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/ipc/ipc_mojo_message_helper.cc b/ipc/ipc_mojo_message_helper.cc
index 460e04f..f175933 100644
--- a/ipc/ipc_mojo_message_helper.cc
+++ b/ipc/ipc_mojo_message_helper.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 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.