Basic implementation of showing password fill dialog on page load

ios/chrome/browser/passwords/ios_chrome_password_manager_driver.h

Index: ios/chrome/browser/passwords/ios_chrome_password_manager_driver.h
diff --git a/ios/chrome/browser/passwords/ios_chrome_password_manager_driver.h b/ios/chrome/browser/passwords/ios_chrome_password_manager_driver.h
index 7c026d0178b315b7cbda3c3e2387eb7051bcf871..5d92c7756e8f7a81e6e19ed8b6c3e6ceff198535 100644
--- a/ios/chrome/browser/passwords/ios_chrome_password_manager_driver.h
+++ b/ios/chrome/browser/passwords/ios_chrome_password_manager_driver.h
@@ -60,6 +60,11 @@ class IOSChromePasswordManagerDriver
                       const base::string16& password) override;
   void PreviewSuggestion(const base::string16& username,
                          const base::string16& password) override;
+  // TODO(jww): This method should be given a non-trivial implementation before
+  // launch of the fill-on-account password manager experiment. See
+  // https://crbug.com/568713.
+  void ShowInitialPasswordAccountSuggestions(
+      const autofill::PasswordFormFillData& form_data) override{};
   void ClearPreviewedForm() override;
   password_manager::PasswordGenerationManager* GetPasswordGenerationManager()
       override;