[mojo-edk] Expose portable API for platform handle wrapping

components/filesystem/directory_impl.cc

 // Copyright 2015 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.
 
 #include "components/filesystem/directory_impl.h"
 
 #include <utility>
 
 #include "base/files/file.h"
 #include "base/files/file_enumerator.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/logging.h"
 #include "build/build_config.h"
 #include "components/filesystem/file_impl.h"
 #include "components/filesystem/lock_table.h"
 #include "components/filesystem/util.h"
 #include "mojo/common/common_type_converters.h"
-#include "mojo/platform_handle/platform_handle_functions.h"
+#include "mojo/public/cpp/system/platform_handle.h"
 
 namespace filesystem {
 
 DirectoryImpl::DirectoryImpl(mojo::InterfaceRequest<mojom::Directory> request,
                              base::FilePath directory_path,
                              scoped_refptr<SharedTempDir> temp_dir,
                              scoped_refptr<LockTable> lock_table)
     : binding_(this, std::move(request)),
       directory_path_(directory_path),
       temp_dir_(std::move(temp_dir)),
@@ skipping 315 matching lines @@
     *error = mojom::FileError::NOT_A_FILE;
     return mojo::ScopedHandle();
   }
 
   base::File base_file(path, open_flags);
   if (!base_file.IsValid()) {
     *error = GetError(base_file);
     return mojo::ScopedHandle();
   }
 
-  MojoHandle mojo_handle;
-  MojoResult create_result = MojoCreatePlatformHandleWrapper(
-      base_file.TakePlatformFile(), &mojo_handle);
-  if (create_result != MOJO_RESULT_OK) {
-    *error = mojom::FileError::FAILED;
-    return mojo::ScopedHandle();
-  }
-
   *error = mojom::FileError::OK;
-  return mojo::ScopedHandle(mojo::Handle(mojo_handle));
+  return mojo::WrapPlatformFile(base_file.TakePlatformFile());
 }
 
 }  // namespace filesystem