[Page Load Metrics] Structure PageLoadTiming.

chrome/browser/page_load_metrics/observers/ukm_page_load_metrics_observer.cc

 // Copyright 2017 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.
 
 #include "chrome/browser/page_load_metrics/observers/ukm_page_load_metrics_observer.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/net/nqe/ui_network_quality_estimator_service.h"
 #include "chrome/browser/net/nqe/ui_network_quality_estimator_service_factory.h"
 #include "chrome/browser/page_load_metrics/page_load_metrics_util.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 131 matching lines @@
   RecordPageLoadExtraInfoMetrics(
       info, base::TimeTicks() /* no app_background_time */);
   RecordTimingMetrics(timing);
 }
 
 void UkmPageLoadMetricsObserver::RecordTimingMetrics(
     const page_load_metrics::PageLoadTiming& timing) {
   ukm::UkmService* ukm_service = g_browser_process->ukm_service();
   std::unique_ptr<ukm::UkmEntryBuilder> builder =
       ukm_service->GetEntryBuilder(source_id_, internal::kUkmPageLoadEventName);
-  if (timing.parse_start) {
-    builder->AddMetric(internal::kUkmParseStartName,
-                       timing.parse_start.value().InMilliseconds());
+  if (timing.parse_timing.parse_start) {
+    builder->AddMetric(
+        internal::kUkmParseStartName,
+        timing.parse_timing.parse_start.value().InMilliseconds());
   }
-  if (timing.dom_content_loaded_event_start) {
+  if (timing.document_timing.dom_content_loaded_event_start) {
     builder->AddMetric(
         internal::kUkmDomContentLoadedName,
-        timing.dom_content_loaded_event_start.value().InMilliseconds());
+        timing.document_timing.dom_content_loaded_event_start.value()
+            .InMilliseconds());
   }
-  if (timing.load_event_start) {
-    builder->AddMetric(internal::kUkmLoadEventName,
-                       timing.load_event_start.value().InMilliseconds());
+  if (timing.document_timing.load_event_start) {
+    builder->AddMetric(
+        internal::kUkmLoadEventName,
+        timing.document_timing.load_event_start.value().InMilliseconds());
   }
-  if (timing.first_contentful_paint) {
-    builder->AddMetric(internal::kUkmFirstContentfulPaintName,
-                       timing.first_contentful_paint.value().InMilliseconds());
+  if (timing.paint_timing.first_contentful_paint) {
+    builder->AddMetric(
+        internal::kUkmFirstContentfulPaintName,
+        timing.paint_timing.first_contentful_paint.value().InMilliseconds());
   }
-  if (timing.first_meaningful_paint) {
-    builder->AddMetric(internal::kUkmFirstMeaningfulPaintName,
-                       timing.first_meaningful_paint.value().InMilliseconds());
+  if (timing.paint_timing.first_meaningful_paint) {
+    builder->AddMetric(
+        internal::kUkmFirstMeaningfulPaintName,
+        timing.paint_timing.first_meaningful_paint.value().InMilliseconds());
   }
 }
 
 void UkmPageLoadMetricsObserver::RecordPageLoadExtraInfoMetrics(
     const page_load_metrics::PageLoadExtraInfo& info,
     base::TimeTicks app_background_time) {
   ukm::UkmService* ukm_service = g_browser_process->ukm_service();
   ukm_service->UpdateSourceURL(source_id_, info.start_url);
   ukm_service->UpdateSourceURL(source_id_, info.url);
 
@@ skipping 17 matching lines @@
   }
   if (transport_rtt_estimate_) {
     builder->AddMetric(
         internal::kUkmTransportRttEstimate,
         static_cast<int64_t>(transport_rtt_estimate_.value().InMilliseconds()));
   }
   // page_transition_ fits in a uint32_t, so we can safely cast to int64_t.
   builder->AddMetric(internal::kUkmPageTransition,
                      static_cast<int64_t>(page_transition_));
 }