license update - batch 28 (#8726)

diff --git a/packages/devtools_app/lib/src/shared/charts/README.md b/packages/devtools_app/lib/src/shared/charts/README.md
index 8c28234..dc9c6fc 100644
--- a/packages/devtools_app/lib/src/shared/charts/README.md
+++ b/packages/devtools_app/lib/src/shared/charts/README.md

@@ -1,3 +1,8 @@
+<!--
+Copyright 2025 The Flutter Authors
+Use of this source code is governed by a BSD-style license that can be
+found in the LICENSE file or at https://developers.google.com/open-source/licenses/bsd.
+-->
 ## DevTools Charting
 
 ![GitHub contributors](https://img.shields.io/github/contributors/flutter/devtools.svg)

diff --git a/packages/devtools_app/lib/src/shared/charts/chart.dart b/packages/devtools_app/lib/src/shared/charts/chart.dart
index b283788..6e49ce7 100644
--- a/packages/devtools_app/lib/src/shared/charts/chart.dart
+++ b/packages/devtools_app/lib/src/shared/charts/chart.dart

@@ -1,6 +1,6 @@
-// Copyright 2020 The Chromium Authors. All rights reserved.
+// Copyright 2020 The Flutter Authors
 // Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
+// found in the LICENSE file or at https://developers.google.com/open-source/licenses/bsd.
 
 import 'dart:math';
 import 'dart:ui';

diff --git a/packages/devtools_app/lib/src/shared/charts/chart_controller.dart b/packages/devtools_app/lib/src/shared/charts/chart_controller.dart
index 603e105..3a4c4af 100644
--- a/packages/devtools_app/lib/src/shared/charts/chart_controller.dart
+++ b/packages/devtools_app/lib/src/shared/charts/chart_controller.dart

@@ -1,6 +1,6 @@
-// Copyright 2020 The Chromium Authors. All rights reserved.
+// Copyright 2020 The Flutter Authors
 // Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
+// found in the LICENSE file or at https://developers.google.com/open-source/licenses/bsd.
 
 import 'package:collection/collection.dart';
 import 'package:devtools_app_shared/utils.dart';

diff --git a/packages/devtools_app/lib/src/shared/charts/chart_trace.dart b/packages/devtools_app/lib/src/shared/charts/chart_trace.dart
index 74792a6..e4fc8db 100644
--- a/packages/devtools_app/lib/src/shared/charts/chart_trace.dart
+++ b/packages/devtools_app/lib/src/shared/charts/chart_trace.dart

@@ -1,6 +1,6 @@
-// Copyright 2020 The Chromium Authors. All rights reserved.
+// Copyright 2020 The Flutter Authors
 // Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
+// found in the LICENSE file or at https://developers.google.com/open-source/licenses/bsd.
 
 import 'dart:math';
 

diff --git a/packages/devtools_app/lib/src/shared/charts/flame_chart.dart b/packages/devtools_app/lib/src/shared/charts/flame_chart.dart
index 2c97078..35c3e5f 100644
--- a/packages/devtools_app/lib/src/shared/charts/flame_chart.dart
+++ b/packages/devtools_app/lib/src/shared/charts/flame_chart.dart

@@ -1,6 +1,6 @@
-// Copyright 2019 The Chromium Authors. All rights reserved.
+// Copyright 2019 The Flutter Authors
 // Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
+// found in the LICENSE file or at https://developers.google.com/open-source/licenses/bsd.
 
 import 'dart:async';
 import 'dart:math' as math;

diff --git a/packages/devtools_app/lib/src/shared/charts/treemap.dart b/packages/devtools_app/lib/src/shared/charts/treemap.dart
index fbf3939..f929318 100644
--- a/packages/devtools_app/lib/src/shared/charts/treemap.dart
+++ b/packages/devtools_app/lib/src/shared/charts/treemap.dart

@@ -1,6 +1,6 @@
-// Copyright 2020 The Chromium Authors. All rights reserved.
+// Copyright 2020 The Flutter Authors
 // Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
+// found in the LICENSE file or at https://developers.google.com/open-source/licenses/bsd.
 
 import 'package:devtools_app_shared/ui.dart';
 import 'package:devtools_app_shared/utils.dart';

diff --git a/packages/devtools_app/test/shared/charts/flame_chart_test.dart b/packages/devtools_app/test/shared/charts/flame_chart_test.dart
index 52279ed..b9354bc 100644
--- a/packages/devtools_app/test/shared/charts/flame_chart_test.dart
+++ b/packages/devtools_app/test/shared/charts/flame_chart_test.dart

@@ -1,6 +1,6 @@
-// Copyright 2019 The Chromium Authors. All rights reserved.
+// Copyright 2019 The Flutter Authors
 // Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
+// found in the LICENSE file or at https://developers.google.com/open-source/licenses/bsd.
 
 import 'package:devtools_app/devtools_app.dart';
 import 'package:devtools_app/src/screens/profiler/cpu_profiler_controller.dart';

diff --git a/packages/devtools_app/test/shared/charts/treemap_test.dart b/packages/devtools_app/test/shared/charts/treemap_test.dart
index b8a52aa..7946de6 100644
--- a/packages/devtools_app/test/shared/charts/treemap_test.dart
+++ b/packages/devtools_app/test/shared/charts/treemap_test.dart

@@ -1,6 +1,6 @@
-// Copyright 2020 The Chromium Authors. All rights reserved.
+// Copyright 2020 The Flutter Authors
 // Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
+// found in the LICENSE file or at https://developers.google.com/open-source/licenses/bsd.
 
 import 'dart:convert';