finished implementing history with removal options

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

@@ -24,4 +24,15 @@ class GeckoHistoryService {
       VisitType.values.toSet().difference(types).toList(),
     );
   }
+
+  Future<void> deleteVisit(VisitInfo info) {
+    return _api.deleteVisit(info.url, info.visitTime);
+  }
+
+  Future<void> deleteVisitsBetween(DateTime start, DateTime end) {
+    return _api.deleteVisitsBetween(
+      start.millisecondsSinceEpoch,
+      end.millisecondsSinceEpoch,
+    );
+  }
 }

packages/flutter_mozilla_components/lib/src/pigeons/gecko.g.dart

@@ -5731,6 +5731,52 @@ class GeckoHistoryApi {
       return (pigeonVar_replyList[0] as List<Object?>?)!.cast<VisitInfo>();
     }
   }
+
+  Future<void> deleteVisit(String url, int timestamp) async {
+    final String pigeonVar_channelName = 'dev.flutter.pigeon.flutter_mozilla_components.GeckoHistoryApi.deleteVisit$pigeonVar_messageChannelSuffix';
+    final BasicMessageChannel<Object?> pigeonVar_channel = BasicMessageChannel<Object?>(
+      pigeonVar_channelName,
+      pigeonChannelCodec,
+      binaryMessenger: pigeonVar_binaryMessenger,
+    );
+    final Future<Object?> pigeonVar_sendFuture = pigeonVar_channel.send(<Object?>[url, timestamp]);
+    final List<Object?>? pigeonVar_replyList =
+        await pigeonVar_sendFuture as List<Object?>?;
+    if (pigeonVar_replyList == null) {
+      throw _createConnectionError(pigeonVar_channelName);
+    } else if (pigeonVar_replyList.length > 1) {
+      throw PlatformException(
+        code: pigeonVar_replyList[0]! as String,
+        message: pigeonVar_replyList[1] as String?,
+        details: pigeonVar_replyList[2],
+      );
+    } else {
+      return;
+    }
+  }
+
+  Future<void> deleteVisitsBetween(int startMillis, int endMillis) async {
+    final String pigeonVar_channelName = 'dev.flutter.pigeon.flutter_mozilla_components.GeckoHistoryApi.deleteVisitsBetween$pigeonVar_messageChannelSuffix';
+    final BasicMessageChannel<Object?> pigeonVar_channel = BasicMessageChannel<Object?>(
+      pigeonVar_channelName,
+      pigeonChannelCodec,
+      binaryMessenger: pigeonVar_binaryMessenger,
+    );
+    final Future<Object?> pigeonVar_sendFuture = pigeonVar_channel.send(<Object?>[startMillis, endMillis]);
+    final List<Object?>? pigeonVar_replyList =
+        await pigeonVar_sendFuture as List<Object?>?;
+    if (pigeonVar_replyList == null) {
+      throw _createConnectionError(pigeonVar_channelName);
+    } else if (pigeonVar_replyList.length > 1) {
+      throw PlatformException(
+        code: pigeonVar_replyList[0]! as String,
+        message: pigeonVar_replyList[1] as String?,
+        details: pigeonVar_replyList[2],
+      );
+    } else {
+      return;
+    }
+  }
 }
 
 class GeckoDownloadsApi {