[ew] Add basic classes.

chrome/browser/chromeos/fileapi/file_system_backend.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 CHROME_BROWSER_CHROMEOS_FILEAPI_FILE_SYSTEM_BACKEND_H_
 #define CHROME_BROWSER_CHROMEOS_FILEAPI_FILE_SYSTEM_BACKEND_H_
 
 #include <string>
 #include <vector>
 
 #include "base/compiler_specific.h"
 #include "base/files/file_path.h"
 #include "base/memory/scoped_ptr.h"
 #include "webkit/browser/fileapi/file_system_backend.h"
 #include "webkit/browser/quota/special_storage_policy.h"
 #include "webkit/common/fileapi/file_system_types.h"
 
 namespace storage {
 class CopyOrMoveFileValidatorFactory;
 class ExternalMountPoints;
 class FileSystemURL;
+class WatcherManager;
 }  // namespace storage
 
 namespace chromeos {
 
 class FileSystemBackendDelegate;
 class FileAccessPermissions;
 
 // FileSystemBackend is a Chrome OS specific implementation of
 // ExternalFileSystemBackend. This class is responsible for a
 // number of things, including:
@@ skipping 54 matching lines @@
   static bool CanHandleURL(const storage::FileSystemURL& url);
 
   // storage::FileSystemBackend overrides.
   virtual bool CanHandleType(storage::FileSystemType type) const OVERRIDE;
   virtual void Initialize(storage::FileSystemContext* context) OVERRIDE;
   virtual void ResolveURL(const storage::FileSystemURL& url,
                           storage::OpenFileSystemMode mode,
                           const OpenFileSystemCallback& callback) OVERRIDE;
   virtual storage::AsyncFileUtil* GetAsyncFileUtil(
       storage::FileSystemType type) OVERRIDE;
+  virtual storage::WatcherManager* GetWatcherManager(
+      storage::FileSystemType type) OVERRIDE;
   virtual storage::CopyOrMoveFileValidatorFactory*
       GetCopyOrMoveFileValidatorFactory(storage::FileSystemType type,
                                         base::File::Error* error_code) OVERRIDE;
   virtual storage::FileSystemOperation* CreateFileSystemOperation(
       const storage::FileSystemURL& url,
       storage::FileSystemContext* context,
       base::File::Error* error_code) const OVERRIDE;
   virtual bool SupportsStreaming(
       const storage::FileSystemURL& url) const OVERRIDE;
   virtual bool HasInplaceCopyImplementation(
@@ skipping 53 matching lines @@
   // Globally visible mount points. System MountPonts instance should outlive
   // all FileSystemBackend instances, so raw pointer is safe.
   storage::ExternalMountPoints* system_mount_points_;
 
   DISALLOW_COPY_AND_ASSIGN(FileSystemBackend);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_FILEAPI_FILE_SYSTEM_BACKEND_H_