Revert "Safebrowsing: allow sending enhanced download protection pings on OSX."

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 "base/files/file_path.h"
 #include "base/logging.h"
 
 namespace safe_browsing {
 namespace download_protection_util {
 
 bool IsArchiveFile(const base::FilePath& file) {
-  // TODO(mattm): should .dmg be checked here instead of IsBinaryFile?
   return file.MatchesExtension(FILE_PATH_LITERAL(".zip"));
 }
 
 bool IsBinaryFile(const base::FilePath& file) {
   return (
       // Executable extensions for MS Windows.
       file.MatchesExtension(FILE_PATH_LITERAL(".bas")) ||
       file.MatchesExtension(FILE_PATH_LITERAL(".bat")) ||
       file.MatchesExtension(FILE_PATH_LITERAL(".cab")) ||
       file.MatchesExtension(FILE_PATH_LITERAL(".cmd")) ||
       file.MatchesExtension(FILE_PATH_LITERAL(".com")) ||
       file.MatchesExtension(FILE_PATH_LITERAL(".exe")) ||
       file.MatchesExtension(FILE_PATH_LITERAL(".hta")) ||
       file.MatchesExtension(FILE_PATH_LITERAL(".msi")) ||
       file.MatchesExtension(FILE_PATH_LITERAL(".pif")) ||
       file.MatchesExtension(FILE_PATH_LITERAL(".reg")) ||
       file.MatchesExtension(FILE_PATH_LITERAL(".scr")) ||
       file.MatchesExtension(FILE_PATH_LITERAL(".vb")) ||
       file.MatchesExtension(FILE_PATH_LITERAL(".vbs")) ||
       // Chrome extensions and android APKs are also reported.
       file.MatchesExtension(FILE_PATH_LITERAL(".crx")) ||
       file.MatchesExtension(FILE_PATH_LITERAL(".apk")) ||
-      // Mac extensions.
-      file.MatchesExtension(FILE_PATH_LITERAL(".dmg")) ||
-      file.MatchesExtension(FILE_PATH_LITERAL(".pkg")) ||
-      file.MatchesExtension(FILE_PATH_LITERAL(".osx")) ||
-      file.MatchesExtension(FILE_PATH_LITERAL(".app")) ||
       // Archives _may_ contain binaries, we'll check in ExtractFileFeatures.
       IsArchiveFile(file));
 }
 
 ClientDownloadRequest::DownloadType GetDownloadType(
     const base::FilePath& file) {
   DCHECK(IsBinaryFile(file));
   if (file.MatchesExtension(FILE_PATH_LITERAL(".apk")))
     return ClientDownloadRequest::ANDROID_APK;
   else if (file.MatchesExtension(FILE_PATH_LITERAL(".crx")))
     return ClientDownloadRequest::CHROME_EXTENSION;
   // For zip files, we use the ZIPPED_EXECUTABLE type since we will only send
   // the pingback if we find an executable inside the zip archive.
   else if (file.MatchesExtension(FILE_PATH_LITERAL(".zip")))
     return ClientDownloadRequest::ZIPPED_EXECUTABLE;
-  else if (file.MatchesExtension(FILE_PATH_LITERAL(".dmg")) ||
-           file.MatchesExtension(FILE_PATH_LITERAL(".pkg")) ||
-           file.MatchesExtension(FILE_PATH_LITERAL(".osx")) ||
-           file.MatchesExtension(FILE_PATH_LITERAL(".app")))
-    return ClientDownloadRequest::MAC_EXECUTABLE;
   return ClientDownloadRequest::WIN_EXECUTABLE;
 }
 
 }  // namespace download_protection_util
 }  // namespace safe_browsing