Add HttpProtocolHandler and convert everything to use it

net/url_request/url_request_http_job.cc

Index: net/url_request/url_request_http_job.cc
diff --git a/net/url_request/url_request_http_job.cc b/net/url_request/url_request_http_job.cc
index ed30738e6483e8aae43cf209fadfab3ee4c77c31..8ba625a16f8ea0b478c236b335e8911dc3e87e33 100644
--- a/net/url_request/url_request_http_job.cc
+++ b/net/url_request/url_request_http_job.cc
@@ -263,30 +263,6 @@ const NetLogWithSource& URLRequestHttpJob::HttpFilterContext::GetNetLog()
   return job_->request() ? job_->request()->net_log() : dummy_log_;
 }
 
-// TODO(darin): make sure the port blocking code is not lost
-// static
-URLRequestJob* URLRequestHttpJob::Factory(URLRequest* request,
-                                          NetworkDelegate* network_delegate,
-                                          const std::string& scheme) {
-  DCHECK(scheme == "http" || scheme == "https" || scheme == "ws" ||
-         scheme == "wss");
-
-  if (!request->context()->http_transaction_factory()) {
-    NOTREACHED() << "requires a valid context";
-    return new URLRequestErrorJob(
-        request, network_delegate, ERR_INVALID_ARGUMENT);
-  }
-
-  URLRequestRedirectJob* redirect =
-      MaybeInternallyRedirect(request, network_delegate);
-  if (redirect)
-    return redirect;
-
-  return new URLRequestHttpJob(request,
-                               network_delegate,
-                               request->context()->http_user_agent_settings());
-}
-
 URLRequestHttpJob::URLRequestHttpJob(
     URLRequest* request,
     NetworkDelegate* network_delegate,