Exclude exe files while unzipping CRXes

extensions/utility/utility_handler.cc

 // Copyright 2014 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.
 
 #include "extensions/utility/utility_handler.h"
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/i18n/rtl.h"
@@ skipping 63 matching lines @@
         manifest.errors()));
   } else {
     Send(new ExtensionUtilityHostMsg_ParseUpdateManifest_Succeeded(
         manifest.results()));
   }
   ReleaseProcessIfNeeded();
 }
 
 void UtilityHandler::OnUnzipToDir(const base::FilePath& zip_path,
                                   const base::FilePath& dir) {
-  if (!zip::Unzip(zip_path, dir)) {
+  const base::Callback<bool(const base::FilePath&)>& filter_cb =
+      base::Bind(&Unpacker::ShouldExtractFile);
+  // TODO(crbug.com/645263): This silently ignores blocked file types.
+  //                         Add install warnings.
+  if (!zip::UnzipWithFilterCallback(zip_path, dir, filter_cb)) {
     Send(new ExtensionUtilityHostMsg_UnzipToDir_Failed(
         std::string(kExtensionHandlerUnzipError)));
   } else {
     Send(new ExtensionUtilityHostMsg_UnzipToDir_Succeeded(dir));
   }
 
   ReleaseProcessIfNeeded();
 }
 
 void UtilityHandler::OnUnpackExtension(const base::FilePath& directory_path,
@@ skipping 11 matching lines @@
         *unpacker.parsed_manifest()));
   } else {
     Send(new ExtensionUtilityHostMsg_UnpackExtension_Failed(
         unpacker.error_message()));
   }
   ReleaseProcessIfNeeded();
 }
 
 
 }  // namespace extensions