remove unneeded changes

packages/webview_flutter/webview_flutter_android/lib/src/android_webview_api_impls.dart

@@ -137,16 +137,9 @@ class JavaObjectFlutterApiImpl implements JavaObjectFlutterApi {
 class WebViewHostApiImpl extends WebViewHostApi {
   /// Constructs a [WebViewHostApiImpl].
   WebViewHostApiImpl({
-    this.binaryMessenger,
+    super.binaryMessenger,
     InstanceManager? instanceManager,
-  })  : instanceManager = instanceManager ?? JavaObject.globalInstanceManager,
-        super(binaryMessenger: binaryMessenger);
-
-  /// Sends binary data across the Flutter platform barrier.
-  ///
-  /// If it is null, the default BinaryMessenger will be used which routes to
-  /// the host platform.
-  final BinaryMessenger? binaryMessenger;
+  }) : instanceManager = instanceManager ?? JavaObject.globalInstanceManager;
 
   /// Maintains instances stored to communicate with java objects.
   final InstanceManager instanceManager;
@@ -357,16 +350,10 @@ class WebViewHostApiImpl extends WebViewHostApi {
 class WebSettingsHostApiImpl extends WebSettingsHostApi {
   /// Constructs a [WebSettingsHostApiImpl].
   WebSettingsHostApiImpl({
-    this.binaryMessenger,
+    super.binaryMessenger,
     InstanceManager? instanceManager,
   }) : instanceManager = instanceManager ?? JavaObject.globalInstanceManager;
 
-  /// Sends binary data across the Flutter platform barrier.
-  ///
-  /// If it is null, the default BinaryMessenger will be used which routes to
-  /// the host platform.
-  final BinaryMessenger? binaryMessenger;
-
   /// Maintains instances stored to communicate with java objects.
   final InstanceManager instanceManager;
 
@@ -504,16 +491,10 @@ class WebSettingsHostApiImpl extends WebSettingsHostApi {
 class JavaScriptChannelHostApiImpl extends JavaScriptChannelHostApi {
   /// Constructs a [JavaScriptChannelHostApiImpl].
   JavaScriptChannelHostApiImpl({
-    this.binaryMessenger,
+    super.binaryMessenger,
     InstanceManager? instanceManager,
   }) : instanceManager = instanceManager ?? JavaObject.globalInstanceManager;
 
-  /// Sends binary data across the Flutter platform barrier.
-  ///
-  /// If it is null, the default BinaryMessenger will be used which routes to
-  /// the host platform.
-  final BinaryMessenger? binaryMessenger;
-
   /// Maintains instances stored to communicate with java objects.
   final InstanceManager instanceManager;
 
@@ -554,16 +535,10 @@ class JavaScriptChannelFlutterApiImpl extends JavaScriptChannelFlutterApi {
 class WebViewClientHostApiImpl extends WebViewClientHostApi {
   /// Constructs a [WebViewClientHostApiImpl].
   WebViewClientHostApiImpl({
-    this.binaryMessenger,
+    super.binaryMessenger,
     InstanceManager? instanceManager,
   }) : instanceManager = instanceManager ?? JavaObject.globalInstanceManager;
 
-  /// Sends binary data across the Flutter platform barrier.
-  ///
-  /// If it is null, the default BinaryMessenger will be used which routes to
-  /// the host platform.
-  final BinaryMessenger? binaryMessenger;
-
   /// Maintains instances stored to communicate with java objects.
   final InstanceManager instanceManager;
 
@@ -747,16 +722,10 @@ class WebViewClientFlutterApiImpl extends WebViewClientFlutterApi {
 class DownloadListenerHostApiImpl extends DownloadListenerHostApi {
   /// Constructs a [DownloadListenerHostApiImpl].
   DownloadListenerHostApiImpl({
-    this.binaryMessenger,
+    super.binaryMessenger,
     InstanceManager? instanceManager,
   }) : instanceManager = instanceManager ?? JavaObject.globalInstanceManager;
 
-  /// Sends binary data across the Flutter platform barrier.
-  ///
-  /// If it is null, the default BinaryMessenger will be used which routes to
-  /// the host platform.
-  final BinaryMessenger? binaryMessenger;
-
   /// Maintains instances stored to communicate with java objects.
   final InstanceManager instanceManager;
 
@@ -807,16 +776,10 @@ class DownloadListenerFlutterApiImpl extends DownloadListenerFlutterApi {
 class WebChromeClientHostApiImpl extends WebChromeClientHostApi {
   /// Constructs a [WebChromeClientHostApiImpl].
   WebChromeClientHostApiImpl({
-    this.binaryMessenger,
+    super.binaryMessenger,
     InstanceManager? instanceManager,
   }) : instanceManager = instanceManager ?? JavaObject.globalInstanceManager;
 
-  /// Sends binary data across the Flutter platform barrier.
-  ///
-  /// If it is null, the default BinaryMessenger will be used which routes to
-  /// the host platform.
-  final BinaryMessenger? binaryMessenger;
-
   /// Maintains instances stored to communicate with java objects.
   final InstanceManager instanceManager;
 
@@ -893,16 +856,9 @@ class WebChromeClientFlutterApiImpl extends WebChromeClientFlutterApi {
 class WebStorageHostApiImpl extends WebStorageHostApi {
   /// Constructs a [WebStorageHostApiImpl].
   WebStorageHostApiImpl({
-    this.binaryMessenger,
+    super.binaryMessenger,
     InstanceManager? instanceManager,
-  })  : instanceManager = instanceManager ?? JavaObject.globalInstanceManager,
-        super(binaryMessenger: binaryMessenger);
-
-  /// Sends binary data across the Flutter platform barrier.
-  ///
-  /// If it is null, the default BinaryMessenger will be used which routes to
-  /// the host platform.
-  final BinaryMessenger? binaryMessenger;
+  }) : instanceManager = instanceManager ?? JavaObject.globalInstanceManager;
 
   /// Maintains instances stored to communicate with java objects.
   final InstanceManager instanceManager;

packages/webview_flutter/webview_flutter_android/test/android_navigation_delegate_test.dart

@@ -486,11 +486,6 @@ class CapturingWebViewClient extends android_webview.WebViewClient {
       bool value) async {
     synchronousReturnValueForShouldOverrideUrlLoading = value;
   }
-
-  @override
-  CapturingWebViewClient copy() {
-    return CapturingWebViewClient();
-  }
 }
 
 // Records the last created instance of itself.
@@ -505,11 +500,6 @@ class CapturingWebChromeClient extends android_webview.WebChromeClient {
   }
   static CapturingWebChromeClient lastCreatedDelegate =
       CapturingWebChromeClient();
-
-  @override
-  CapturingWebChromeClient copy() {
-    return CapturingWebChromeClient();
-  }
 }
 
 // Records the last created instance of itself.
@@ -523,9 +513,4 @@ class CapturingDownloadListener extends android_webview.DownloadListener {
   }
   static CapturingDownloadListener lastCreatedListener =
       CapturingDownloadListener(onDownloadStart: (_, __, ___, ____, _____) {});
-
-  @override
-  CapturingDownloadListener copy() {
-    return CapturingDownloadListener(onDownloadStart: onDownloadStart);
-  }
 }