Make PasswordFormManager::best_matches_ const

components/password_manager/core/browser/password_manager_client.h

Index: components/password_manager/core/browser/password_manager_client.h
diff --git a/components/password_manager/core/browser/password_manager_client.h b/components/password_manager/core/browser/password_manager_client.h
index 3ea1499f5d4774b5ee8ec42abd448319ae2afa30..299ac6d7f3bf35a018d227b28dc2a177ece08687 100644
--- a/components/password_manager/core/browser/password_manager_client.h
+++ b/components/password_manager/core/browser/password_manager_client.h
@@ -141,10 +141,11 @@ class PasswordManagerClient {
   // They are never filled, but might be needed in the UI, for example. Default
   // implementation is a noop.
   virtual void PasswordWasAutofilled(
-      const autofill::PasswordFormMap& best_matches,
+      const std::map<base::string16, const autofill::PasswordForm*>&
+          best_matches,
       const GURL& origin,
-      const std::vector<std::unique_ptr<autofill::PasswordForm>>*
-          federated_matches) const;
+      const std::vector<const autofill::PasswordForm*>* federated_matches)
+      const;
 
   // Gets prefs associated with this embedder.
   virtual PrefService* GetPrefs() = 0;