From 46203153339e8c8f0a8435b56a5235b271dfd572 Mon Sep 17 00:00:00 2001
From: Justin Cohen <justincohen@google.com>
Date: Fri, 24 Jul 2026 08:01:40 -0700
Subject: [PATCH] ios: Update backup exclusion for crash directory

Set filesystem backup exclusion attributes on the crash directory
during deferred background startup.

Fixed: 533121405
Change-Id: I03f0035d5caa41f7e99c0daa6e317eedb61d5ffb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/8122936
Commit-Queue: Justin Cohen <justincohen@google.com>
Reviewed-by: Olivier Robin <olivierrobin@chromium.org>
Auto-Submit: Justin Cohen <justincohen@google.com>
Cr-Commit-Position: refs/heads/main@{#1667854}
---

diff --git a/ios/chrome/browser/crash_report/model/crash_helper.mm b/ios/chrome/browser/crash_report/model/crash_helper.mm
index 81f3ea43..0cacda3e 100644
--- a/ios/chrome/browser/crash_report/model/crash_helper.mm
+++ b/ios/chrome/browser/crash_report/model/crash_helper.mm
@@ -12,6 +12,7 @@
 
 #import <atomic>
 
+#import "base/apple/backup_util.h"
 #import "base/auto_reset.h"
 #import "base/debug/crash_logging.h"
 #import "base/feature_list.h"
@@ -113,6 +114,9 @@
   // Remove this after a few milestones.
   ClearMainThreadFreezeDetectorCache();
 
+  // Exclude the crash database from iCloud / local device backups.
+  base::apple::SetBackupExclusion(common::CrashpadDumpLocation());
+
   // Wait until after processing intermediate dumps to record last shutdown
   // type.
   dispatch_async(dispatch_get_main_queue(), ^{