From 1bfe088d1b7d64dbea54201cc607cd86ead6f872 Mon Sep 17 00:00:00 2001
From: Esun Kim <veblush@google.com>
Date: Mon, 12 Feb 2024 15:23:40 -0800
Subject: [Backport] Fix Abseil-usage (#35590) (#35883)

Backport of https://github.com/grpc/grpc/pull/35589
---
 src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc         | 4 ++++
 src/core/lib/event_engine/windows/native_windows_dns_resolver.cc | 1 +
 src/core/lib/gprpp/windows/directory_reader.cc                   | 1 +
 test/cpp/util/channelz_sampler.cc                                | 1 +
 4 files changed, 7 insertions(+)

diff --git a/src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc b/src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc
index 74f7392af9..0b14723e21 100644
--- a/src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc
+++ b/src/core/lib/event_engine/cf_engine/cfstream_endpoint.cc
@@ -18,6 +18,10 @@
 #include <AvailabilityMacros.h>
 #ifdef AVAILABLE_MAC_OS_X_VERSION_10_12_AND_LATER
 
+#include "absl/status/status.h"
+#include "absl/strings/str_cat.h"
+#include "absl/strings/str_format.h"
+
 #include "src/core/lib/event_engine/cf_engine/cfstream_endpoint.h"
 #include "src/core/lib/event_engine/trace.h"
 #include "src/core/lib/gprpp/strerror.h"
diff --git a/src/core/lib/event_engine/windows/native_windows_dns_resolver.cc b/src/core/lib/event_engine/windows/native_windows_dns_resolver.cc
index a00ed40225..ab318238c0 100644
--- a/src/core/lib/event_engine/windows/native_windows_dns_resolver.cc
+++ b/src/core/lib/event_engine/windows/native_windows_dns_resolver.cc
@@ -20,6 +20,7 @@
 
 #include <string>
 
+#include "absl/strings/str_cat.h"
 #include "absl/strings/str_format.h"
 
 #include <grpc/event_engine/event_engine.h>
diff --git a/src/core/lib/gprpp/windows/directory_reader.cc b/src/core/lib/gprpp/windows/directory_reader.cc
index 790e213e78..3d45ee6532 100644
--- a/src/core/lib/gprpp/windows/directory_reader.cc
+++ b/src/core/lib/gprpp/windows/directory_reader.cc
@@ -27,6 +27,7 @@
 #include <vector>
 
 #include "absl/status/statusor.h"
+#include "absl/strings/str_cat.h"
 #include "absl/strings/string_view.h"
 
 #include <grpc/support/log.h>
diff --git a/test/cpp/util/channelz_sampler.cc b/test/cpp/util/channelz_sampler.cc
index 60c0e126de..db9c600c51 100644
--- a/test/cpp/util/channelz_sampler.cc
+++ b/test/cpp/util/channelz_sampler.cc
@@ -21,6 +21,7 @@
 
 #include <cstdlib>
 #include <fstream>
+#include <iomanip>
 #include <iostream>
 #include <memory>
 #include <ostream>
-- 
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