Fix formatting

packages/webview_flutter/webview_flutter_platform_interface/lib/src/types/auto_media_playback_policy.dart

@@ -19,4 +19,4 @@ enum AutoMediaPlaybackPolicy {
   /// For example: JavaScript code that's triggered when the page is loaded can start playing
   /// video or audio.
   always_allow,
-}
+}

packages/webview_flutter/webview_flutter_platform_interface/lib/src/types/javascript_channel.dart

@@ -18,7 +18,7 @@ class JavascriptChannel {
   JavascriptChannel({
     required this.name,
     required this.onMessageReceived,
-  })  : assert(_validChannelNames.hasMatch(name));
+  }) : assert(_validChannelNames.hasMatch(name));
 
   /// The channel's name.
   ///

packages/webview_flutter/webview_flutter_platform_interface/lib/src/types/javascript_message.dart

@@ -11,4 +11,4 @@ class JavascriptMessage {
 
   /// The contents of the message that was sent by the JavaScript code.
   final String message;
-}
+}

packages/webview_flutter/webview_flutter_platform_interface/lib/src/types/web_resource_error.dart

@@ -115,4 +115,4 @@ class WebResourceError {
   /// This value is not provided on iOS. Alternatively, you can keep track of
   /// the last values provided to [WebViewPlatformController.loadUrl].
   final String? failingUrl;
-}
+}