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

chrome/browser/page_load_metrics/page_load_metrics_observer.cc

Index: chrome/browser/page_load_metrics/page_load_metrics_observer.cc
diff --git a/chrome/browser/page_load_metrics/page_load_metrics_observer.cc b/chrome/browser/page_load_metrics/page_load_metrics_observer.cc
index 181c30de2d376a2d3e5ea9fcb644900d2fd0d1f9..65d6341c931390a3053510c3491bc6ee7d308d2e 100644
--- a/chrome/browser/page_load_metrics/page_load_metrics_observer.cc
+++ b/chrome/browser/page_load_metrics/page_load_metrics_observer.cc
@@ -20,8 +20,8 @@ PageLoadExtraInfo::PageLoadExtraInfo(
     PageEndReason page_end_reason,
     UserInitiatedInfo page_end_user_initiated_info,
     const base::Optional<base::TimeDelta>& page_end_time,
-    const PageLoadMetadata& main_frame_metadata,
-    const PageLoadMetadata& subframe_metadata)
+    const mojom::PageLoadMetadata& main_frame_metadata,
+    const mojom::PageLoadMetadata& subframe_metadata)
     : navigation_start(navigation_start),
       first_background_time(first_background_time),
       first_foreground_time(first_foreground_time),
@@ -52,8 +52,8 @@ PageLoadExtraInfo PageLoadExtraInfo::CreateForTesting(
       UserInitiatedInfo::BrowserInitiated(), url, url, true /* did_commit */,
       page_load_metrics::END_NONE,
       page_load_metrics::UserInitiatedInfo::NotUserInitiated(),
-      base::TimeDelta(), page_load_metrics::PageLoadMetadata(),
-      page_load_metrics::PageLoadMetadata());
+      base::TimeDelta(), page_load_metrics::mojom::PageLoadMetadata(),
+      page_load_metrics::mojom::PageLoadMetadata());
 }
 
 ExtraRequestCompleteInfo::ExtraRequestCompleteInfo(
@@ -113,7 +113,7 @@ PageLoadMetricsObserver::OnDidFinishSubFrameNavigation(
 }
 
 PageLoadMetricsObserver::ObservePolicy PageLoadMetricsObserver::OnHidden(
-    const PageLoadTiming& timing,
+    const mojom::PageLoadTiming& timing,
     const PageLoadExtraInfo& extra_info) {
   return CONTINUE_OBSERVING;
 }
@@ -124,7 +124,7 @@ PageLoadMetricsObserver::ObservePolicy PageLoadMetricsObserver::OnShown() {
 
 PageLoadMetricsObserver::ObservePolicy
 PageLoadMetricsObserver::FlushMetricsOnAppEnterBackground(
-    const PageLoadTiming& timing,
+    const mojom::PageLoadTiming& timing,
     const PageLoadExtraInfo& extra_info) {
   return CONTINUE_OBSERVING;
 }