Exclude exe files while unzipping CRXes

third_party/zlib/google/zip.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 THIRD_PARTY_ZLIB_GOOGLE_ZIP_H_
 #define THIRD_PARTY_ZLIB_GOOGLE_ZIP_H_
 
 #include <vector>
 
 #include "base/callback.h"
@@ skipping 23 matching lines @@
 // descriptor |dest_fd|, without taking ownership of |dest_fd|. The paths listed
 // in |src_relative_paths| are relative to the |src_dir| and will be used as the
 // file names in the created zip file. All source paths must be under |src_dir|
 // in the file system hierarchy.
 bool ZipFiles(const base::FilePath& src_dir,
               const std::vector<base::FilePath>& src_relative_paths,
               int dest_fd);
 #endif  // defined(OS_POSIX)
 
 // Unzip the contents of zip_file into dest_dir.
+// For each file in zip_file, include it only if the callback |filter_cb|
+// returns true. Otherwise omit it.
+typedef base::Callback<bool(const base::FilePath&)> FilterCallback;
+bool UnzipWithFilterCallback(const base::FilePath& zip_file,
+                             const base::FilePath& dest_dir,
+                             const FilterCallback& filter_cb);
+
+// Unzip the contents of zip_file into dest_dir.
 bool Unzip(const base::FilePath& zip_file, const base::FilePath& dest_dir);
 
 }  // namespace zip
 
 #endif  // THIRD_PARTY_ZLIB_GOOGLE_ZIP_H_