Add FormFetcher::RemoveConsumer

components/password_manager/core/browser/form_fetcher_impl.cc

Index: components/password_manager/core/browser/form_fetcher_impl.cc
diff --git a/components/password_manager/core/browser/form_fetcher_impl.cc b/components/password_manager/core/browser/form_fetcher_impl.cc
index 91b29c708e0e436d4c1a5017a29db134e2c4694c..789180a975a75faba54009c2c9a1ff237ad02660 100644
--- a/components/password_manager/core/browser/form_fetcher_impl.cc
+++ b/components/password_manager/core/browser/form_fetcher_impl.cc
@@ -87,6 +87,11 @@ void FormFetcherImpl::AddConsumer(FormFetcher::Consumer* consumer) {
     consumer->ProcessMatches(weak_non_federated_, filtered_count_);
 }
 
+void FormFetcherImpl::RemoveConsumer(FormFetcher::Consumer* consumer) {
+  size_t removed_consumers = consumers_.erase(consumer);
+  DCHECK_EQ(1u, removed_consumers);
+}
+
 FormFetcherImpl::State FormFetcherImpl::GetState() const {
   return state_;
 }