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

chrome/browser/page_load_metrics/observers/ukm_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/ukm_page_load_metrics_observer.h"
 
 #include "base/memory/ptr_util.h"
 #include "base/metrics/metrics_hashes.h"
 #include "base/optional.h"
 #include "base/time/time.h"
@@ skipping 158 matching lines @@
 TEST_F(UkmPageLoadMetricsObserverTest, NoMetrics) {
   EXPECT_EQ(0ul, ukm_source_count());
   EXPECT_EQ(0ul, ukm_entry_count());
 }
 
 TEST_F(UkmPageLoadMetricsObserverTest, Basic) {
   // PageLoadTiming with all recorded metrics other than FMP. This allows us to
   // verify both that all metrics are logged, and that we don't log metrics that
   // aren't present in the PageLoadTiming struct. Logging of FMP is verified in
   // the FirstMeaningfulPaint test below.
-  page_load_metrics::PageLoadTiming timing;
+  page_load_metrics::mojom::PageLoadTiming timing;
+  page_load_metrics::InitPageLoadTimingForTest(&timing);
   timing.navigation_start = base::Time::FromDoubleT(1);
-  timing.parse_timing.parse_start = base::TimeDelta::FromMilliseconds(100);
-  timing.document_timing.dom_content_loaded_event_start =
+  timing.parse_timing->parse_start = base::TimeDelta::FromMilliseconds(100);
+  timing.document_timing->dom_content_loaded_event_start =
       base::TimeDelta::FromMilliseconds(200);
-  timing.paint_timing.first_contentful_paint =
+  timing.paint_timing->first_contentful_paint =
       base::TimeDelta::FromMilliseconds(300);
-  timing.document_timing.load_event_start =
+  timing.document_timing->load_event_start =
       base::TimeDelta::FromMilliseconds(500);
   PopulateRequiredTimingFields(&timing);
 
   NavigateAndCommit(GURL(kTestUrl1));
   SimulateTimingUpdate(timing);
 
   // Simulate closing the tab.
   DeleteContents();
 
   EXPECT_EQ(1ul, ukm_source_count());
@@ skipping 54 matching lines @@
   ExpectMetric(internal::kUkmNetErrorCode,
                static_cast<int64_t>(net::ERR_TIMED_OUT) * -1,
                entry_proto.metrics());
   EXPECT_TRUE(
       HasMetric(internal::kUkmForegroundDurationName, entry_proto.metrics()));
   EXPECT_TRUE(
       HasMetric(internal::kUkmFailedProvisionaLoadName, entry_proto.metrics()));
 }
 
 TEST_F(UkmPageLoadMetricsObserverTest, FirstMeaningfulPaint) {
-  page_load_metrics::PageLoadTiming timing;
+  page_load_metrics::mojom::PageLoadTiming timing;
+  page_load_metrics::InitPageLoadTimingForTest(&timing);
   timing.navigation_start = base::Time::FromDoubleT(1);
-  timing.paint_timing.first_meaningful_paint =
+  timing.paint_timing->first_meaningful_paint =
       base::TimeDelta::FromMilliseconds(600);
   PopulateRequiredTimingFields(&timing);
 
   NavigateAndCommit(GURL(kTestUrl1));
   SimulateTimingUpdate(timing);
 
   // Simulate closing the tab.
   DeleteContents();
 
   EXPECT_EQ(1ul, ukm_source_count());
   const ukm::UkmSource* source = GetUkmSourceForUrl(kTestUrl1);
   EXPECT_EQ(GURL(kTestUrl1), source->url());
 
   EXPECT_GE(ukm_entry_count(), 1ul);
   ukm::Entry entry_proto = GetMergedEntryProtoForSourceID(source->id());
   EXPECT_EQ(entry_proto.source_id(), source->id());
   EXPECT_EQ(entry_proto.event_hash(),
             base::HashMetricName(internal::kUkmPageLoadEventName));
   EXPECT_FALSE(entry_proto.metrics().empty());
   ExpectMetric(internal::kUkmFirstMeaningfulPaintName, 600,
                entry_proto.metrics());
   EXPECT_TRUE(
       HasMetric(internal::kUkmForegroundDurationName, entry_proto.metrics()));
 }
 
 TEST_F(UkmPageLoadMetricsObserverTest, MultiplePageLoads) {
-  page_load_metrics::PageLoadTiming timing1;
+  page_load_metrics::mojom::PageLoadTiming timing1;
+  page_load_metrics::InitPageLoadTimingForTest(&timing1);
   timing1.navigation_start = base::Time::FromDoubleT(1);
-  timing1.paint_timing.first_contentful_paint =
+  timing1.paint_timing->first_contentful_paint =
       base::TimeDelta::FromMilliseconds(200);
   PopulateRequiredTimingFields(&timing1);
 
   // Second navigation reports no timing metrics.
-  page_load_metrics::PageLoadTiming timing2;
+  page_load_metrics::mojom::PageLoadTiming timing2;
+  page_load_metrics::InitPageLoadTimingForTest(&timing2);
   timing2.navigation_start = base::Time::FromDoubleT(1);
   PopulateRequiredTimingFields(&timing2);
 
   NavigateAndCommit(GURL(kTestUrl1));
   SimulateTimingUpdate(timing1);
 
   NavigateAndCommit(GURL(kTestUrl2));
   SimulateTimingUpdate(timing2);
 
   // Simulate closing the tab.
@@ skipping 78 matching lines @@
 
   EXPECT_GE(ukm_entry_count(), 1ul);
   ukm::Entry entry_proto = GetMergedEntryProtoForSourceID(source->id());
   EXPECT_EQ(entry_proto.source_id(), source->id());
   EXPECT_EQ(entry_proto.event_hash(),
             base::HashMetricName(internal::kUkmPageLoadEventName));
   EXPECT_FALSE(entry_proto.metrics().empty());
   ExpectMetric(internal::kUkmPageTransition, ui::PAGE_TRANSITION_RELOAD,
                entry_proto.metrics());
 }