Implement logging of the Credential Manager API calls to chrome://password-manager-internals.

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.
 
 import("//third_party/protobuf/proto_library.gni")
 
 if (is_android) {
   import("//build/config/android/config.gni")
 }
 
@@ skipping 10 matching lines @@
     "affiliation_fetch_throttler_delegate.h",
     "affiliation_fetcher.cc",
     "affiliation_fetcher.h",
     "affiliation_fetcher_delegate.h",
     "affiliation_service.cc",
     "affiliation_service.h",
     "affiliation_utils.cc",
     "affiliation_utils.h",
     "browser_save_password_progress_logger.cc",
     "browser_save_password_progress_logger.h",
+    "credential_manager_logger.cc",
+    "credential_manager_logger.h",
     "credential_manager_password_form_manager.cc",
     "credential_manager_password_form_manager.h",
     "credential_manager_pending_request_task.cc",
     "credential_manager_pending_request_task.h",
     "credential_manager_pending_require_user_mediation_task.cc",
     "credential_manager_pending_require_user_mediation_task.h",
     "credentials_filter.h",
     "export/csv_writer.cc",
     "export/csv_writer.h",
     "export/password_csv_writer.cc",
@@ skipping 204 matching lines @@
   testonly = true
   sources = [
     "affiliated_match_helper_unittest.cc",
     "affiliation_backend_unittest.cc",
     "affiliation_database_unittest.cc",
     "affiliation_fetch_throttler_unittest.cc",
     "affiliation_fetcher_unittest.cc",
     "affiliation_service_unittest.cc",
     "affiliation_utils_unittest.cc",
     "browser_save_password_progress_logger_unittest.cc",
+    "credential_manager_logger_unittest.cc",
     "export/csv_writer_unittest.cc",
     "export/password_csv_writer_unittest.cc",
     "export/password_exporter_unittest.cc",
     "facet_manager_unittest.cc",
     "form_fetcher_impl_unittest.cc",
     "form_saver_impl_unittest.cc",
     "import/csv_reader_unittest.cc",
     "import/password_csv_reader_unittest.cc",
     "import/password_importer_unittest.cc",
     "log_manager_unittest.cc",
@@ skipping 35 matching lines @@
     "//components/sync:test_support_sync_driver",
     "//components/variations",
     "//net:test_support",
     "//sql:test_support",
     "//testing/gmock",
     "//testing/gtest",
     "//ui/base",
     "//url",
   ]
 }