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

components/sync/engine_impl/js_sync_manager_observer.h

 // Copyright 2012 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.
 
-#ifndef COMPONENTS_SYNC_CORE_IMPL_JS_SYNC_MANAGER_OBSERVER_H_
-#define COMPONENTS_SYNC_CORE_IMPL_JS_SYNC_MANAGER_OBSERVER_H_
+#ifndef COMPONENTS_SYNC_ENGINE_IMPL_JS_SYNC_MANAGER_OBSERVER_H_
+#define COMPONENTS_SYNC_ENGINE_IMPL_JS_SYNC_MANAGER_OBSERVER_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "components/sync/base/weak_handle.h"
-#include "components/sync/core/sync_manager.h"
+#include "components/sync/engine/sync_manager.h"
 #include "components/sync/protocol/sync_protocol_error.h"
 
 namespace tracked_objects {
 class Location;
 }  // namespace tracked_objects
 
 namespace syncer {
 
 class JsEventDetails;
 class JsEventHandler;
@@ skipping 23 matching lines @@
                      const std::string& name,
                      const JsEventDetails& details);
 
   WeakHandle<JsEventHandler> event_handler_;
 
   DISALLOW_COPY_AND_ASSIGN(JsSyncManagerObserver);
 };
 
 }  // namespace syncer
 
-#endif  // COMPONENTS_SYNC_CORE_IMPL_JS_SYNC_MANAGER_OBSERVER_H_
+#endif  // COMPONENTS_SYNC_ENGINE_IMPL_JS_SYNC_MANAGER_OBSERVER_H_