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_ASH_FILE_SYSTEM_PROVIDER_OPERATIONS_REMOVE_WATCHER_H_
  #define CHROME_BROWSER_ASH_FILE_SYSTEM_PROVIDER_OPERATIONS_REMOVE_WATCHER_H_
  
  #include <memory>
  
  #include "base/files/file.h"
  #include "base/macros.h"
  #include "chrome/browser/ash/file_system_provider/operations/operation.h"
  #include "chrome/browser/ash/file_system_provider/provided_file_system_info.h"
  #include "chrome/browser/ash/file_system_provider/provided_file_system_interface.h"
  #include "chrome/browser/ash/file_system_provider/request_value.h"
  #include "storage/browser/file_system/async_file_util.h"
  
  namespace base {
  class FilePath;
  }  // namespace base
  
  namespace extensions {
  class EventRouter;
  }  // namespace extensions
  
  namespace ash {
  namespace file_system_provider {
  namespace operations {
  
  // Removes a watcher at |entry_path| with the |recursive| mode.
  class RemoveWatcher : public Operation {
   public:
    RemoveWatcher(extensions::EventRouter* event_router,
                  const ProvidedFileSystemInfo& file_system_info,
                  const base::FilePath& entry_path,
                  bool recursive,
                  storage::AsyncFileUtil::StatusCallback callback);
  
    RemoveWatcher(const RemoveWatcher&) = delete;
    RemoveWatcher& operator=(const RemoveWatcher&) = delete;
  
    ~RemoveWatcher() override;
  
    // Operation overrides.
    bool Execute(int request_id) override;
    void OnSuccess(int request_id,
                   std::unique_ptr<RequestValue> result,
                   bool has_more) override;
    void OnError(int request_id,
                 std::unique_ptr<RequestValue> result,
                 base::File::Error error) override;
  
   private:
    const base::FilePath entry_path_;
    bool recursive_;
    storage::AsyncFileUtil::StatusCallback callback_;
  };
  
  }  // namespace operations
  }  // namespace file_system_provider
  }  // namespace ash
  
  #endif  // CHROME_BROWSER_ASH_FILE_SYSTEM_PROVIDER_OPERATIONS_REMOVE_WATCHER_H_
  