License update - Batch 6 (#8679)

* license update - batch 6

* removed empty test per PR review
diff --git a/case_study/memory_leaks/memory_leak_app/README.md b/case_study/memory_leaks/memory_leak_app/README.md
index 78cdfa2..094751b 100644
--- a/case_study/memory_leaks/memory_leak_app/README.md
+++ b/case_study/memory_leaks/memory_leak_app/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.
+-->
 # Using Tab Bar
 
 A material design widget that displays a horizontal row of tabs.
diff --git a/case_study/memory_leaks/memory_leak_app/android/app/build.gradle b/case_study/memory_leaks/memory_leak_app/android/app/build.gradle
index f440d92..74fc9e3 100644
--- a/case_study/memory_leaks/memory_leak_app/android/app/build.gradle
+++ b/case_study/memory_leaks/memory_leak_app/android/app/build.gradle
@@ -1,3 +1,6 @@
+// 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.
 def localProperties = new Properties()
 def localPropertiesFile = rootProject.file('local.properties')
 if (localPropertiesFile.exists()) {
diff --git a/case_study/memory_leaks/memory_leak_app/android/app/src/main/AndroidManifest.xml b/case_study/memory_leaks/memory_leak_app/android/app/src/main/AndroidManifest.xml
index 380e1dd..27fe1fb 100644
--- a/case_study/memory_leaks/memory_leak_app/android/app/src/main/AndroidManifest.xml
+++ b/case_study/memory_leaks/memory_leak_app/android/app/src/main/AndroidManifest.xml
@@ -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.
+-->
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="github.nisrulz.usingtabs">
 
diff --git a/case_study/memory_leaks/memory_leak_app/android/app/src/main/java/github/nisrulz/usingtabs/MainActivity.java b/case_study/memory_leaks/memory_leak_app/android/app/src/main/java/github/nisrulz/usingtabs/MainActivity.java
index 602d66c..459fb3d 100644
--- a/case_study/memory_leaks/memory_leak_app/android/app/src/main/java/github/nisrulz/usingtabs/MainActivity.java
+++ b/case_study/memory_leaks/memory_leak_app/android/app/src/main/java/github/nisrulz/usingtabs/MainActivity.java
@@ -1,3 +1,6 @@
+// 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.
 package github.nisrulz.usingtabs;
 
 import android.os.Bundle;
diff --git a/case_study/memory_leaks/memory_leak_app/android/build.gradle b/case_study/memory_leaks/memory_leak_app/android/build.gradle
index 759b286..1316942 100644
--- a/case_study/memory_leaks/memory_leak_app/android/build.gradle
+++ b/case_study/memory_leaks/memory_leak_app/android/build.gradle
@@ -1,3 +1,6 @@
+// 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.
 buildscript {
     repositories {
         google()
diff --git a/case_study/memory_leaks/memory_leak_app/android/gradlew.bat b/case_study/memory_leaks/memory_leak_app/android/gradlew.bat
index 8a0b282..66fc183 100644
--- a/case_study/memory_leaks/memory_leak_app/android/gradlew.bat
+++ b/case_study/memory_leaks/memory_leak_app/android/gradlew.bat
@@ -1,3 +1,6 @@
+REM Copyright 2025 The Flutter Authors
+REM Use of this source code is governed by a BSD-style license that can be
+REM found in the LICENSE file or at https://developers.google.com/open-source/licenses/bsd.
 @if "%DEBUG%" == "" @echo off
 @rem ##########################################################################
 @rem
diff --git a/case_study/memory_leaks/memory_leak_app/android/settings.gradle b/case_study/memory_leaks/memory_leak_app/android/settings.gradle
index 115da6c..a2bfed0 100644
--- a/case_study/memory_leaks/memory_leak_app/android/settings.gradle
+++ b/case_study/memory_leaks/memory_leak_app/android/settings.gradle
@@ -1,3 +1,6 @@
+// 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.
 include ':app'
 
 def flutterProjectRoot = rootProject.projectDir.parentFile.toPath()
diff --git a/case_study/memory_leaks/memory_leak_app/ios/Runner/AppDelegate.h b/case_study/memory_leaks/memory_leak_app/ios/Runner/AppDelegate.h
index cf210d2..6edc6b5 100644
--- a/case_study/memory_leaks/memory_leak_app/ios/Runner/AppDelegate.h
+++ b/case_study/memory_leaks/memory_leak_app/ios/Runner/AppDelegate.h
@@ -1,3 +1,6 @@
+// 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.
 #import <UIKit/UIKit.h>
 #import <Flutter/Flutter.h>
 
diff --git a/case_study/memory_leaks/memory_leak_app/lib/about.dart b/case_study/memory_leaks/memory_leak_app/lib/about.dart
index 6189871..a30d674 100644
--- a/case_study/memory_leaks/memory_leak_app/lib/about.dart
+++ b/case_study/memory_leaks/memory_leak_app/lib/about.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:flutter/material.dart';
 
diff --git a/case_study/memory_leaks/memory_leak_app/lib/common.dart b/case_study/memory_leaks/memory_leak_app/lib/common.dart
index 749806a..dbdd824 100644
--- a/case_study/memory_leaks/memory_leak_app/lib/common.dart
+++ b/case_study/memory_leaks/memory_leak_app/lib/common.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.
 
 const appName = 'Memory Leak';
 
diff --git a/case_study/memory_leaks/memory_leak_app/lib/logging.dart b/case_study/memory_leaks/memory_leak_app/lib/logging.dart
index f767a16..373bfd3 100644
--- a/case_study/memory_leaks/memory_leak_app/lib/logging.dart
+++ b/case_study/memory_leaks/memory_leak_app/lib/logging.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 'package:intl/intl.dart';
diff --git a/case_study/memory_leaks/memory_leak_app/lib/main.dart b/case_study/memory_leaks/memory_leak_app/lib/main.dart
index fa7d41b..c4b360d 100644
--- a/case_study/memory_leaks/memory_leak_app/lib/main.dart
+++ b/case_study/memory_leaks/memory_leak_app/lib/main.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';
 
diff --git a/case_study/memory_leaks/memory_leak_app/lib/restful_servers.dart b/case_study/memory_leaks/memory_leak_app/lib/restful_servers.dart
index 9c764d5..0eee497 100644
--- a/case_study/memory_leaks/memory_leak_app/lib/restful_servers.dart
+++ b/case_study/memory_leaks/memory_leak_app/lib/restful_servers.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.
 
 /// The RESTful APIs used by the app.
 library;
diff --git a/case_study/memory_leaks/memory_leak_app/lib/tabs/http_data.dart b/case_study/memory_leaks/memory_leak_app/lib/tabs/http_data.dart
index ed14506..6becd1c 100644
--- a/case_study/memory_leaks/memory_leak_app/lib/tabs/http_data.dart
+++ b/case_study/memory_leaks/memory_leak_app/lib/tabs/http_data.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:convert';
diff --git a/case_study/memory_leaks/memory_leak_app/lib/tabs/logger.dart b/case_study/memory_leaks/memory_leak_app/lib/tabs/logger.dart
index f563b0e..bdd434b 100644
--- a/case_study/memory_leaks/memory_leak_app/lib/tabs/logger.dart
+++ b/case_study/memory_leaks/memory_leak_app/lib/tabs/logger.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';
 
diff --git a/case_study/memory_leaks/memory_leak_app/lib/tabs/settings.dart b/case_study/memory_leaks/memory_leak_app/lib/tabs/settings.dart
index 1814805..1964dd8 100644
--- a/case_study/memory_leaks/memory_leak_app/lib/tabs/settings.dart
+++ b/case_study/memory_leaks/memory_leak_app/lib/tabs/settings.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';
 
diff --git a/case_study/memory_leaks/memory_leak_app/pubspec.yaml b/case_study/memory_leaks/memory_leak_app/pubspec.yaml
index f68ea74..ef25f4c 100644
--- a/case_study/memory_leaks/memory_leak_app/pubspec.yaml
+++ b/case_study/memory_leaks/memory_leak_app/pubspec.yaml
@@ -1,3 +1,6 @@
+# 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.
 name: memory_leak
 description: Flutter memory leak example app to serve as a DevTools case study.
 
diff --git a/case_study/memory_leaks/memory_leak_app/test/widget_test.dart b/case_study/memory_leaks/memory_leak_app/test/widget_test.dart
deleted file mode 100644
index 8b13789..0000000
--- a/case_study/memory_leaks/memory_leak_app/test/widget_test.dart
+++ /dev/null
@@ -1 +0,0 @@
-