Add a basic functionality to the force-saving menu item.

chrome/browser/password_manager/chrome_password_manager_client.h

Index: chrome/browser/password_manager/chrome_password_manager_client.h
diff --git a/chrome/browser/password_manager/chrome_password_manager_client.h b/chrome/browser/password_manager/chrome_password_manager_client.h
index cab70322e63601a6c6b7197f37681dcc184281db..18d2f5733f6ce7124f4d1495f12a4471fdcc62de 100644
--- a/chrome/browser/password_manager/chrome_password_manager_client.h
+++ b/chrome/browser/password_manager/chrome_password_manager_client.h
@@ -59,6 +59,7 @@ class ChromePasswordManagerClient
       const GURL& origin,
       base::Callback<void(const password_manager::CredentialInfo&)> callback)
       override;
+  void ForceSavePassword() override;
   void NotifyUserAutoSignin(
       ScopedVector<autofill::PasswordForm> local_forms) override;
   void AutomaticPasswordSave(scoped_ptr<password_manager::PasswordFormManager>