Be more lenient about inspecting/pinging on invalid downloaded .zip's

chrome/browser/safe_browsing/incident_reporting/last_download_finder.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 "chrome/browser/safe_browsing/incident_reporting/last_download_finder.h"
 
 #include <algorithm>
 #include <functional>
 #include <utility>
 
@@ skipping 32 matching lines @@
 }
 
 // Returns the end time of a download represented by a DownloadDetails.
 int64 GetEndTime(const ClientIncidentReport_DownloadDetails& details) {
   return details.download_time_msec();
 }
 
 bool IsBinaryDownloadForCurrentOS(
     ClientDownloadRequest::DownloadType download_type) {
   static_assert(ClientDownloadRequest::DownloadType_MAX ==
-                    ClientDownloadRequest::ARCHIVE,
+                    ClientDownloadRequest::INVALID_MAC_ARCHIVE,
                 "Update logic below");
 
 // Platform-specific types are relevant only for their own platforms.
 #if defined(OS_MACOSX)
-  if (download_type == ClientDownloadRequest::MAC_EXECUTABLE)
+  if (download_type == ClientDownloadRequest::MAC_EXECUTABLE ||
+      download_type == ClientDownloadRequest::INVALID_MAC_ARCHIVE)
     return true;
 #elif defined(OS_ANDROID)
   if (download_type == ClientDownloadRequest::ANDROID_APK)
     return true;
 #endif
 
 // Extensions are supported where enabled.
 #if defined(ENABLE_EXTENSIONS)
   if (download_type == ClientDownloadRequest::CHROME_EXTENSION)
     return true;
 #endif
 
   if (download_type == ClientDownloadRequest::ZIPPED_EXECUTABLE ||
       download_type == ClientDownloadRequest::ZIPPED_ARCHIVE ||
+      download_type == ClientDownloadRequest::INVALID_ZIP ||
       download_type == ClientDownloadRequest::ARCHIVE) {
     return true;
   }
 
   // The default return value of download_protection_util::GetDownloadType is
   // ClientDownloadRequest::WIN_EXECUTABLE.
   return download_type == ClientDownloadRequest::WIN_EXECUTABLE;
 }
 
 // Returns true if a download represented by a DownloadRow is a binary file for
@@ skipping 347 matching lines @@
     }
   }
 }
 
 void LastDownloadFinder::HistoryServiceBeingDeleted(
     history::HistoryService* history_service) {
   history_service_observer_.Remove(history_service);
 }
 
 }  // namespace safe_browsing