From 1e01b775e393a7b92ac0d6e9d50b207ad6786d17 Mon Sep 17 00:00:00 2001
From: Ben Konyi <bkonyi@google.com>
Date: Thu, 27 Feb 2020 08:29:58 -0800
Subject: [PATCH] Enable HTTP and socket profiling dart:io service extensions
 for Flutter (#16800)

---
 lib/ui/dart_runtime_hooks.cc | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/lib/ui/dart_runtime_hooks.cc b/lib/ui/dart_runtime_hooks.cc
index 662d2d631108c..945833981c477 100644
--- a/lib/ui/dart_runtime_hooks.cc
+++ b/lib/ui/dart_runtime_hooks.cc
@@ -142,6 +142,14 @@ static void InitDartIO(Dart_Handle builtin_library,
   Dart_Handle result =
       Dart_SetField(platform_type, ToDart("_localeClosure"), locale_closure);
   PropagateIfError(result);
+
+  // Register dart:io service extensions used for network profiling.
+  Dart_Handle network_profiling_type =
+      Dart_GetType(io_lib, ToDart("_NetworkProfiling"), 0, nullptr);
+  PropagateIfError(network_profiling_type);
+  result = Dart_Invoke(network_profiling_type,
+                       ToDart("_registerServiceExtension"), 0, nullptr);
+  PropagateIfError(result);
 }
 
 void DartRuntimeHooks::Install(bool is_ui_isolate,