Rewrite base::Bind into base::BindOnce on trivial cases in base

base/metrics/user_metrics.cc

 // Copyright 2014 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 "base/metrics/user_metrics.h"
 
 #include <stddef.h>
 
 #include <vector>
 
@@ skipping 18 matching lines @@
 }
 
 void RecordComputedAction(const std::string& action) {
   if (!g_task_runner.Get()) {
     DCHECK(g_callbacks.Get().empty());
     return;
   }
 
   if (!g_task_runner.Get()->BelongsToCurrentThread()) {
     g_task_runner.Get()->PostTask(FROM_HERE,
-                                  Bind(&RecordComputedAction, action));
+                                  BindOnce(&RecordComputedAction, action));
     return;
   }
 
   for (const ActionCallback& callback : g_callbacks.Get()) {
     callback.Run(action);
   }
 }
 
 void AddActionCallback(const ActionCallback& callback) {
   // Only allow adding a callback if the task runner is set.
@@ skipping 15 matching lines @@
 }
 
 void SetRecordActionTaskRunner(
     scoped_refptr<SingleThreadTaskRunner> task_runner) {
   DCHECK(task_runner->BelongsToCurrentThread());
   DCHECK(!g_task_runner.Get() || g_task_runner.Get()->BelongsToCurrentThread());
   g_task_runner.Get() = task_runner;
 }
 
 }  // namespace base