PasswordFormManager takes WeakPtr<PasswordManagerDriver>

components/password_manager/core/browser/BUILD.gn

 # Copyright 2014 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.
 
 if (is_android) {
   import("//build/config/android/config.gni")
 }
 
 config("password_manager_config") {
   # Sync (not supported in Android WebView).
@@ skipping 19 matching lines @@
     "password_autofill_manager.cc",
     "password_autofill_manager.h",
     "password_form_manager.cc",
     "password_form_manager.h",
     "password_generation_manager.cc",
     "password_generation_manager.h",
     "password_manager.cc",
     "password_manager.h",
     "password_manager_client.cc",
     "password_manager_client.h",
+    "password_manager_driver.cc",
     "password_manager_driver.h",
     "password_manager_internals_service.cc",
     "password_manager_internals_service.h",
     "password_manager_metrics_util.cc",
     "password_manager_metrics_util.h",
     "password_manager_url_collection_experiment.cc",
     "password_manager_url_collection_experiment.h",
     "password_store.cc",
     "password_store.h",
     "password_store_change.h",
@@ skipping 62 matching lines @@
   public_deps = [
     ":browser",
   ]
   deps = [
     "//base",
     "//components/autofill/core/common",
     "//testing/gmock",
     "//testing/gtest",
   ]
 }