Remove |force_quic_port_| dead field in HttpStreamFactoryImpl::Job

net/http/http_stream_factory_impl_job.h

Index: net/http/http_stream_factory_impl_job.h
diff --git a/net/http/http_stream_factory_impl_job.h b/net/http/http_stream_factory_impl_job.h
index 0ae7222b79239c2f25219d91a8f6a3eb125b4a5d..aadc3507c840abb2e9efd2ea10c326b5c2e0e7a3 100644
--- a/net/http/http_stream_factory_impl_job.h
+++ b/net/http/http_stream_factory_impl_job.h
@@ -449,9 +449,6 @@ class HttpStreamFactoryImpl::Job {
   // True if this job used an existing QUIC session.
   bool using_existing_quic_session_;
 
-  // Force quic for a specific port.
-  int force_quic_port_;
-
   scoped_refptr<HttpAuthController>
       auth_controllers_[HttpAuth::AUTH_NUM_TARGETS];