Add FormFetcher::RemoveConsumer

components/password_manager/core/browser/form_fetcher_impl_unittest.cc

Index: components/password_manager/core/browser/form_fetcher_impl_unittest.cc
diff --git a/components/password_manager/core/browser/form_fetcher_impl_unittest.cc b/components/password_manager/core/browser/form_fetcher_impl_unittest.cc
index 9372dbdfb1e76f48249a13dba430c0e6deb08667..310c7baf939816a588aabb72160809a4492659ad 100644
--- a/components/password_manager/core/browser/form_fetcher_impl_unittest.cc
+++ b/components/password_manager/core/browser/form_fetcher_impl_unittest.cc
@@ -617,4 +617,14 @@ TEST_F(FormFetcherImplTest, Clone_Stats) {
   EXPECT_EQ(1u, clone->GetInteractionsStats().size());
 }
 
+// Check that removing consumers stops them from receiving store updates.
+TEST_F(FormFetcherImplTest, RemoveConsumer) {
+  Fetch();
+  form_fetcher_->AddConsumer(&consumer_);
+  form_fetcher_->RemoveConsumer(&consumer_);
+  EXPECT_CALL(consumer_, ProcessMatches(_, _)).Times(0);
+  form_fetcher_->OnGetPasswordStoreResults(
+      std::vector<std::unique_ptr<PasswordForm>>());
+}
+
 }  // namespace password_manager