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

sync/internal_api/attachments/proto/BUILD.gn

Index: sync/internal_api/attachments/proto/BUILD.gn
diff --git a/sync/internal_api/attachments/proto/BUILD.gn b/sync/internal_api/attachments/proto/BUILD.gn
deleted file mode 100644
index 2c2fe0834a410fc3ead1beca5b1cab211e14f844..0000000000000000000000000000000000000000
--- a/sync/internal_api/attachments/proto/BUILD.gn
+++ /dev/null
@@ -1,18 +0,0 @@
-# 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.
-
-import("//third_party/protobuf/proto_library.gni")
-
-proto_library("proto") {
-  # This should only get compiled into the sync component.
-  visibility = [ "//sync:sync_core" ]
-
-  sources = [
-    "attachment_store.proto",
-  ]
-  cc_generator_options = "dllexport_decl=SYNC_EXPORT:"
-  cc_include = "sync/base/sync_export.h"
-
-  defines = [ "SYNC_IMPLEMENTATION" ]
-}