| Index: chrome/browser/BUILD.gn | 
| diff --git a/chrome/browser/BUILD.gn b/chrome/browser/BUILD.gn | 
| index e2e3310c54faf5fe085fd34d9150d090bceb02bd..78733d8089917b1340edf12bc98bc78021e6a98c 100644 | 
| --- a/chrome/browser/BUILD.gn | 
| +++ b/chrome/browser/BUILD.gn | 
| @@ -716,6 +716,8 @@ split_static_library("browser") { | 
| "page_load_metrics/observers/no_state_prefetch_page_load_metrics_observer.h", | 
| "page_load_metrics/observers/previews_page_load_metrics_observer.cc", | 
| "page_load_metrics/observers/previews_page_load_metrics_observer.h", | 
| +    "page_load_metrics/observers/protocol_page_load_metrics_observer.cc", | 
| +    "page_load_metrics/observers/protocol_page_load_metrics_observer.h", | 
| "page_load_metrics/observers/service_worker_page_load_metrics_observer.cc", | 
| "page_load_metrics/observers/service_worker_page_load_metrics_observer.h", | 
| "page_load_metrics/page_load_metrics_embedder_interface.h", | 
|  |