Update mtime of directory when containee changed.

webkit/fileapi/obfuscated_file_util.h

 // Copyright (c) 2011 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_FILEAPI_OBFUSCATED_FILE_UTIL_H_
 #define WEBKIT_FILEAPI_OBFUSCATED_FILE_UTIL_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 24 matching lines @@
 // backing file than have a database entry whose backing file is missing.  When
 // doing FSCK operations, if you find a loose backing file with no reference,
 // you may safely delete it.
 //
 // This class is RefCountedThreadSafe because it may gain a reference on the IO
 // thread, but must be deleted on the FILE thread because that's where
 // DropDatabases needs to be called.  References will be held by the
 // SandboxMountPointProvider [and the task it uses to drop the reference] and
 // SandboxMountPointProvider::GetFileSystemRootPathTask.  Without that last one,
 // we wouldn't need ref counting.
-//
-// TODO(ericu): We don't ever update directory mtimes; which operations should
-// do that?
 class ObfuscatedFileUtil : public FileSystemFileUtil,
     public base::RefCountedThreadSafe<ObfuscatedFileUtil> {
  public:
   // Origin enumerator interface.
   // An instance of this interface is assumed to be called on the file thread.
   class AbstractOriginEnumerator {
    public:
     virtual ~AbstractOriginEnumerator() {}
 
     // Returns the next origin.  Returns empty if there are no more origins.
@@ skipping 201 matching lines @@
   scoped_ptr<FileSystemOriginDatabase> origin_database_;
   FilePath file_system_directory_;
   base::OneShotTimer<ObfuscatedFileUtil> timer_;
 
   DISALLOW_COPY_AND_ASSIGN(ObfuscatedFileUtil);
 };
 
 }  // namespace fileapi
 
 #endif  // WEBKIT_FILEAPI_OBFUSCATED_FILE_UTIL_H_