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

components/sync/engine_impl/js_sync_encryption_handler_observer.h

Index: components/sync/engine_impl/js_sync_encryption_handler_observer.h
diff --git a/components/sync/core_impl/js_sync_encryption_handler_observer.h b/components/sync/engine_impl/js_sync_encryption_handler_observer.h
similarity index 87%
rename from components/sync/core_impl/js_sync_encryption_handler_observer.h
rename to components/sync/engine_impl/js_sync_encryption_handler_observer.h
index fc1e831f0a97e37f4ca92e403b0f1c8a8bb71f87..1339f01300f02453e6a1e7d835e88375d2521357 100644
--- a/components/sync/core_impl/js_sync_encryption_handler_observer.h
+++ b/components/sync/engine_impl/js_sync_encryption_handler_observer.h
@@ -2,15 +2,15 @@
 // 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_ENCRYPTION_HANDLER_OBSERVER_H_
-#define COMPONENTS_SYNC_CORE_IMPL_JS_SYNC_ENCRYPTION_HANDLER_OBSERVER_H_
+#ifndef COMPONENTS_SYNC_ENGINE_IMPL_JS_SYNC_ENCRYPTION_HANDLER_OBSERVER_H_
+#define COMPONENTS_SYNC_ENGINE_IMPL_JS_SYNC_ENCRYPTION_HANDLER_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_encryption_handler.h"
+#include "components/sync/engine/sync_encryption_handler.h"
 #include "components/sync/protocol/sync_protocol_error.h"
 
 namespace tracked_objects {
@@ -58,4 +58,4 @@ class JsSyncEncryptionHandlerObserver : public SyncEncryptionHandler::Observer {
 
 }  // namespace syncer
 
-#endif  // COMPONENTS_SYNC_CORE_IMPL_JS_SYNC_ENCRYPTION_HANDLER_OBSERVER_H_
+#endif  // COMPONENTS_SYNC_ENGINE_IMPL_JS_SYNC_ENCRYPTION_HANDLER_OBSERVER_H_