Improve Zip File Scanning on Mac

chrome/common/safe_browsing/download_protection_util.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.
 
 #include "chrome/common/safe_browsing/download_protection_util.h"
 
 #include <algorithm>
 
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/strings/string_util.h"
+#include "build/build_config.h"
 #include "chrome/common/safe_browsing/file_type_policies.h"
 
 namespace safe_browsing {
 namespace download_protection_util {
 
 ClientDownloadRequest::DownloadType GetDownloadType(
     const base::FilePath& file) {
   // TODO(nparker): Put all of this logic into the FileTypePolicies
   // protobuf.
   if (file.MatchesExtension(FILE_PATH_LITERAL(".apk")))
@@ skipping 23 matching lines @@
            file.MatchesExtension(FILE_PATH_LITERAL(".diskcopy42")) ||
            file.MatchesExtension(FILE_PATH_LITERAL(".imgpart")) ||
            file.MatchesExtension(FILE_PATH_LITERAL(".ndif")) ||
            file.MatchesExtension(FILE_PATH_LITERAL(".udif")) ||
            file.MatchesExtension(FILE_PATH_LITERAL(".toast")) ||
            file.MatchesExtension(FILE_PATH_LITERAL(".sparsebundle")) ||
            file.MatchesExtension(FILE_PATH_LITERAL(".sparseimage")))
     return ClientDownloadRequest::MAC_EXECUTABLE;
   else if (FileTypePolicies::GetInstance()->IsArchiveFile(file))
     return ClientDownloadRequest::ARCHIVE;
+#if defined(OS_MACOSX)
+  return ClientDownloadRequest::MAC_EXECUTABLE;
+#else
   return ClientDownloadRequest::WIN_EXECUTABLE;
+#endif  // OS_MACOSX
 }
 
 }  // namespace download_protection_util
 }  // namespace safe_browsing