Replace Closure in TaskRunner::PostTask with OneShotCallback

content/browser/dom_storage/dom_storage_task_runner.h

 // Copyright 2013 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.
 
 #ifndef CONTENT_BROWSER_DOM_STORAGE_DOM_STORAGE_TASK_RUNNER_H_
 #define CONTENT_BROWSER_DOM_STORAGE_DOM_STORAGE_TASK_RUNNER_H_
 
 #include "base/memory/ref_counted.h"
 #include "base/sequenced_task_runner.h"
 #include "base/single_thread_task_runner.h"
@@ skipping 20 matching lines @@
     : public base::TaskRunner {
  public:
   enum SequenceID {
     PRIMARY_SEQUENCE,
     COMMIT_SEQUENCE
   };
 
   // The PostTask() and PostDelayedTask() methods defined by TaskRunner
   // post shutdown-blocking tasks on the primary sequence.
   bool PostDelayedTask(const tracked_objects::Location& from_here,
-                       const base::Closure& task,
+                       base::OnceClosure task,
                        base::TimeDelta delay) override = 0;
 
   // Posts a shutdown blocking task to |sequence_id|.
   virtual bool PostShutdownBlockingTask(
       const tracked_objects::Location& from_here,
       SequenceID sequence_id,
-      const base::Closure& task) = 0;
+      base::OnceClosure task) = 0;
 
   // The TaskRunner override returns true if the current thread is running
   // on the primary sequence.
   bool RunsTasksOnCurrentThread() const override;
 
   // Returns true if the current thread is running on the given |sequence_id|.
   virtual bool IsRunningOnSequence(SequenceID sequence_id) const = 0;
   bool IsRunningOnPrimarySequence() const {
     return IsRunningOnSequence(PRIMARY_SEQUENCE);
   }
@@ skipping 14 matching lines @@
 class CONTENT_EXPORT DOMStorageWorkerPoolTaskRunner :
       public DOMStorageTaskRunner {
  public:
   DOMStorageWorkerPoolTaskRunner(
       base::SequencedWorkerPool* sequenced_worker_pool,
       base::SequencedWorkerPool::SequenceToken primary_sequence_token,
       base::SequencedWorkerPool::SequenceToken commit_sequence_token,
       base::SingleThreadTaskRunner* delayed_task_task_runner);
 
   bool PostDelayedTask(const tracked_objects::Location& from_here,
-                       const base::Closure& task,
+                       base::OnceClosure task,
                        base::TimeDelta delay) override;
 
   bool PostShutdownBlockingTask(const tracked_objects::Location& from_here,
                                 SequenceID sequence_id,
-                                const base::Closure& task) override;
+                                base::OnceClosure task) override;
 
   bool IsRunningOnSequence(SequenceID sequence_id) const override;
 
   scoped_refptr<base::SequencedTaskRunner> GetSequencedTaskRunner(
       SequenceID sequence_id) override;
 
  protected:
   ~DOMStorageWorkerPoolTaskRunner() override;
 
  private:
@@ skipping 10 matching lines @@
 // we don't block in unit tests waiting for timeouts to expire.
 // There is no distinction between [non]-shutdown-blocking or
 // the primary sequence vs the commit sequence in the mock,
 // all tasks are scheduled on |message_loop| with zero delay.
 class CONTENT_EXPORT MockDOMStorageTaskRunner :
       public DOMStorageTaskRunner {
  public:
   explicit MockDOMStorageTaskRunner(base::SingleThreadTaskRunner* task_runner);
 
   bool PostDelayedTask(const tracked_objects::Location& from_here,
-                       const base::Closure& task,
+                       base::OnceClosure task,
                        base::TimeDelta delay) override;
 
   bool PostShutdownBlockingTask(const tracked_objects::Location& from_here,
                                 SequenceID sequence_id,
-                                const base::Closure& task) override;
+                                base::OnceClosure task) override;
 
   bool IsRunningOnSequence(SequenceID sequence_id) const override;
 
   scoped_refptr<base::SequencedTaskRunner> GetSequencedTaskRunner(
       SequenceID sequence_id) override;
 
  protected:
   ~MockDOMStorageTaskRunner() override;
 
  private:
   const scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DOM_STORAGE_DOM_STORAGE_TASK_RUNNER_H_