Migrate webkit/browser/ to storage/browser/

webkit/browser/fileapi/watcher_manager.h

 // 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 WEBKIT_BROWSER_FILEAPI_WATCHER_MANAGER_H_
-#define WEBKIT_BROWSER_FILEAPI_WATCHER_MANAGER_H_
-
-#include <vector>
-
-#include "base/basictypes.h"
-#include "base/callback_forward.h"
-#include "base/files/file.h"
-
-namespace base {
-class Time;
-}
-
-namespace storage {
-
-class FileSystemOperationContext;
-class FileSystemURL;
-
-// An interface for providing entry observing capability for file system
-// backends.
-//
-// It is NOT valid to give null callback to this class, and implementors
-// can assume that they don't get any null callbacks.
-class WatcherManager {
- public:
-  typedef base::Callback<void(base::File::Error result)> StatusCallback;
-
-  // Observes watched entries.
-  class Observer {
-   public:
-    Observer() {}
-    virtual ~Observer() {}
-
-    // Notifies about an entry represented by |url| being changed.
-    virtual void OnEntryChanged(const FileSystemURL& url) = 0;
-
-    // Notifies about an entry represented by |url| being removed.
-    virtual void OnEntryRemoved(const FileSystemURL& url) = 0;
-  };
-
-  virtual ~WatcherManager() {}
-
-  virtual void AddObserver(Observer* observer) = 0;
-  virtual void RemoveObserver(Observer* observer) = 0;
-  virtual bool HasObserver(Observer* observer) const = 0;
-
-  // Observes a directory entry. If the |recursive| mode is not supported then
-  // FILE_ERROR_INVALID_OPERATION must be returned as an error. If the |url| is
-  // already watched, or setting up the watcher fails, then |callback|
-  // must be called with a specific error code. Otherwise |callback| must be
-  // called with the FILE_OK error code.
-  virtual void WatchDirectory(const FileSystemURL& url,
-                              bool recursive,
-                              const StatusCallback& callback) = 0;
-
-  // Stops observing an entry represented by |url|.
-  virtual void UnwatchEntry(const FileSystemURL& url,
-                            const StatusCallback& callback) = 0;
-};
-
-}  // namespace storage
-
-#endif  // WEBKIT_BROWSER_FILEAPI_WATCHER_MANAGER_H_
+#include "storage/browser/fileapi/watcher_manager.h"