[webview_flutter] Exposes missing JavaScriptLogLevel from platform interface (flutter#5061)

`JavaScriptConsoleMessage` includes a field with type  `JavaScriptLogLevel` and was missing from flutter/packages#4705.

Author: bparrishMines

packages/webview_flutter/webview_flutter/CHANGELOG.md

@@ -1,6 +1,10 @@
+## 4.4.1
+
+* Exposes `JavaScriptLogLevel` from platform interface.
+
 ## 4.4.0
 
-* Adds support to register a callback to receive JavaScript console messages. See `WebViewController.setConsoleLogCallback`.
+* Adds support to register a callback to receive JavaScript console messages. See `WebViewController.setOnConsoleMessage`.
 
 ## 4.3.0
 

packages/webview_flutter/webview_flutter/lib/webview_flutter.dart

@@ -7,6 +7,7 @@ library webview_flutter;
 export 'package:webview_flutter_platform_interface/webview_flutter_platform_interface.dart'
     show
         JavaScriptConsoleMessage,
+        JavaScriptLogLevel,
         JavaScriptMessage,
         JavaScriptMode,
         LoadRequestMethod,

packages/webview_flutter/webview_flutter/pubspec.yaml

@@ -2,7 +2,7 @@ name: webview_flutter
 description: A Flutter plugin that provides a WebView widget on Android and iOS.
 repository: https://github.com/flutter/packages/tree/main/packages/webview_flutter/webview_flutter
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+webview%22
-version: 4.4.0
+version: 4.4.1
 
 environment:
   sdk: ">=2.19.0 <4.0.0"

packages/webview_flutter/webview_flutter/test/webview_flutter_test.dart

@@ -10,6 +10,10 @@ void main() {
     test('ensure webview_flutter.dart exports classes from platform interface',
         () {
       // ignore: unnecessary_statements
+      main_file.JavaScriptConsoleMessage;
+      // ignore: unnecessary_statements
+      main_file.JavaScriptLogLevel;
+      // ignore: unnecessary_statements
       main_file.JavaScriptMessage;
       // ignore: unnecessary_statements
       main_file.JavaScriptMode;