Handle the case when the updates are disabled for a component.

components/update_client/action.cc

Index: components/update_client/action.cc
diff --git a/components/update_client/action.cc b/components/update_client/action.cc
index 061dd220598e1465037066366f246773856ff328..cb9d738b3ef06c117d30f8fab1b151d9970e7e96 100644
--- a/components/update_client/action.cc
+++ b/components/update_client/action.cc
@@ -127,6 +127,19 @@ void ActionImpl::UpdateCrx() {
 
   item->update_begin = base::TimeTicks::Now();
 
+  if (item->component.supports_group_policy_enable_component_updates &&
+      !update_context_->config->EnabledComponentUpdates()) {
+    item->error_category =
+        static_cast<int>(Action::ErrorCategory::kServiceError);
+    item->error_code =
+        static_cast<int>(Action::ServiceError::ERROR_UPDATE_DISABLED);
+    item->extra_code1 = 0;
+    ChangeItemState(item, CrxUpdateItem::State::kNoUpdate);
+
+    UpdateCrxComplete(item);
+    return;
+  }
+
   std::unique_ptr<Action> update_action(
       CanTryDiffUpdate(item, update_context_->config)
           ? ActionUpdateDiff::Create()