- Electron version: 0.37.5
- Operating system: Windows 10

When calling a window's `webContents.downloadURL(URL)` method if the specified URL returns a 404 the `will-download` event on `webContents.session` does not fire and instead a dialog pops up asking the user to save an html file (the contents of the 404 page).

Is this expected behavior and is there any event I can listen to or some other way to get around this? I'd like to handle the error differently if possible.

Thanks

atom/browser/api/atom_api_session.cc
auto storage_partition =
      content::BrowserContext::GetStoragePartition(browser_context(), nullptr);
  storage_partition->Flush();
}
void Session::SetProxy(const net::ProxyConfig& config,
                       const base::Closure& callback) {
  auto getter = browser_context_->GetRequestContext();
  BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
      base::Bind(&SetProxyInIO, base::Unretained(getter), config, callback));
}
void Session::SetDownloadPath(const base::FilePath& path) {
  browser_context_->prefs()->SetFilePath(
      prefs::kDownloadDefaultDirectory, path);
}
void Session::EnableNetworkEmulation(const mate::Dictionary& options) {