PasswordForm -> FormDigest for GetLogins

ios/chrome/browser/passwords/credential_manager.mm

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import "ios/chrome/browser/passwords/credential_manager.h"
 
 #include <utility>
 
 #include "base/ios/ios_util.h"
 #import "base/ios/weak_nsobject.h"
@@ skipping 294 matching lines @@
     info = password_manager::CredentialInfo(*form, type_to_return);
     // TODO(vasilii): update |skip_zero_click| in the store (crbug.com/594110).
   }
   SendCredential(send_callback, info);
 }
 
 password_manager::PasswordManagerClient* CredentialManager::client() const {
   return client_;
 }
 
-autofill::PasswordForm CredentialManager::GetSynthesizedFormForOrigin() const {
-  autofill::PasswordForm synthetic_form;
-  synthetic_form.origin = web_state()->GetLastCommittedURL().GetOrigin();
-  synthetic_form.signon_realm = synthetic_form.origin.spec();
-  synthetic_form.scheme = autofill::PasswordForm::SCHEME_HTML;
-  return synthetic_form;
+password_manager::PasswordStore::FormDigest
+CredentialManager::GetSynthesizedFormForOrigin() const {
+  password_manager::PasswordStore::FormDigest form = {
+      autofill::PasswordForm::SCHEME_HTML, std::string(),
+      web_state()->GetLastCommittedURL().GetOrigin()};
+  form.signon_realm = form.origin.spec();
+  return form;
 }
 
 void CredentialManager::OnProvisionalSaveComplete() {
   // Invoked after a credential sent up by the page was stored in a FormManager
   // by |SignedIn|, this function asks the user if the password should be stored
   // in the password manager.
   DCHECK(form_manager_);
   if (client_->IsSavingAndFillingEnabledForCurrentPage() &&
       !form_manager_->IsBlacklisted()) {
     client_->PromptUserToSaveOrUpdatePassword(
@@ skipping 46 matching lines @@
 bool CredentialManager::GetUrlWithAbsoluteTrust(GURL* page_url) {
   web::URLVerificationTrustLevel trust_level =
       web::URLVerificationTrustLevel::kNone;
   const GURL possibly_untrusted_url(web_state()->GetCurrentURL(&trust_level));
   if (trust_level == web::URLVerificationTrustLevel::kAbsolute) {
     *page_url = possibly_untrusted_url;
     return true;
   }
   return false;
 }