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

components/sync/engine/configure_reason.h

Index: components/sync/engine/configure_reason.h
diff --git a/components/sync/core/configure_reason.h b/components/sync/engine/configure_reason.h
similarity index 91%
rename from components/sync/core/configure_reason.h
rename to components/sync/engine/configure_reason.h
index 0115ea9f99c0f58c144d7cfab72e4160e1f8180a..0f14b7bdfaeeea7dfdcd8f4e0cbab620da056007 100644
--- a/components/sync/core/configure_reason.h
+++ b/components/sync/engine/configure_reason.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_CONFIGURE_REASON_H_
-#define COMPONENTS_SYNC_CORE_CONFIGURE_REASON_H_
+#ifndef COMPONENTS_SYNC_ENGINE_CONFIGURE_REASON_H_
+#define COMPONENTS_SYNC_ENGINE_CONFIGURE_REASON_H_
 
 namespace syncer {
 
@@ -47,4 +47,4 @@ enum ConfigureReason {
 
 }  // namespace syncer
 
-#endif  // COMPONENTS_SYNC_CORE_CONFIGURE_REASON_H_
+#endif  // COMPONENTS_SYNC_ENGINE_CONFIGURE_REASON_H_