Adding RevokeFileSystemByPath

chrome/browser/media_gallery/media_file_system_registry.cc

 // 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.
 
 // MediaFileSystemRegistry implementation.
 
 #include "chrome/browser/media_gallery/media_file_system_registry.h"
 
 #include <set>
 
@@ skipping 164 matching lines @@
       IsolatedContext::GetInstance()->RegisterFileSystemForPath(
           fileapi::kFileSystemTypeIsolated, path, &register_name);
   CHECK(!fsid.empty());
   return fsid;
 }
 
 void MediaFileSystemRegistry::RevokeMediaFileSystem(const FilePath& path) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   IsolatedContext* isolated_context = IsolatedContext::GetInstance();
+  isolated_context->RevokeFileSystemByPath(path);
+
   for (ChildIdToMediaFSMap::iterator child_it = media_fs_map_.begin();
        child_it != media_fs_map_.end();
        ++child_it) {
     MediaPathToFSIDMap& child_map = child_it->second;
     MediaPathToFSIDMap::iterator media_path_it = child_map.find(path);
     if (media_path_it == child_map.end())
       continue;
-    isolated_context->RevokeFileSystem(media_path_it->second);
     child_map.erase(media_path_it);
   }
 }
 
 }  // namespace chrome