From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Shelley Vohr <shelley.vohr@gmail.com>
Date: Mon, 30 Jul 2018 13:08:34 -0700
Subject: fix: expose TraceEventHelper

Node required tracing controller to be initialized, otherwise a crash would occur. Changed in concert with https://github.com/electron/electron/commit/0e5b6f93000e4718c9e35332ddbd0f6b76cdd585\#diff-0cdfa12fff513e022fac830c6af9c19a

diff --git a/src/tracing/trace_event.h b/src/tracing/trace_event.h
index 590cb592fc054f90ffc85052985087db6c3c3463..4a398106d77e5e0f7c16448fa952c637833cfede 100644
--- a/src/tracing/trace_event.h
+++ b/src/tracing/trace_event.h
@@ -310,7 +310,7 @@ const int kZeroNumArgs = 0;
 const decltype(nullptr) kGlobalScope = nullptr;
 const uint64_t kNoId = 0;
 
-class TraceEventHelper {
+class NODE_EXTERN TraceEventHelper {
  public:
   static TracingController* GetTracingController();
   static Agent* GetAgent();