feat: add shell.trashItem() to replace shell.moveItemToTrash() (#25114)

shell/common/platform_util.cc

@@ -0,0 +1,37 @@
+// Copyright (c) 2020 Slack Technologies, Inc.
+// Use of this source code is governed by the MIT license that can be
+// found in the LICENSE file.
+
+#include "shell/common/platform_util.h"
+
+#include <utility>
+
+#include "base/bind.h"
+#include "base/task/thread_pool.h"
+#include "content/public/browser/browser_task_traits.h"
+#include "content/public/browser/browser_thread.h"
+#include "shell/common/platform_util_internal.h"
+
+namespace platform_util {
+
+void TrashItemOnBlockingThread(
+    const base::FilePath& full_path,
+    base::OnceCallback<void(bool, const std::string&)> callback) {
+  std::string error;
+  bool success = internal::PlatformTrashItem(full_path, &error);
+  content::GetUIThreadTaskRunner({})->PostTask(
+      FROM_HERE, base::BindOnce(std::move(callback), success, error));
+}
+
+void TrashItem(const base::FilePath& full_path,
+               base::OnceCallback<void(bool, const std::string&)> callback) {
+  // XXX: is continue_on_shutdown right?
+  base::ThreadPool::PostTask(FROM_HERE,
+                             {base::MayBlock(), base::WithBaseSyncPrimitives(),
+                              base::TaskPriority::USER_BLOCKING,
+                              base::TaskShutdownBehavior::CONTINUE_ON_SHUTDOWN},
+                             base::BindOnce(&TrashItemOnBlockingThread,
+                                            full_path, std::move(callback)));
+}
+
+}  // namespace platform_util