[Tab Metrics] Measure FP, FCP and FMP for Foreground Tab during Session Restore

chrome/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("//build/config/chrome_build.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/split_static_library.gni")
 import("//chrome/common/features.gni")
@@ skipping 3334 matching lines @@
       "notifications/screen_lock_notification_blocker.cc",
       "notifications/screen_lock_notification_blocker.h",
       "notifications/system_component_notifier_source_chromeos.cc",
       "notifications/system_component_notifier_source_chromeos.h",
       "notifications/web_page_notifier_source.cc",
       "notifications/web_page_notifier_source.h",
       "obsolete_system/obsolete_system.h",
       "obsolete_system/obsolete_system_linux.cc",
       "obsolete_system/obsolete_system_mac.cc",
       "obsolete_system/obsolete_system_win.cc",
+      "page_load_metrics/observers/session_restore_page_load_metrics_observer.cc",
+      "page_load_metrics/observers/session_restore_page_load_metrics_observer.h",
       "pdf/pdf_extension_util.cc",
       "pdf/pdf_extension_util.h",
       "policy/local_sync_policy_handler.cc",
       "policy/local_sync_policy_handler.h",
       "process_singleton_modal_dialog_lock.cc",
       "process_singleton_modal_dialog_lock.h",
       "process_singleton_posix.cc",
       "process_singleton_startup_lock.cc",
       "process_singleton_startup_lock.h",
       "profile_resetter/brandcode_config_fetcher.cc",
@@ skipping 1282 matching lines @@
       "//components/search_engines",
       "//rlz:rlz_lib",
     ]
   }
 }
 
 service_manifest("preferences_forwarder_manifest") {
   name = "preferences_forwarder"
   source = "prefs/forwarder_manifest.json"
 }