Rename Origin.unique() to opaque().

components/password_manager/core/browser/password_form_manager.cc

Index: components/password_manager/core/browser/password_form_manager.cc
diff --git a/components/password_manager/core/browser/password_form_manager.cc b/components/password_manager/core/browser/password_form_manager.cc
index 8c6eb9e245138e3c5fc4be2c347353f0bf5b7186..d969a9bfa5fa413a9042537a1b0145d58642f8ad 100644
--- a/components/password_manager/core/browser/password_form_manager.cc
+++ b/components/password_manager/core/browser/password_form_manager.cc
@@ -646,7 +646,7 @@ void PasswordFormManager::ProcessLoginPrompt() {
 
 void PasswordFormManager::ProcessUpdate() {
   DCHECK_EQ(FormFetcher::State::NOT_WAITING, form_fetcher_->GetState());
-  DCHECK(preferred_match_ || !pending_credentials_.federation_origin.unique());
+  DCHECK(preferred_match_ || !pending_credentials_.federation_origin.opaque());
   // If we're doing an Update, we either autofilled correctly and need to
   // update the stats, or the user typed in a new password for autofilled
   // username, or the user selected one of the non-preferred matches,
@@ -1109,7 +1109,7 @@ const PasswordForm* PasswordFormManager::FindBestMatchForUpdatePassword(
 
 const PasswordForm* PasswordFormManager::FindBestSavedMatch(
     const PasswordForm* form) const {
-  if (!form->federation_origin.unique())
+  if (!form->federation_origin.opaque())
     return nullptr;
   auto it = best_matches_.find(form->username_value);
   if (it != best_matches_.end())
@@ -1260,7 +1260,7 @@ base::Optional<PasswordForm> PasswordFormManager::UpdatePendingAndGetOldKey(
     // complicated, so we skip that, given it influences no users.
     update_related_credentials = false;
   } else if (observed_form_.new_password_element.empty() &&
-             pending_credentials_.federation_origin.unique() &&
+             pending_credentials_.federation_origin.opaque() &&
              !IsValidAndroidFacetURI(pending_credentials_.signon_realm) &&
              (pending_credentials_.password_element.empty() ||
               pending_credentials_.username_element.empty() ||
@@ -1277,7 +1277,7 @@ base::Optional<PasswordForm> PasswordFormManager::UpdatePendingAndGetOldKey(
     update_related_credentials = true;
   } else {
     update_related_credentials =
-        pending_credentials_.federation_origin.unique();
+        pending_credentials_.federation_origin.opaque();
   }
 
   // If this was a password update, then update all non-best matches entries