f8f5558b485b0f672344b58f7628dc39 100644
--- a/components/sync/core/attachments/fake_attachment_downloader.h
+++ b/components/sync/engine/attachments/fake_attachment_downloader.h
@@ -2,12 +2,12 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef COMPONENTS_SYNC_CORE_ATTACHMENTS_FAKE_ATTACHMENT_DOWNLOADER_H_
-#define COMPONENTS_SYNC_CORE_ATTACHMENTS_FAKE_ATTACHMENT_DOWNLOADER_H_
+#ifndef COMPONENTS_SYNC_ENGINE_ATTACHMENTS_FAKE_ATTACHMENT_DOWNLOADER_H_
+#define COMPONENTS_SYNC_ENGINE_ATTACHMENTS_FAKE_ATTACHMENT_DOWNLOADER_H_
 
 #include "base/macros.h"
 #include "base/threading/non_thread_safe.h"
-#include "components/sync/core/attachments/attachment_downloader.h"
+#include "components/sync/engine/attachments/attachment_downloader.h"
 
 namespace syncer {
 
@@ -29,4 +29,4 @@ class FakeAttachmentDownloader : public AttachmentDownloader,
 
 }  // namespace syncer
 
-#endif  // COMPONENTS_SYNC_CORE_ATTACHMENTS_FAKE_ATTACHMENT_DOWNLOADER_H_
+#endif  // COMPONENTS_SYNC_ENGINE_ATTACHMENTS_FAKE_ATTACHMENT_DOWNLOADER_H_