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

chrome/browser/page_load_metrics/observers/https_engagement_metrics/https_engagement_page_load_metrics_observer.cc

 // Copyright 2016 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/https_engagement_metrics/https_engagement_page_load_metrics_observer.h"
 
 #include "base/metrics/histogram_macros.h"
 #include "chrome/browser/page_load_metrics/observers/https_engagement_metrics/https_engagement_service_factory.h"
 #include "url/url_constants.h"
 
@@ skipping 14 matching lines @@
     content::NavigationHandle* navigation_handle,
     const GURL& currently_committed_url,
     bool started_in_foreground) {
   if (started_in_foreground)
     OnShown();
   return CONTINUE_OBSERVING;
 }
 
 page_load_metrics::PageLoadMetricsObserver::ObservePolicy
 HttpsEngagementPageLoadMetricsObserver::OnHidden(
-    const page_load_metrics::PageLoadTiming& timing,
+    const page_load_metrics::mojom::PageLoadTiming& timing,
     const page_load_metrics::PageLoadExtraInfo& extra_info) {
   if (currently_in_foreground_) {
     foreground_time_ += base::TimeTicks::Now() - last_time_shown_;
     currently_in_foreground_ = false;
   }
   return CONTINUE_OBSERVING;
 }
 
 page_load_metrics::PageLoadMetricsObserver::ObservePolicy
 HttpsEngagementPageLoadMetricsObserver::OnShown() {
   last_time_shown_ = base::TimeTicks::Now();
   currently_in_foreground_ = true;
   return CONTINUE_OBSERVING;
 }
 
 void HttpsEngagementPageLoadMetricsObserver::OnComplete(
-    const page_load_metrics::PageLoadTiming& timing,
+    const page_load_metrics::mojom::PageLoadTiming& timing,
     const page_load_metrics::PageLoadExtraInfo& extra_info) {
   if (!extra_info.did_commit || !extra_info.url.is_valid()) {
     return;
   }
 
   // Don't record anything if the user never saw it.
   if (!currently_in_foreground_ && foreground_time_.is_zero())
     return;
 
   if (currently_in_foreground_)
     OnHidden(timing, extra_info);
 
   if (extra_info.url.SchemeIs(url::kHttpsScheme)) {
     if (engagement_service_)
       engagement_service_->RecordTimeOnPage(foreground_time_,
                                             HttpsEngagementService::HTTPS);
     UMA_HISTOGRAM_LONG_TIMES_100(internal::kHttpsEngagementHistogram,
                                  foreground_time_);
   } else if (extra_info.url.SchemeIs(url::kHttpScheme)) {
     if (engagement_service_)
       engagement_service_->RecordTimeOnPage(foreground_time_,
                                             HttpsEngagementService::HTTP);
     UMA_HISTOGRAM_LONG_TIMES_100(internal::kHttpEngagementHistogram,
                                  foreground_time_);
   }
 }