mojo: Fix leveldb unittests by making fs::Directories cloneable.

components/filesystem/file_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/file_impl.h"
 
 #include <stddef.h>
 #include <stdint.h>
 #include <limits>
 #include <utility>
 
 #include "base/files/file_path.h"
 #include "base/files/scoped_file.h"
 #include "base/logging.h"
 #include "build/build_config.h"
 #include "components/filesystem/lock_table.h"
+#include "components/filesystem/shared_temp_dir.h"
 #include "components/filesystem/util.h"
 #include "mojo/common/common_type_converters.h"
 #include "mojo/platform_handle/platform_handle_functions.h"
 
 static_assert(sizeof(off_t) <= sizeof(int64_t), "off_t too big");
 static_assert(sizeof(size_t) >= sizeof(uint32_t), "size_t too small");
 
 using base::Time;
 using mojo::ScopedHandle;
 
 namespace filesystem {
 namespace {
 
 const size_t kMaxReadSize = 1 * 1024 * 1024;  // 1 MB.
 
 }  // namespace
 
 FileImpl::FileImpl(mojo::InterfaceRequest<File> request,
                    const base::FilePath& path,
                    uint32_t flags,
+                   scoped_refptr<SharedTempDir> temp_dir,
                    scoped_refptr<LockTable> lock_table)
     : binding_(this, std::move(request)),
       file_(path, flags),
       path_(path),
+      temp_dir_(std::move(temp_dir)),
       lock_table_(std::move(lock_table)) {
   DCHECK(file_.IsValid());
 }
 
 FileImpl::FileImpl(mojo::InterfaceRequest<File> request,
                    const base::FilePath& path,
                    base::File file,
+                   scoped_refptr<SharedTempDir> temp_dir,
                    scoped_refptr<LockTable> lock_table)
     : binding_(this, std::move(request)),
       file_(std::move(file)),
       path_(path),
+      temp_dir_(std::move(temp_dir)),
       lock_table_(std::move(lock_table)) {
   DCHECK(file_.IsValid());
 }
 
 FileImpl::~FileImpl() {
   if (file_.IsValid())
     lock_table_->RemoveFromLockTable(path_);
 }
 
 bool FileImpl::IsValid() const {
@@ skipping 228 matching lines @@
     return;
   }
 
   base::File new_file = file_.Duplicate();
   if (!new_file.IsValid()) {
     callback.Run(GetError(new_file));
     return;
   }
 
   if (file.is_pending())
-    new FileImpl(std::move(file), path_, std::move(new_file), lock_table_);
+    new FileImpl(std::move(file), path_, std::move(new_file), temp_dir_,
+                 lock_table_);
   callback.Run(FileError::OK);
 }
 
 void FileImpl::Flush(const FlushCallback& callback) {
   if (!file_.IsValid()) {
     callback.Run(GetError(file_));
     return;
   }
 
   bool ret = file_.Flush();
@@ skipping 41 matching lines @@
       new_file.TakePlatformFile(), &mojo_handle);
   if (create_result != MOJO_RESULT_OK) {
     callback.Run(FileError::FAILED, ScopedHandle());
     return;
   }
 
   callback.Run(FileError::OK, ScopedHandle(mojo::Handle(mojo_handle)));
 }
 
 }  // namespace filesystem