Reduce generic warnings shown on dmg downloads

chrome/browser/safe_browsing/download_protection_service.cc

Index: chrome/browser/safe_browsing/download_protection_service.cc
diff --git a/chrome/browser/safe_browsing/download_protection_service.cc b/chrome/browser/safe_browsing/download_protection_service.cc
index 2381394d23b89fff2dd471b930f8ddf92471a992..f60d43b5c62f6cc2b48e7f068a64bbb478061642 100644
--- a/chrome/browser/safe_browsing/download_protection_service.cc
+++ b/chrome/browser/safe_browsing/download_protection_service.cc
@@ -741,10 +741,10 @@ class DownloadProtectionService::CheckClientDownloadRequest
                         base::TimeTicks::Now() - dmg_analysis_start_time_);
 
     if (!archived_executable_) {
-      if (!results.success && CanReportInvalidArchives()) {
+      if (!results.success) {
         type_ = ClientDownloadRequest::INVALID_MAC_ARCHIVE;
       } else {
-        PostFinishTask(UNKNOWN, REASON_ARCHIVE_WITHOUT_BINARIES);
+        PostFinishTask(SAFE, REASON_ARCHIVE_WITHOUT_BINARIES);
         return;
       }
     }