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

chrome/browser/page_load_metrics/observers/tab_restore_page_load_metrics_observer_unittest.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/tab_restore_page_load_metrics_observer.h"
 
 #include <memory>
 #include <string>
 
 #include "base/macros.h"
@@ skipping 30 matching lines @@
 };
 
 }  // namespace
 
 class TabRestorePageLoadMetricsObserverTest
     : public page_load_metrics::PageLoadMetricsObserverTestHarness {
  public:
   TabRestorePageLoadMetricsObserverTest() {}
 
   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 is_restore, bool simulate_app_background) {
     is_restore_ = is_restore;
     NavigateAndCommit(GURL(kDefaultTestUrl));
     SimulateTimingUpdate(timing_);
@@ skipping 48 matching lines @@
     tracker->AddObserver(base::WrapUnique(
         new TestTabRestorePageLoadMetricsObserver(is_restore_.value())));
   }
 
   // Simulated byte usage since the last time the test was reset.
   int64_t network_bytes_;
   int64_t cache_bytes_;
 
  private:
   base::Optional<bool> is_restore_;
-  page_load_metrics::PageLoadTiming timing_;
+  page_load_metrics::mojom::PageLoadTiming timing_;
 
   DISALLOW_COPY_AND_ASSIGN(TabRestorePageLoadMetricsObserverTest);
 };
 
 TEST_F(TabRestorePageLoadMetricsObserverTest, NotRestored) {
   ResetTest();
   SimulatePageLoad(false /* is_restore */, false /* simulate_app_background */);
   histogram_tester().ExpectTotalCount(
       "PageLoad.Clients.TabRestore.Experimental.Bytes.Network", 0);
   histogram_tester().ExpectTotalCount(
@@ skipping 22 matching lines @@
   histogram_tester().ExpectUniqueSample(
       "PageLoad.Clients.TabRestore.Experimental.Bytes.Network",
       static_cast<int>(network_bytes_ / 1024), 1);
   histogram_tester().ExpectUniqueSample(
       "PageLoad.Clients.TabRestore.Experimental.Bytes.Cache",
       static_cast<int>(cache_bytes_ / 1024), 1);
   histogram_tester().ExpectUniqueSample(
       "PageLoad.Clients.TabRestore.Experimental.Bytes.Total",
       static_cast<int>((network_bytes_ + cache_bytes_) / 1024), 1);
 }