initial multi user feature

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

@@ -123,10 +123,10 @@ class GeckoAddonService extends GeckoAddonEvents {
     );
   }
 
-  void dispose() {
-    unawaited(_browserExtensionSubject.close());
-    unawaited(_pageExtensionSubject.close());
-    unawaited(_browserIconSubject.close());
-    unawaited(_pageIconSubject.close());
+  Future<void> dispose() async {
+    await _browserExtensionSubject.close();
+    await _pageExtensionSubject.close();
+    await _browserIconSubject.close();
+    await _pageIconSubject.close();
   }
 }

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

@@ -18,11 +18,17 @@ class GeckoBrowserService {
   }
 
   Future<void> initialize(
+    String profileFolder,
     LogLevel logLevel,
     ContentBlocking contentBlocking,
     AddonCollection? addonCollection,
   ) {
-    return _api.initialize(logLevel, contentBlocking, addonCollection);
+    return _api.initialize(
+      profileFolder,
+      logLevel,
+      contentBlocking,
+      addonCollection,
+    );
   }
 
   Future<bool> showNativeFragment() {

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

@@ -210,23 +210,23 @@ class GeckoEventService extends GeckoStateEvents {
     );
   }
 
-  void dispose() {
-    unawaited(_viewStateSubject.close());
-    unawaited(_engineStateSubject.close());
-    unawaited(_tabListSubject.close());
-    unawaited(_selectedTabSubject.close());
-    unawaited(_tabContentSubject.close());
-    unawaited(_historySubject.close());
-    unawaited(_readerableSubject.close());
-    unawaited(_securityInfoSubject.close());
-    unawaited(_iconChangeSubject.close());
-    unawaited(_iconUpdateSubject.close());
-    unawaited(_thumbnailSubject.close());
-    unawaited(_findResultsSubject.close());
-    unawaited(_longPressSubject.close());
-    unawaited(_scrollEventSubject.close());
-    unawaited(_tabAddedSubject.close());
-    unawaited(_prefUpdateSubject.close());
-    unawaited(_siteAssignementSubject.close());
+  Future<void> dispose() async {
+    await _viewStateSubject.close();
+    await _engineStateSubject.close();
+    await _tabListSubject.close();
+    await _selectedTabSubject.close();
+    await _tabContentSubject.close();
+    await _historySubject.close();
+    await _readerableSubject.close();
+    await _securityInfoSubject.close();
+    await _iconChangeSubject.close();
+    await _iconUpdateSubject.close();
+    await _thumbnailSubject.close();
+    await _findResultsSubject.close();
+    await _longPressSubject.close();
+    await _scrollEventSubject.close();
+    await _tabAddedSubject.close();
+    await _prefUpdateSubject.close();
+    await _siteAssignementSubject.close();
   }
 }

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

@@ -48,7 +48,7 @@ class GeckoReaderableService extends ReaderViewController {
     );
   }
 
-  void dispose() {
-    unawaited(_appearanceVisibility.close());
+  Future<void> dispose() async {
+    await _appearanceVisibility.close();
   }
 }

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

@@ -60,7 +60,7 @@ class GeckoSuggestionsService extends GeckoSuggestionEvents {
     );
   }
 
-  void dispose() {
-    unawaited(_suggestionsSubject.close());
+  Future<void> dispose() async {
+    await _suggestionsSubject.close();
   }
 }

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

@@ -32,7 +32,7 @@ class GeckoTabContentService extends GeckoTabContentEvents {
     _contentSubject.addWhenMoreRecent(timestamp, content.tabId, content);
   }
 
-  void dispose() {
-    unawaited(_contentSubject.close());
+  Future<void> dispose() async {
+    await _contentSubject.close();
   }
 }

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

@@ -3574,14 +3574,14 @@ class GeckoBrowserApi {
     }
   }
 
-  Future<void> initialize(LogLevel logLevel, ContentBlocking contentBlocking, AddonCollection? addonCollection) async {
+  Future<void> initialize(String profileFolder, LogLevel logLevel, ContentBlocking contentBlocking, AddonCollection? addonCollection) async {
     final String pigeonVar_channelName = 'dev.flutter.pigeon.flutter_mozilla_components.GeckoBrowserApi.initialize$pigeonVar_messageChannelSuffix';
     final BasicMessageChannel<Object?> pigeonVar_channel = BasicMessageChannel<Object?>(
       pigeonVar_channelName,
       pigeonChannelCodec,
       binaryMessenger: pigeonVar_binaryMessenger,
     );
-    final Future<Object?> pigeonVar_sendFuture = pigeonVar_channel.send(<Object?>[logLevel, contentBlocking, addonCollection]);
+    final Future<Object?> pigeonVar_sendFuture = pigeonVar_channel.send(<Object?>[profileFolder, logLevel, contentBlocking, addonCollection]);
     final List<Object?>? pigeonVar_replyList =
         await pigeonVar_sendFuture as List<Object?>?;
     if (pigeonVar_replyList == null) {