mojo leveldb: Remove the created file thread.

components/leveldb/leveldb.gyp

 # Copyright 2016 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.
 
 {
   'variables': {
     # This turns on e.g. the filename-based detection of which
     # platforms to include source files on (e.g. files ending in
     # _mac.h or _mac.cc are only compiled on MacOSX).
     'chromium_code': 1,
   },
   'targets': [
     {
       # GN version: //components/leveldb:lib
       'target_name': 'leveldb_lib',
       'type': 'static_library',
       'include_dirs': [
         '../..',
       ],
       'sources': [
         'env_mojo.cc',
         'env_mojo.h',
         'leveldb_database_impl.cc',
         'leveldb_database_impl.h',
-        'leveldb_file_thread.cc',
-        'leveldb_file_thread.h',
+        'leveldb_mojo_proxy.cc',
+        'leveldb_mojo_proxy.h',
         'leveldb_service_impl.cc',
         'leveldb_service_impl.h',
         'util.cc',
         'util.h',
       ],
       'dependencies': [
         'leveldb_bindings_mojom',
         '../../components/filesystem/filesystem.gyp:filesystem_lib',
         '../../mojo/mojo_base.gyp:mojo_application_base',
         '../../mojo/mojo_public.gyp:mojo_cpp_bindings',
@@ skipping 18 matching lines @@
       },
       'dependencies': [
         '../../components/filesystem/filesystem.gyp:filesystem_bindings_mojom',
       ],
       'includes': [
         '../../mojo/mojom_bindings_generator_explicit.gypi',
       ],
     }
   ],
 }