PasswordStore: Clean up expectations about rewriting vectors of forms

components/password_manager/core/browser/test_password_store.cc

Index: components/password_manager/core/browser/test_password_store.cc
diff --git a/components/password_manager/core/browser/test_password_store.cc b/components/password_manager/core/browser/test_password_store.cc
index a420e9e707b206bb4714f78c015b8beca60d3764..6c416edc3899329311b0bb42d65d169587c9df4f 100644
--- a/components/password_manager/core/browser/test_password_store.cc
+++ b/components/password_manager/core/browser/test_password_store.cc
@@ -131,11 +131,13 @@ void TestPasswordStore::GetBlacklistLoginsImpl(
 
 bool TestPasswordStore::FillAutofillableLogins(
     ScopedVector<autofill::PasswordForm>* forms) {
+  forms->clear();
   return true;
 }
 
 bool TestPasswordStore::FillBlacklistLogins(
     ScopedVector<autofill::PasswordForm>* forms) {
+  forms->clear();
   return true;
 }