Add a whitelist for QUIC hosts.

net/url_request/url_request_context_builder.cc

Index: net/url_request/url_request_context_builder.cc
diff --git a/net/url_request/url_request_context_builder.cc b/net/url_request/url_request_context_builder.cc
index 8290c5d33620632459f4b8fbedbd4d1df099bcd6..f00cad5c5c8dde71c789e4663169739a1b4b46e7 100644
--- a/net/url_request/url_request_context_builder.cc
+++ b/net/url_request/url_request_context_builder.cc
@@ -403,6 +403,8 @@ scoped_ptr<URLRequestContext> URLRequestContextBuilder::Build() {
       http_network_session_params_.quic_idle_connection_timeout_seconds;
   network_session_params.quic_connection_options =
       http_network_session_params_.quic_connection_options;
+  network_session_params.quic_host_whitelist =
+      http_network_session_params_.quic_host_whitelist;
 
   storage->set_http_network_session(
       make_scoped_ptr(new HttpNetworkSession(network_session_params)));