[Page Load Metrics] Add mojom file to page load metrics.

chrome/browser/page_load_metrics/metrics_web_contents_observer.cc

Index: chrome/browser/page_load_metrics/metrics_web_contents_observer.cc
diff --git a/chrome/browser/page_load_metrics/metrics_web_contents_observer.cc b/chrome/browser/page_load_metrics/metrics_web_contents_observer.cc
index 711eed8760f7c30adc9699d412f778bc571a9d3c..11e2501cfc81c8c760957770cce395d8982ba026 100644
--- a/chrome/browser/page_load_metrics/metrics_web_contents_observer.cc
+++ b/chrome/browser/page_load_metrics/metrics_web_contents_observer.cc
@@ -572,8 +572,8 @@ MetricsWebContentsObserver::NotifyAbortedProvisionalLoadsNewNavigation(
 
 void MetricsWebContentsObserver::OnTimingUpdated(
     content::RenderFrameHost* render_frame_host,
-    const PageLoadTiming& timing,
-    const PageLoadMetadata& metadata) {
+    const mojom::PageLoadTiming& timing,
+    const mojom::PageLoadMetadata& metadata) {
   // We may receive notifications from frames that have been navigated away
   // from. We simply ignore them.
   if (GetMainFrame(render_frame_host) != web_contents()->GetMainFrame()) {