For "Dangerous" file type, no user gesture will bypass the download warning.

BUG=170569
Review URL: https://codereview.chromium.org/12039015

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@178072 0039d316-1c4b-4281-b951-d872f2087c98
void ChromeDownloadManagerDelegate::ShouldCompleteDownloadInternal(
    int download_id,
    const base::Closure& user_complete_callback) {
  DownloadItem* item = download_manager_->GetDownload(download_id);
  if (!item)
    return;
  if (ShouldCompleteDownload(item, user_complete_callback))
    user_complete_callback.Run();
}

void ChromeDownloadManagerDelegate::ShouldCompleteDownloadInternal(
    int download_id,
    const base::Closure& user_complete_callback) {
  DownloadItem* item = download_manager_->GetDownload(download_id);
  if (!item)
    return;
  if (ShouldCompleteDownload(item, user_complete_callback))
    user_complete_callback.Run();
}
