Improve HttpStreamFactory NetLog events

net/http/http_stream_factory_impl_job.cc

Index: net/http/http_stream_factory_impl_job.cc
diff --git a/net/http/http_stream_factory_impl_job.cc b/net/http/http_stream_factory_impl_job.cc
index 2cd3bcbe0b6c7cf73b0129896405537a9a92cfcb..70bb421be931bb86549ed6b145c1f0338f25722a 100644
--- a/net/http/http_stream_factory_impl_job.cc
+++ b/net/http/http_stream_factory_impl_job.cc
@@ -685,15 +685,13 @@ int HttpStreamFactoryImpl::Job::StartInternal() {
 int HttpStreamFactoryImpl::Job::DoStart() {
   const NetLogWithSource* net_log = delegate_->GetNetLog(this);
 
-  if (net_log) {
-    net_log_.BeginEvent(
-        NetLogEventType::HTTP_STREAM_JOB,
-        base::Bind(&NetLogHttpStreamJobCallback, net_log->source(),
-                   &request_info_.url, &origin_url_, &alternative_service_,
-                   priority_));
-    net_log->AddEvent(NetLogEventType::HTTP_STREAM_REQUEST_STARTED_JOB,
-                      net_log_.source().ToEventParametersCallback());
-  }
+  net_log_.BeginEvent(
+      NetLogEventType::HTTP_STREAM_JOB,
+      base::Bind(&NetLogHttpStreamJobCallback, net_log->source(),
+                 &request_info_.url, &origin_url_, &alternative_service_,
+                 priority_));
+  net_log->AddEvent(NetLogEventType::HTTP_STREAM_REQUEST_STARTED_JOB,
+                    net_log_.source().ToEventParametersCallback());
 
   // Don't connect to restricted ports.
   if (!IsPortAllowedForScheme(destination_.port(),