CacheStorage: Migrate to BindOnce/OnceCallback/OnceClosure

content/browser/cache_storage/cache_storage_operation.h

 // Copyright 2016 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_CACHE_STORAGE_CACHE_STORAGE_OPERATION_H_
 #define CONTENT_BROWSER_CACHE_STORAGE_CACHE_STORAGE_OPERATION_H_
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/single_thread_task_runner.h"
 #include "base/time/time.h"
 #include "content/browser/cache_storage/cache_storage_scheduler_client.h"
 #include "content/common/content_export.h"
 
 namespace content {
 
 // An operation to run in the CacheStorageScheduler. It's mostly just a closure
 // to run plus a bunch of metrics data.
 class CONTENT_EXPORT CacheStorageOperation {
  public:
   CacheStorageOperation(
-      const base::Closure& closure,
+      base::OnceClosure closure,
       CacheStorageSchedulerClient client_type,
       scoped_refptr<base::SingleThreadTaskRunner> task_runner);
 
   ~CacheStorageOperation();
 
   // Run the closure passed to the constructor.
   void Run();
 
   base::TimeTicks creation_ticks() const { return creation_ticks_; }
   base::WeakPtr<CacheStorageOperation> AsWeakPtr() {
     return weak_ptr_factory_.GetWeakPtr();
   }
 
  private:
   void NotifyOperationSlow();
 
   // The operation's closure to run.
-  base::Closure closure_;
+  base::OnceClosure closure_;
 
   // Ticks at time of object creation.
   base::TimeTicks creation_ticks_;
 
   // Ticks at time the operation's closure is run.
   base::TimeTicks start_ticks_;
 
   // If the operation took a long time to run.
   bool was_slow_ = false;
 
   CacheStorageSchedulerClient client_type_;
   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
   base::WeakPtrFactory<CacheStorageOperation> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CacheStorageOperation);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_CACHE_STORAGE_CACHE_STORAGE_OPERATION_H_