Update copyright headers in ipc/, ios/, infra/

The methodology used to generate this CL is documented in
https://crbug.com/1098010#c95.

No-Try: true
Bug: 1098010
Change-Id: I958bc4caa48822ca0d15594e906783852cd0c499
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3893343
Reviewed-by: Mark Mentovai <mark@chromium.org>
Owners-Override: Avi Drissman <avi@chromium.org>
Commit-Queue: Avi Drissman <avi@chromium.org>
Auto-Submit: Avi Drissman <avi@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1047189}

diff --git a/ios/net/BUILD.gn b/ios/net/BUILD.gn
index f2a02e9..71a0a3a9 100644
--- a/ios/net/BUILD.gn
+++ b/ios/net/BUILD.gn

@@ -1,4 +1,4 @@
-# Copyright 2015 The Chromium Authors. All rights reserved.
+# Copyright 2015 The Chromium Authors
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.