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 8ea3004f11702f7011d6c7af8d1836cca184df7c..0468a8f93c32ef77145ae1b9f8b4332b8f77aa35 100644
--- a/components/password_manager/core/browser/password_form_manager.cc
+++ b/components/password_manager/core/browser/password_form_manager.cc
@@ -717,7 +717,7 @@ 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,
@@ -1257,7 +1257,7 @@ const PasswordForm* PasswordFormManager::FindBestMatchForUpdatePassword(
 
 const PasswordForm* PasswordFormManager::FindBestSavedMatch(
     const PasswordForm* submitted_form) const {
-  if (!submitted_form->federation_origin.unique())
+  if (!submitted_form->federation_origin.opaque())
     return nullptr;
 
   // Return form with matching |username_value|.
@@ -1514,7 +1514,7 @@ 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() ||
@@ -1531,7 +1531,7 @@ 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