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

chrome/browser/page_load_metrics/observers/media_page_load_metrics_observer_unittest.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/media_page_load_metrics_observer.h"
 
 #include <memory>
 
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
@@ skipping 11 matching lines @@
 
 }  // namespace
 
 class MediaPageLoadMetricsObserverTest
     : public page_load_metrics::PageLoadMetricsObserverTestHarness {
  public:
   MediaPageLoadMetricsObserverTest() {}
   ~MediaPageLoadMetricsObserverTest() override = default;
 
   void ResetTest() {
+    page_load_metrics::InitPageLoadTimingForTest(&timing_);
     // Reset to the default testing state. Does not reset histogram state.
     timing_.navigation_start = base::Time::FromDoubleT(1);
     timing_.response_start = base::TimeDelta::FromSeconds(2);
-    timing_.parse_timing.parse_start = base::TimeDelta::FromSeconds(3);
-    timing_.paint_timing.first_contentful_paint =
+    timing_.parse_timing->parse_start = base::TimeDelta::FromSeconds(3);
+    timing_.paint_timing->first_contentful_paint =
         base::TimeDelta::FromSeconds(4);
-    timing_.paint_timing.first_image_paint = base::TimeDelta::FromSeconds(5);
-    timing_.paint_timing.first_text_paint = base::TimeDelta::FromSeconds(6);
-    timing_.document_timing.load_event_start = base::TimeDelta::FromSeconds(7);
+    timing_.paint_timing->first_image_paint = base::TimeDelta::FromSeconds(5);
+    timing_.paint_timing->first_text_paint = base::TimeDelta::FromSeconds(6);
+    timing_.document_timing->load_event_start = base::TimeDelta::FromSeconds(7);
     PopulateRequiredTimingFields(&timing_);
 
     network_bytes_ = 0;
     cache_bytes_ = 0;
   }
 
   void SimulatePageLoad(bool simulate_play_media,
                         bool simulate_app_background) {
     NavigateAndCommit(GURL(kDefaultTestUrl));
 
@@ skipping 50 matching lines @@
  protected:
   void RegisterObservers(page_load_metrics::PageLoadTracker* tracker) override {
     tracker->AddObserver(base::MakeUnique<MediaPageLoadMetricsObserver>());
   }
 
   // Simulated byte usage since the last time the test was reset.
   int64_t network_bytes_;
   int64_t cache_bytes_;
 
  private:
-  page_load_metrics::PageLoadTiming timing_;
+  page_load_metrics::mojom::PageLoadTiming timing_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaPageLoadMetricsObserverTest);
 };
 
 TEST_F(MediaPageLoadMetricsObserverTest, MediaPlayed) {
   ResetTest();
   SimulatePageLoad(true /* simulate_play_media */,
                    false /* simulate_app_background */);
 
   histogram_tester().ExpectUniqueSample(
@@ skipping 28 matching lines @@
   SimulatePageLoad(false /* simulate_play_media */,
                    false /* simulate_app_background */);
 
   histogram_tester().ExpectTotalCount(
       "PageLoad.Clients.MediaPageLoad.Experimental.Bytes.Network", 0);
   histogram_tester().ExpectTotalCount(
       "PageLoad.Clients.MediaPageLoad.Experimental.Bytes.Cache", 0);
   histogram_tester().ExpectTotalCount(
       "PageLoad.Clients.MediaPageLoad.Experimental.Bytes.Total", 0);
 }