Show user credentials chooser bubble.

components/password_manager/core/browser/stub_password_manager_client.cc

Index: components/password_manager/core/browser/stub_password_manager_client.cc
diff --git a/components/password_manager/core/browser/stub_password_manager_client.cc b/components/password_manager/core/browser/stub_password_manager_client.cc
index 013eb73b937f8448239aa3fbd9c0fa59f6947c32..3145bc2c2dca36f1c0a82ddd9fc9e37c89d5784b 100644
--- a/components/password_manager/core/browser/stub_password_manager_client.cc
+++ b/components/password_manager/core/browser/stub_password_manager_client.cc
@@ -4,6 +4,7 @@
 
 #include "components/password_manager/core/browser/stub_password_manager_client.h"
 
+#include "base/memory/scoped_vector.h"
 #include "components/password_manager/core/browser/password_form_manager.h"
 
 namespace password_manager {
@@ -31,6 +32,14 @@ bool StubPasswordManagerClient::PromptUserToSavePassword(
   return false;
 }
 
+bool StubPasswordManagerClient::PromptUserToChooseCredentials(
+    const std::vector<autofill::PasswordForm*>& forms,
+    base::Callback<void(const password_manager::CredentialInfo&)> callback) {
+  ScopedVector<autofill::PasswordForm> entries;
+  entries.assign(forms.begin(), forms.end());
+  return false;
+}
+
 void StubPasswordManagerClient::AutomaticPasswordSave(
     scoped_ptr<PasswordFormManager> saved_manager) {}