pipe gecko logs to flutter

packages/flutter_mozilla_components/lib/src/domain/services/gecko_logging.dart

@@ -0,0 +1,29 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+import 'package:flutter/services.dart';
+import 'package:flutter_mozilla_components/src/pigeons/gecko.g.dart';
+
+class GeckoLoggingService extends GeckoLogging {
+  final void Function(LogLevel level, String message) handleLog;
+
+  GeckoLoggingService.setUp(
+    this.handleLog, {
+    BinaryMessenger? binaryMessenger,
+    String messageChannelSuffix = '',
+  }) {
+    GeckoLogging.setUp(
+      this,
+      binaryMessenger: binaryMessenger,
+      messageChannelSuffix: messageChannelSuffix,
+    );
+  }
+
+  @override
+  void onLog(LogLevel level, String message) {
+    handleLog(level, message);
+  }
+}