- Electron version: 1.2.5
- Operating system: Windows 10

My application has a custom "res://" protocol. It appears to register correctly (no errors or anything) but as you can see from the picture I'm getting the error **net::ERR_UNKNOWN_URL_SCHEME**. This is working in version 1.2.4.

![image](https://cloud.githubusercontent.com/assets/4183007/16391832/d5fa3c80-3c76-11e6-9f7a-c7d746149f25.png)

atom/browser/api/atom_api_session.cc
const net::ProxyConfig& config,
                  const base::Closure& callback) {
  auto proxy_service = getter->GetURLRequestContext()->proxy_service();
  proxy_service->ResetConfigService(base::WrapUnique(
      new net::ProxyConfigServiceFixed(config)));
  
  proxy_service->ForceReloadProxyConfig();
  RunCallbackInUI(callback);
}
void SetCertVerifyProcInIO(
    const scoped_refptr<net::URLRequestContextGetter>& context_getter,
    const AtomCertVerifier::VerifyProc& proc) {
  auto request_context = context_getter->GetURLRequestContext();
  static_cast<AtomCertVerifier*>(request_context->cert_verifier())->
      SetVerifyProc(proc);
}
void ClearHostResolverCacheInIO(
    const scoped_refptr<net::URLRequestContextGetter>& context_getter,
    const base::Closure& callback) {
  auto request_context = context_getter->GetURLRequestContext();
  auto cache = request_context->host_resolver()->GetHostCache();
  if (cache) {
    cache->clear();
    DCHECK_EQ(0u, cache->size());
    if (!callback.is_null())
      RunCallbackInUI(callback);
  }
}
void AllowNTLMCredentialsForDomainsInIO(