fix_expose_tracing_agent_and_use_tracing_tracingcontroller_instead.patch

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 0fb750c5abbe00740f2095ec397c823e26666199..523d252e08974a10f9a53fb46d3345669cec3380 100644
--- a/src/api/environment.cc
+++ b/src/api/environment.cc
@@ -459,6 +459,10 @@ 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 09cb7a317cc46e88e5d214996dc87dc6e8730b1a..b7f3e97873ef90b635e0648639f1a287a0bd88fa 100644
--- a/src/node.h
+++ b/src/node.h
@@ -118,6 +118,7 @@ namespace node {
 
 namespace tracing {
 
+class Agent;
 class TracingController;
 
 }
@@ -488,6 +489,8 @@ NODE_EXTERN v8::MaybeLocal<v8::Value> PrepareStackTraceCallback(
 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,