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
    ChromeDownloadManagerDelegate::GetDownloadProtectionService() {
#if defined(FULL_SAFE_BROWSING)
  SafeBrowsingService* sb_service = g_browser_process->safe_browsing_service();
  if (sb_service && sb_service->download_protection_service() &&
      profile_->GetPrefs()->GetBoolean(prefs::kSafeBrowsingEnabled)) {
    return sb_service->download_protection_service();
  }
#endif
  return NULL;
}

    ChromeDownloadManagerDelegate::GetDownloadProtectionService() {
#if defined(FULL_SAFE_BROWSING)
  SafeBrowsingService* sb_service = g_browser_process->safe_browsing_service();
  if (sb_service && sb_service->download_protection_service() &&
      profile_->GetPrefs()->GetBoolean(prefs::kSafeBrowsingEnabled)) {
    return sb_service->download_protection_service();
  }
#endif
  return NULL;
}
