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

sync/sync.gyp

Index: sync/sync.gyp
diff --git a/sync/sync.gyp b/sync/sync.gyp
index d7bfb1ac584c1a022e50a288d43c444c4750c3ca..8314738e71d72ca805e61a961081c93c0aa34ffc 100644
--- a/sync/sync.gyp
+++ b/sync/sync.gyp
@@ -59,22 +59,12 @@
       'sources': [
         'api/attachments/attachment.cc',
         'api/attachments/attachment.h',
-        'api/attachments/attachment_downloader.cc',
-        'api/attachments/attachment_downloader.h',
         'api/attachments/attachment_id.cc',
         'api/attachments/attachment_id.h',
-        'api/attachments/attachment_service.cc',
-        'api/attachments/attachment_service.h',
-        'api/attachments/attachment_service_impl.cc',
-        'api/attachments/attachment_service_impl.h',
-        'api/attachments/attachment_service_proxy.cc',
-        'api/attachments/attachment_service_proxy.h',
-        'api/attachments/attachment_service_proxy_for_test.cc',
-        'api/attachments/attachment_service_proxy_for_test.h',
         'api/attachments/attachment_store.cc',
         'api/attachments/attachment_store.h',
-        'api/attachments/attachment_uploader.cc',
-        'api/attachments/attachment_uploader.h',
+        'api/attachments/fake_attachment_store.cc',
+        'api/attachments/fake_attachment_store.h',
         'api/string_ordinal.h',
         'api/sync_change.cc',
         'api/sync_change.h',
@@ -173,10 +163,15 @@
         'engine/update_applicator.h',
         'engine/update_handler.cc',
         'engine/update_handler.h',
+        'internal_api/attachments/attachment_downloader.cc',
         'internal_api/attachments/attachment_downloader_impl.cc',
+        'internal_api/attachments/attachment_service.cc',
+        'internal_api/attachments/attachment_service_impl.cc',
+        'internal_api/attachments/attachment_service_proxy.cc',
+        'internal_api/attachments/attachment_service_proxy_for_test.cc',
+        'internal_api/attachments/attachment_uploader.cc',
         'internal_api/attachments/attachment_uploader_impl.cc',
         'internal_api/attachments/fake_attachment_downloader.cc',
-        'internal_api/attachments/fake_attachment_store.cc',
         'internal_api/attachments/fake_attachment_uploader.cc',
         'internal_api/base_node.cc',
         'internal_api/base_transaction.cc',
@@ -204,10 +199,15 @@
         'internal_api/js_sync_manager_observer.h',
         'internal_api/protocol_event_buffer.cc',
         'internal_api/protocol_event_buffer.h',
+        'internal_api/attachments/public/attachment_downloader.h',
+        'internal_api/attachments/public/attachment_service.h',
+        'internal_api/attachments/public/attachment_service_impl.h',
+        'internal_api/attachments/public/attachment_service_proxy_for_test.h',
+        'internal_api/attachments/public/attachment_service_proxy.h',
+        'internal_api/attachments/public/attachment_uploader.h',
         'internal_api/public/attachments/attachment_downloader_impl.h',
         'internal_api/public/attachments/attachment_uploader_impl.h',
         'internal_api/public/attachments/fake_attachment_downloader.h',
-        'internal_api/public/attachments/fake_attachment_store.h',
         'internal_api/public/attachments/fake_attachment_uploader.h',
         'internal_api/public/base/attachment_id_proto.cc',
         'internal_api/public/base/attachment_id_proto.h',