improved error logging and handling

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

@@ -5,6 +5,7 @@
  */
 
 import 'dart:async';
+import 'dart:developer' as developer;
 
 import 'package:flutter_mozilla_components/src/pigeons/gecko.g.dart';
 
@@ -32,7 +33,13 @@ class GeckoContainerProxyService {
       return await _apiInstance.healthcheck().timeout(
         const Duration(milliseconds: 250),
       );
-    } catch (_) {
+    } catch (e, s) {
+      developer.log(
+        'Container proxy healthcheck failed',
+        error: e,
+        stackTrace: s,
+        name: 'GeckoContainerProxyService',
+      );
       return Future.value(false);
     }
   }

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

@@ -50,7 +50,7 @@ class GeckoHistoryService {
       case VisitType.download:
         return _api.deleteDownload(info.contentId!);
       case VisitType.bookmark:
-        throw UnimplementedError();
+        throw UnimplementedError('VisitType.bookmark deletion not implemented');
     }
   }
 

packages/flutter_mozilla_components/lib/src/geckoview_widget.dart

@@ -5,6 +5,7 @@
  */
 
 import 'dart:async';
+import 'dart:developer' as developer;
 
 import 'package:flutter/foundation.dart';
 import 'package:flutter/gestures.dart';
@@ -66,7 +67,7 @@ class _GeckoViewState extends State<GeckoView> {
       final result = await browserService.showNativeFragment();
 
       if (result) {
-        debugPrint('Fragment ATTACHED after $attempt tries');
+        developer.log('Fragment ATTACHED after $attempt tries', name: 'GeckoView');
         return true;
       }
 
@@ -75,7 +76,7 @@ class _GeckoViewState extends State<GeckoView> {
       }
     }
 
-    debugPrint('Fragment FAILED after $maxRetries tries');
+    developer.log('Fragment FAILED after $maxRetries tries', name: 'GeckoView', level: 900);
     return false;
   }