From: Michael Froman <mjfroman@mac.com>
Date: Tue, 16 Sep 2025 09:26:22 -0500
Subject: Bug 1985396 - Cherry-pick upstream libwebrtc commit 73898ac18b

Upstream commit: https://webrtc.googlesource.com/src/+/73898ac18b498c3322f71b9543a2b77f465a47af
       APM data dumpers: add missing include

       Currently, audioproc_f fails to build with apm_debug_dump enabled.

       Bug: webrtc:442745059
       Change-Id: I349468891d798341abdaea32042cbe23c4722f75
       Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/407641
       Commit-Queue: Sam Zackrisson <saza@webrtc.org>
       Commit-Queue: Lionel Koenig <lionelk@webrtc.org>
       Reviewed-by: Lionel Koenig <lionelk@webrtc.org>
       Cr-Commit-Position: refs/heads/main@{#45547}
---
 modules/audio_processing/logging/apm_data_dumper.cc | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/modules/audio_processing/logging/apm_data_dumper.cc b/modules/audio_processing/logging/apm_data_dumper.cc
index b26d90fbc8..d86d8d8d3b 100644
--- a/modules/audio_processing/logging/apm_data_dumper.cc
+++ b/modules/audio_processing/logging/apm_data_dumper.cc
@@ -10,13 +10,16 @@
 
 #include "modules/audio_processing/logging/apm_data_dumper.h"
 
-
 // Check to verify that the define is properly set.
 #if !defined(WEBRTC_APM_DEBUG_DUMP) || \
     (WEBRTC_APM_DEBUG_DUMP != 0 && WEBRTC_APM_DEBUG_DUMP != 1)
 #error "Set WEBRTC_APM_DEBUG_DUMP to either 0 or 1"
 #endif
 
+#if WEBRTC_APM_DEBUG_DUMP == 1
+#include "rtc_base/strings/string_builder.h"
+#endif
+
 namespace webrtc {
 namespace {