From 0f08f8e435a81e6d3e8442715a195d5efbe00ac5 Mon Sep 17 00:00:00 2001
From: Kenichi Ishibashi <bashi@chromium.org>
Date: Wed, 03 Dec 2025 23:52:59 -0800
Subject: [PATCH] Use HttpRequestHeaders::NetLogParams() for CORS preflight request netlog

To have the same eliding as other request headers logging.

Bug: 465466773
Change-Id: I1476d57902c3430c8698b68af849c8d52b1fb8ab
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/7226493
Reviewed-by: mmenke <mmenke@chromium.org>
Commit-Queue: Kenichi Ishibashi <bashi@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1553835}
---

diff --git a/services/network/cors/cors_url_loader.cc b/services/network/cors/cors_url_loader.cc
index 119edf0..6bc7eff 100644
--- a/services/network/cors/cors_url_loader.cc
+++ b/services/network/cors/cors_url_loader.cc
@@ -23,7 +23,9 @@
 #include "net/cookies/cookie_partition_key.h"
 #include "net/cookies/cookie_setting_override.h"
 #include "net/cookies/cookie_util.h"
+#include "net/http/http_log_util.h"
 #include "net/http/http_status_code.h"
+#include "net/http/http_util.h"
 #include "net/log/net_log_util.h"
 #include "net/log/net_log_values.h"
 #include "net/shared_dictionary/shared_dictionary.h"
@@ -113,12 +115,18 @@
       break;
   }
 
-  return base::Value::Dict()
-      .Set("url", SanitizeUrlForNetLog(request.url, capture_mode))
-      .Set("method", request.method)
-      .Set("headers", net::NetLogStringValue(request.headers.ToString()))
-      .Set("is_revalidating", request.is_revalidating)
-      .Set("cors_preflight_policy", cors_preflight_policy);
+  auto params = base::Value::Dict()
+                    .Set("url", SanitizeUrlForNetLog(request.url, capture_mode))
+                    .Set("is_revalidating", request.is_revalidating)
+                    .Set("cors_preflight_policy", cors_preflight_policy);
+
+  if (request.url.is_valid()) {
+    std::string request_line = net::HttpUtil::GenerateRequestLine(
+        request.method, request.url, /*is_for_get_to_http_proxy=*/false);
+    params.Set("request_headers",
+               request.headers.NetLogParams(request_line, capture_mode));
+  }
+  return params;
 }
 
 base::Value::Dict NetLogPreflightRequiredParams(