WebDatabase: check path traversal in origin_identifier

BUG=172264


Review URL: https://chromiumcodereview.appspot.com/12212091

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@183141 0039d316-1c4b-4281-b951-d872f2087c98
void DatabaseMessageFilter::OnDatabaseDeleteFile(const string16& vfs_file_name,
                                                 const bool& sync_dir,
                                                 IPC::Message* reply_msg) {
  DatabaseDeleteFile(vfs_file_name, sync_dir, reply_msg, kNumDeleteRetries);
}

void DatabaseMessageFilter::OnDatabaseDeleteFile(const string16& vfs_file_name,
                                                 const bool& sync_dir,
                                                 IPC::Message* reply_msg) {
  DatabaseDeleteFile(vfs_file_name, sync_dir, reply_msg, kNumDeleteRetries);
}
