text: // 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.
  
  #ifndef CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_OPERATIONS_UNMOUNT_H_
  #define CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_OPERATIONS_UNMOUNT_H_
  
  #include "base/files/file.h"
  #include "base/memory/scoped_ptr.h"
  #include "chrome/browser/chromeos/file_system_provider/operations/operation.h"
  #include "storage/browser/fileapi/async_file_util.h"
  
  namespace base {
  class DictionaryValue;
  }  // namespace base
  
  namespace extensions {
  class EventRouter;
  }  // namespace extensions
  
  namespace chromeos {
  namespace file_system_provider {
  
  class ProvidedFileSystemInfo;
  
  namespace operations {
  
  // Bridge between fileManagerPrivate's unmount operation and providing
  // extension's unmount request. Created per request.
  class Unmount : public Operation {
   public:
    Unmount(extensions::EventRouter* event_router,
            const ProvidedFileSystemInfo& file_system_info,
            const storage::AsyncFileUtil::StatusCallback& callback);
    virtual ~Unmount();
  
    // Operation overrides.
    virtual bool Execute(int request_id) OVERRIDE;
    virtual void OnSuccess(int request_id,
                           scoped_ptr<RequestValue> result,
                           bool has_more) OVERRIDE;
    virtual void OnError(int request_id,
                         scoped_ptr<RequestValue> result,
                         base::File::Error error) OVERRIDE;
  
   private:
    const storage::AsyncFileUtil::StatusCallback callback_;
  
    DISALLOW_COPY_AND_ASSIGN(Unmount);
  };
  
  }  // namespace operations
  }  // namespace file_system_provider
  }  // namespace chromeos
  
  #endif  // CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_OPERATIONS_UNMOUNT_H_
  