[Sync] Move the last things out of core/.

components/sync/engine/connection_status.h

Index: components/sync/engine/connection_status.h
diff --git a/components/sync/core/connection_status.h b/components/sync/engine/connection_status.h
similarity index 70%
rename from components/sync/core/connection_status.h
rename to components/sync/engine/connection_status.h
index 2bcb5410a52b96f8c800b534a21ede2e5e335604..a0a2b62f2ab6fb60e7c2c82cd734e352f67d17e8 100644
--- a/components/sync/core/connection_status.h
+++ b/components/sync/engine/connection_status.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 COMPONENTS_SYNC_CORE_CONNECTION_STATUS_H_
-#define COMPONENTS_SYNC_CORE_CONNECTION_STATUS_H_
+#ifndef COMPONENTS_SYNC_ENGINE_CONNECTION_STATUS_H_
+#define COMPONENTS_SYNC_ENGINE_CONNECTION_STATUS_H_
 
 namespace syncer {
 
@@ -17,4 +17,4 @@ enum ConnectionStatus {
 
 }  // namespace syncer
 
-#endif  // COMPONENTS_SYNC_CORE_CONNECTION_STATUS_H_
+#endif  // COMPONENTS_SYNC_ENGINE_CONNECTION_STATUS_H_