[Sync] Move attachments code out of core/.

components/wifi_sync/wifi_credential_syncable_service_unittest.cc

 // Copyright 2015 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.
 
 #include "components/wifi_sync/wifi_credential_syncable_service.h"
 
 #include <stdint.h>
 
 #include <memory>
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/time/time.h"
 #include "base/tracked_objects.h"
 #include "components/sync/api/attachments/attachment_id.h"
+#include "components/sync/api/attachments/attachment_service_proxy_for_test.h"
 #include "components/sync/api/fake_sync_change_processor.h"
 #include "components/sync/api/sync_change.h"
 #include "components/sync/api/sync_data.h"
 #include "components/sync/api/sync_error.h"
 #include "components/sync/api/sync_error_factory_mock.h"
-#include "components/sync/core/attachments/attachment_service_proxy_for_test.h"
 #include "components/sync/protocol/sync.pb.h"
 #include "components/wifi_sync/wifi_config_delegate.h"
 #include "components/wifi_sync/wifi_credential.h"
 #include "components/wifi_sync/wifi_security_class.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace wifi_sync {
 
 using syncer::FakeSyncChangeProcessor;
 using syncer::SyncErrorFactoryMock;
@@ skipping 299 matching lines @@
           MakeCredential(kSsidNonUtf8, SECURITY_CLASS_NONE, "")));
   EXPECT_EQ(1, change_processor_changes_size());
   EXPECT_FALSE(
       AddToSyncedNetworks(
           "fake-item-id",
           MakeCredential(kSsidNonUtf8, SECURITY_CLASS_NONE, "")));
   EXPECT_EQ(1, change_processor_changes_size());
 }
 
 }  // namespace wifi_sync