[do not review][page_load_metrics] User Initiated Abort Tracking

components/page_load_metrics/browser/metrics_web_contents_observer_unittest.cc

Index: components/page_load_metrics/browser/metrics_web_contents_observer_unittest.cc
diff --git a/components/page_load_metrics/browser/metrics_web_contents_observer_unittest.cc b/components/page_load_metrics/browser/metrics_web_contents_observer_unittest.cc
index b1f3228fd9c5529e40fbf03ea14f220d5eb51bdf..88c6bd224c67e7d3deac7d46980b2e5a54c75644 100644
--- a/components/page_load_metrics/browser/metrics_web_contents_observer_unittest.cc
+++ b/components/page_load_metrics/browser/metrics_web_contents_observer_unittest.cc
@@ -442,6 +442,60 @@ TEST_F(MetricsWebContentsObserverTest, DontBackgroundQuickerLoad) {
   histogram_tester_.ExpectTotalCount(kHistogramFirstTextPaint, 0);
 }
 
+TEST_F(MetricsWebContentsObserverTest, AbortStopClose) {
+  PageLoadTiming timing;
+  timing.navigation_start = base::Time::FromDoubleT(1);
+  content::WebContentsTester* web_contents_tester =
+      content::WebContentsTester::For(web_contents());
+  web_contents_tester->NavigateAndCommit(GURL(kDefaultTestUrl));
+  observer_->OnMessageReceived(
+      PageLoadMetricsMsg_TimingUpdated(observer_->routing_id(), timing),
+      main_rfh());
+  // Simulate the user pressing the stop button.
+  observer_->NavigationStopped();
+  web_contents_tester->NavigateAndCommit(GURL(kDefaultTestUrl2));
+  observer_->OnMessageReceived(
+      PageLoadMetricsMsg_TimingUpdated(observer_->routing_id(), timing),
+      main_rfh());
+  // Kill the MetricsWebContentsObserver to simulate closing the tab.
+  observer_.reset();
+  histogram_tester_.ExpectTotalCount(kHistogramCommittedAbortStop, 1);
+  histogram_tester_.ExpectTotalCount(kHistogramCommittedAbortClose, 1);
+}
+
+TEST_F(MetricsWebContentsObserverTest, AbortNewNavigation) {
+  PageLoadTiming timing;
+  timing.navigation_start = base::Time::FromDoubleT(1);
+  content::WebContentsTester* web_contents_tester =
+      content::WebContentsTester::For(web_contents());
+  web_contents_tester->NavigateAndCommit(GURL(kDefaultTestUrl));
+  observer_->OnMessageReceived(
+      PageLoadMetricsMsg_TimingUpdated(observer_->routing_id(), timing),
+      main_rfh());
+  // Simulate the user performaning another navigation before first paint.
+  web_contents_tester->NavigateAndCommit(GURL(kDefaultTestUrl2));
+  histogram_tester_.ExpectTotalCount(kHistogramCommittedAbortNewNavigation, 1);
+}
+
+TEST_F(MetricsWebContentsObserverTest, AbortBackground) {
+  PageLoadTiming timing;
+  timing.navigation_start = base::Time::FromDoubleT(1);
+  timing.first_paint = base::TimeDelta::FromSeconds(10);
+  content::WebContentsTester* web_contents_tester =
+      content::WebContentsTester::For(web_contents());
+  web_contents_tester->NavigateAndCommit(GURL(kDefaultTestUrl));
+  // Background the tab and go for a coffee or something.
+  observer_->WasHidden();
+  observer_->OnMessageReceived(
+      PageLoadMetricsMsg_TimingUpdated(observer_->routing_id(), timing),
+      main_rfh());
+  // Come back and start browsing again.
+  observer_->WasShown();
+  // Simulate the user performaning another navigation.
+  web_contents_tester->NavigateAndCommit(GURL(kDefaultTestUrl2));
+  histogram_tester_.ExpectTotalCount(kHistogramBackgroundBeforePaint, 1);
+}
+
 TEST_F(MetricsWebContentsObserverTest, FailProvisionalLoad) {
   content::WebContentsTester* web_contents_tester =
       content::WebContentsTester::For(web_contents());