add history toolbar button spec

apps/weblibre/lib/features/geckoview/features/browser/features/contextual_toolbar/domain/entities/toolbar_button_id.dart

@@ -21,6 +21,7 @@
 enum ToolbarButtonId {
   back,
   forward,
+  history,
   bookmarks,
   bookmarkToggle,
   share,

apps/weblibre/lib/features/geckoview/features/browser/features/contextual_toolbar/domain/entities/toolbar_button_spec.dart

@@ -46,6 +46,11 @@ const forwardToolbarButtonSpec = ToolbarButtonSpec(
   defaultFallback: ToolbarButtonId.share,
 );
 
+const historyToolbarButtonSpec = ToolbarButtonSpec(
+  id: ToolbarButtonId.history,
+  defaultVisible: false,
+);
+
 const bookmarksToolbarButtonSpec = ToolbarButtonSpec(
   id: ToolbarButtonId.bookmarks,
   defaultVisible: false,
@@ -167,6 +172,7 @@ const quitToolbarButtonSpec = ToolbarButtonSpec(
 const toolbarButtonSpecs = [
   backToolbarButtonSpec,
   forwardToolbarButtonSpec,
+  historyToolbarButtonSpec,
   bookmarksToolbarButtonSpec,
   bookmarkToggleToolbarButtonSpec,
   shareToolbarButtonSpec,

apps/weblibre/lib/features/geckoview/features/browser/features/contextual_toolbar/presentation/toolbar_button_registry.dart

@@ -121,6 +121,21 @@ final List<ToolbarButtonDefinition> toolbarButtonRegistry = [
       return NavigateForwardButton(selectedTabId: scope.selectedTabId);
     },
   ),
+  ToolbarButtonDefinition(
+    spec: historyToolbarButtonSpec,
+    label: 'History',
+    icon: Icons.history,
+    builder: (scope, context, ref) {
+      return IconButton(
+        onPressed: scope.isPreview
+            ? () {}
+            : () async {
+                await const HistoryRoute().push(context);
+              },
+        icon: const Icon(Icons.history),
+      );
+    },
+  ),
   ToolbarButtonDefinition(
     spec: bookmarksToolbarButtonSpec,
     label: 'Bookmarks',