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

chrome/browser/page_load_metrics/observers/ukm_page_load_metrics_observer.h

 // 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.
 
 #ifndef CHROME_BROWSER_PAGE_LOAD_METRICS_OBSERVERS_UKM_PAGE_LOAD_METRICS_OBSERVER_H_
 #define CHROME_BROWSER_PAGE_LOAD_METRICS_OBSERVERS_UKM_PAGE_LOAD_METRICS_OBSERVER_H_
 
 #include "base/macros.h"
 #include "base/optional.h"
 #include "base/time/time.h"
@@ skipping 39 matching lines @@
   ~UkmPageLoadMetricsObserver() override;
 
   // page_load_metrics::PageLoadMetricsObserver implementation:
   ObservePolicy OnStart(content::NavigationHandle* navigation_handle,
                         const GURL& currently_committed_url,
                         bool started_in_foreground) override;
 
   ObservePolicy OnCommit(content::NavigationHandle* navigation_handle) override;
 
   ObservePolicy FlushMetricsOnAppEnterBackground(
-      const page_load_metrics::PageLoadTiming& timing,
+      const page_load_metrics::mojom::PageLoadTiming& timing,
       const page_load_metrics::PageLoadExtraInfo& info) override;
 
   ObservePolicy OnHidden(
-      const page_load_metrics::PageLoadTiming& timing,
+      const page_load_metrics::mojom::PageLoadTiming& timing,
       const page_load_metrics::PageLoadExtraInfo& info) override;
 
   void OnFailedProvisionalLoad(
       const page_load_metrics::FailedProvisionalLoadInfo& failed_load_info,
       const page_load_metrics::PageLoadExtraInfo& extra_info) override;
 
-  void OnComplete(const page_load_metrics::PageLoadTiming& timing,
+  void OnComplete(const page_load_metrics::mojom::PageLoadTiming& timing,
                   const page_load_metrics::PageLoadExtraInfo& info) override;
 
  private:
   // Records page load timing related metrics available in PageLoadTiming, such
   // as first contentful paint.
-  void RecordTimingMetrics(const page_load_metrics::PageLoadTiming& timing);
+  void RecordTimingMetrics(
+      const page_load_metrics::mojom::PageLoadTiming& timing);
 
   // Records metrics based on the PageLoadExtraInfo struct, as well as updating
   // the URL. |app_background_time| should be set to a timestamp if the app was
   // backgrounded, otherwise it should be set to a null TimeTicks.
   void RecordPageLoadExtraInfoMetrics(
       const page_load_metrics::PageLoadExtraInfo& info,
       base::TimeTicks app_background_time);
 
   net::NetworkQualityEstimator::NetworkQualityProvider* const
       network_quality_provider_;
 
   // Unique UKM identifier for the page load we are recording metrics for.
   const int32_t source_id_;
 
   // Network quality estimates.
   net::EffectiveConnectionType effective_connection_type_ =
       net::EFFECTIVE_CONNECTION_TYPE_UNKNOWN;
   base::Optional<base::TimeDelta> http_rtt_estimate_;
   base::Optional<base::TimeDelta> transport_rtt_estimate_;
 
   // PAGE_TRANSITION_LINK is the default PageTransition value.
   ui::PageTransition page_transition_ = ui::PAGE_TRANSITION_LINK;
 
   DISALLOW_COPY_AND_ASSIGN(UkmPageLoadMetricsObserver);
 };
 
 #endif  // CHROME_BROWSER_PAGE_LOAD_METRICS_OBSERVERS_UKM_PAGE_LOAD_METRICS_OBSERVER_H_