Add new danger type for uncommon or unknown downloads.

content/browser/download/download_state_info.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 "content/browser/download/download_state_info.h"
 
 #include "content/public/browser/download_item.h"
 
 DownloadStateInfo::DownloadStateInfo()
     : path_uniquifier(0),
@@ skipping 14 matching lines @@
       danger(content::DOWNLOAD_DANGER_TYPE_NOT_DANGEROUS),
       force_file_name(forced_name) {
 }
 
 bool DownloadStateInfo::IsDangerous() const {
   // TODO(noelutz): At this point only the windows views UI supports
   // warnings based on dangerous content.
 #ifdef OS_WIN
   return (danger == content::DOWNLOAD_DANGER_TYPE_DANGEROUS_FILE ||
           danger == content::DOWNLOAD_DANGER_TYPE_DANGEROUS_URL ||
-          danger == content::DOWNLOAD_DANGER_TYPE_DANGEROUS_CONTENT);
+          danger == content::DOWNLOAD_DANGER_TYPE_DANGEROUS_CONTENT ||
+          danger == content::DOWNLOAD_DANGER_TYPE_UNCOMMON_CONTENT);
 #else
   return (danger == content::DOWNLOAD_DANGER_TYPE_DANGEROUS_FILE ||
           danger == content::DOWNLOAD_DANGER_TYPE_DANGEROUS_URL);
 #endif
 }