Remove stale references to PlatformFile flags, errors or functions.

webkit/browser/fileapi/file_system_backend.h

 // Copyright (c) 2012 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_FILE_SYSTEM_BACKEND_H_
 #define WEBKIT_BROWSER_FILEAPI_FILE_SYSTEM_BACKEND_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 53 matching lines @@
   // directory (and/or related database entries etc) for the filesystem if it
   // doesn't exist.
   virtual void ResolveURL(const FileSystemURL& url,
                           OpenFileSystemMode mode,
                           const OpenFileSystemCallback& callback) = 0;
 
   // Returns the specialized AsyncFileUtil for this backend.
   virtual AsyncFileUtil* GetAsyncFileUtil(FileSystemType type) = 0;
 
   // Returns the specialized CopyOrMoveFileValidatorFactory for this backend
-  // and |type|.  If |error_code| is PLATFORM_FILE_OK and the result is NULL,
+  // and |type|.  If |error_code| is File::FILE_OK and the result is NULL,
   // then no validator is required.
   virtual CopyOrMoveFileValidatorFactory* GetCopyOrMoveFileValidatorFactory(
       FileSystemType type, base::File::Error* error_code) = 0;
 
   // Returns a new instance of the specialized FileSystemOperation for this
   // backend based on the given triplet of |origin_url|, |file_system_type|
   // and |virtual_path|. On failure to create a file system operation, set
   // |error_code| correspondingly.
   // This method is usually dispatched by
   // FileSystemContext::CreateFileSystemOperation.
@@ skipping 59 matching lines @@
         const std::string& extension_id) = 0;
   // Gets virtual path by known filesystem path. Returns false when filesystem
   // path is not exposed by this provider.
   virtual bool GetVirtualPath(const base::FilePath& file_system_path,
                               base::FilePath* virtual_path) = 0;
 };
 
 }  // namespace fileapi
 
 #endif  // WEBKIT_BROWSER_FILEAPI_FILE_SYSTEM_BACKEND_H_