Improve HttpStreamFactory NetLog events

net/log/net_log_event_type_list.h

Index: net/log/net_log_event_type_list.h
diff --git a/net/log/net_log_event_type_list.h b/net/log/net_log_event_type_list.h
index 50e9a8491e7baabe81c3c7c08975dda2fb63911a..59b14dcd1e6b988fdaf6f617d47b5d03c0480a41 100644
--- a/net/log/net_log_event_type_list.h
+++ b/net/log/net_log_event_type_list.h
@@ -1057,14 +1057,6 @@ EVENT_TYPE(HTTP_STREAM_REQUEST_STARTED_JOB)
 //   }
 EVENT_TYPE(HTTP_STREAM_REQUEST_BOUND_TO_JOB)
 
-// Identifies the NetLogSource() for the Request that the Job was attached to.
-// The event parameters are:
-//   {
-//      "source_dependency": <Source identifier for the Request to which we were
-//                            attached>,
-//   }
-EVENT_TYPE(HTTP_STREAM_JOB_BOUND_TO_REQUEST)
-
 // Logs the protocol negotiated with the server. The event parameters are:
 //   {
 //      "status": <The NPN status ("negotiated", "unsupported", "no-overlap")>,
@@ -1083,6 +1075,16 @@ EVENT_TYPE(HTTP_STREAM_JOB_ORPHANED)
 //   }
 EVENT_TYPE(HTTP_STREAM_JOB_DELAYED)
 
+// Marks the creation/destruction of a HttpStreamFactoryImpl::JobController.
+// The following parameters are attached:
+//   {
+//      "source_dependency":  <Source identifier for the JobController. It can
+//                             be a URLRequest or a HttpStreamFactory in the
+//                             case of preconnects.>,
+//      "is_preconnect": <True if controller is created for a preconnect.>,
+//   }
+EVENT_TYPE(HTTP_STREAM_JOB_CONTROLLER)
+
 // ------------------------------------------------------------------------
 // HttpNetworkTransaction
 // ------------------------------------------------------------------------