From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Samuel Attard <sattard@atlassian.com>
Date: Fri, 26 Oct 2018 15:35:13 +1100
Subject: fix: expose tracing::Agent and use tracing::TracingController instead
 of v8::TracingController

This API is used by Electron to create Node's tracing controller.

diff --git a/src/api/environment.cc b/src/api/environment.cc
index 6a6164b6d294430b6f2fe826cdcef5a9cc3f9660..035f495687856b0cfbcc4e87ba6e90d56c99e837 100644
--- a/src/api/environment.cc
+++ b/src/api/environment.cc
@@ -583,6 +583,10 @@ MultiIsolatePlatform* GetMultiIsolatePlatform(IsolateData* env) {
   return env->platform();
 }
 
+node::tracing::Agent* CreateAgent() {
+  return new node::tracing::Agent();
+}
+
 MultiIsolatePlatform* CreatePlatform(
     int thread_pool_size,
     node::tracing::TracingController* tracing_controller) {
diff --git a/src/node.h b/src/node.h
index ca01c42e8af484def476ba27cb270a0cc90226c9..dcce529664e1d126115545d6ba7f5b8492b0e921 100644
--- a/src/node.h
+++ b/src/node.h
@@ -132,6 +132,7 @@ struct SnapshotData;
 
 namespace tracing {
 
+class Agent;
 class TracingController;
 
 }
@@ -772,6 +773,8 @@ NODE_EXTERN void GetNodeReport(Environment* env,
 NODE_EXTERN MultiIsolatePlatform* GetMultiIsolatePlatform(Environment* env);
 NODE_EXTERN MultiIsolatePlatform* GetMultiIsolatePlatform(IsolateData* env);
 
+NODE_EXTERN node::tracing::Agent* CreateAgent();
+
 NODE_DEPRECATED("Use MultiIsolatePlatform::Create() instead",
     NODE_EXTERN MultiIsolatePlatform* CreatePlatform(
         int thread_pool_size,
