Replace Closure in TaskRunner::PostTask with OneShotCallback

base/files/file_util_proxy.cc

Index: base/files/file_util_proxy.cc
diff --git a/base/files/file_util_proxy.cc b/base/files/file_util_proxy.cc
index 633d162599c67a0cfe27cf84db37a05ab0321663..ef3ec98b885795f862a9bd43b4d4b0a8e4fbdb13 100644
--- a/base/files/file_util_proxy.cc
+++ b/base/files/file_util_proxy.cc
@@ -83,8 +83,7 @@ bool FileUtilProxy::DeleteFile(TaskRunner* task_runner,
                                bool recursive,
                                const StatusCallback& callback) {
   return base::PostTaskAndReplyWithResult(
-      task_runner, FROM_HERE,
-      Bind(&DeleteAdapter, file_path, recursive),
+      task_runner, FROM_HERE, BindOnce(&DeleteAdapter, file_path, recursive),
       callback);
 }