leveldb: Fixed incorrect header include guard.

Bug: None
Change-Id: I2c9ec29d8559ad1afb61fddafbf27af320b4f8e5
Reviewed-on: https://chromium-review.googlesource.com/683003Reviewed-by: Marijn Kruisselbrink <mek@chromium.org>
Reviewed-by: Ken Buchanan <kenrb@chromium.org>
Commit-Queue: Chris Mumford <cmumford@chromium.org>
Cr-Commit-Position: refs/heads/master@{#504415}

components/leveldb/leveldb_struct_traits.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_LEVELDB_PROTO_LEVELDB_STRUCT_TRAITS_H_
-#define COMPONENTS_LEVELDB_PROTO_LEVELDB_STRUCT_TRAITS_H_
+#ifndef COMPONENTS_LEVELDB_LEVELDB_STRUCT_TRAITS_H_
+#define COMPONENTS_LEVELDB_LEVELDB_STRUCT_TRAITS_H_
 
 #include "components/leveldb/public/interfaces/leveldb.mojom.h"
 
@@ -24,4 +24,4 @@ struct StructTraits<leveldb::mojom::OpenOptionsDataView, leveldb_env::Options> {
 
 }  // namespace mojo
 
-#endif  // COMPONENTS_LEVELDB_PROTO_LEVELDB_STRUCT_TRAITS_H_
+#endif  // COMPONENTS_LEVELDB_LEVELDB_STRUCT_TRAITS_H_