Remove static variables from HttpStreamFactory.

net/url_request/url_request_context.cc

Index: net/url_request/url_request_context.cc
diff --git a/net/url_request/url_request_context.cc b/net/url_request/url_request_context.cc
index e4f7f31ba152b8b2a07192ead500c4ebb5f1c99b..4435454b85bd6280dbebabb04fafc080568dece2 100644
--- a/net/url_request/url_request_context.cc
+++ b/net/url_request/url_request_context.cc
@@ -65,6 +65,18 @@ void URLRequestContext::CopyFrom(const URLRequestContext* other) {
   set_throttler_manager(other->throttler_manager_);
 }
 
+bool URLRequestContext::GetReferenceParams(
+    HttpNetworkSession::Params& params) const {
+  HttpTransactionFactory* transaction_factory = http_transaction_factory();
+  if (!transaction_factory)
+    return false;
+  HttpNetworkSession* network_session = transaction_factory->GetSession();
+  if (!network_session)
+    return false;
+  params = network_session->params();
+  return true;
+}
+
 URLRequest* URLRequestContext::CreateRequest(
     const GURL& url, URLRequest::Delegate* delegate) const {
   return new URLRequest(url, delegate, this, network_delegate_);