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

chrome/browser/page_load_metrics/observers/protocol_page_load_metrics_observer_unittest.cc

Index: chrome/browser/page_load_metrics/observers/protocol_page_load_metrics_observer_unittest.cc
diff --git a/chrome/browser/page_load_metrics/observers/protocol_page_load_metrics_observer_unittest.cc b/chrome/browser/page_load_metrics/observers/protocol_page_load_metrics_observer_unittest.cc
index d230d5133c3b4181fd9386919c35b184acf4463a..f01c3de23f686dc919c4a84f68854016d86c4bda 100644
--- a/chrome/browser/page_load_metrics/observers/protocol_page_load_metrics_observer_unittest.cc
+++ b/chrome/browser/page_load_metrics/observers/protocol_page_load_metrics_observer_unittest.cc
@@ -17,17 +17,19 @@ class ProtocolPageLoadMetricsObserverTest
     tracker->AddObserver(std::move(observer));
   }
 
-  void InitializeTestPageLoadTiming(page_load_metrics::PageLoadTiming* timing) {
+  void InitializeTestPageLoadTiming(
+      page_load_metrics::mojom::PageLoadTiming* timing) {
+    page_load_metrics::InitPageLoadTimingForTest(timing);
     timing->navigation_start = base::Time::FromDoubleT(1);
-    timing->parse_timing.parse_start = base::TimeDelta::FromMilliseconds(100);
-    timing->paint_timing.first_paint = base::TimeDelta::FromMilliseconds(200);
-    timing->paint_timing.first_contentful_paint =
+    timing->parse_timing->parse_start = base::TimeDelta::FromMilliseconds(100);
+    timing->paint_timing->first_paint = base::TimeDelta::FromMilliseconds(200);
+    timing->paint_timing->first_contentful_paint =
         base::TimeDelta::FromMilliseconds(300);
-    timing->paint_timing.first_meaningful_paint =
+    timing->paint_timing->first_meaningful_paint =
         base::TimeDelta::FromMilliseconds(400);
-    timing->document_timing.dom_content_loaded_event_start =
+    timing->document_timing->dom_content_loaded_event_start =
         base::TimeDelta::FromMilliseconds(600);
-    timing->document_timing.load_event_start =
+    timing->document_timing->load_event_start =
         base::TimeDelta::FromMilliseconds(1000);
     PopulateRequiredTimingFields(timing);
   }
@@ -40,7 +42,7 @@ class ProtocolPageLoadMetricsObserverTest
     // NavigationHandle.
     observer_->connection_info_ = connection_info;
 
-    page_load_metrics::PageLoadTiming timing;
+    page_load_metrics::mojom::PageLoadTiming timing;
     InitializeTestPageLoadTiming(&timing);
     SimulateTimingUpdate(timing);