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

chrome/browser/page_load_metrics/observers/delay_navigation_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/delay_navigation_page_load_metrics_observer.h"
 
 #include "base/metrics/histogram_macros.h"
 
 namespace internal {
 
 const char kHistogramNavigationDelaySpecified[] =
     "PageLoad.Clients.DelayNavigation.Delay.Specified";
 const char kHistogramNavigationDelayActual[] =
     "PageLoad.Clients.DelayNavigation.Delay.Actual";
 const char kHistogramNavigationDelayDelta[] =
     "PageLoad.Clients.DelayNavigation.Delay.Delta";
 
 }  // namespace internal
 
 page_load_metrics::PageLoadMetricsObserver::ObservePolicy
 DelayNavigationPageLoadMetricsObserver::OnStart(
     content::NavigationHandle* navigation_handle,
     const GURL& currently_committed_url,
     bool started_in_foreground) {
   return started_in_foreground ? CONTINUE_OBSERVING : STOP_OBSERVING;
 }
 
 page_load_metrics::PageLoadMetricsObserver::ObservePolicy
 DelayNavigationPageLoadMetricsObserver::OnHidden(
-    const page_load_metrics::PageLoadTiming& timing,
+    const page_load_metrics::mojom::PageLoadTiming& timing,
     const page_load_metrics::PageLoadExtraInfo& info) {
   return STOP_OBSERVING;
 }
 
 void DelayNavigationPageLoadMetricsObserver::OnNavigationDelayComplete(
     base::TimeDelta scheduled_delay,
     base::TimeDelta actual_delay) {
   delay_navigation_ = true;
   scheduled_delay_ = scheduled_delay;
   actual_delay_ = actual_delay;
 }
 
 void DelayNavigationPageLoadMetricsObserver::OnFirstPaintInPage(
-    const page_load_metrics::PageLoadTiming& timing,
+    const page_load_metrics::mojom::PageLoadTiming& timing,
     const page_load_metrics::PageLoadExtraInfo& info) {
   if (!delay_navigation_)
     return;
 
   UMA_HISTOGRAM_TIMES(internal::kHistogramNavigationDelaySpecified,
                       scheduled_delay_);
   UMA_HISTOGRAM_TIMES(internal::kHistogramNavigationDelayActual, actual_delay_);
 
   base::TimeDelta delay_delta = actual_delay_ - scheduled_delay_;
   UMA_HISTOGRAM_TIMES(internal::kHistogramNavigationDelayDelta,
                       delay_delta.magnitude());
 }