Implement a site engagement score based on time-on-site.

chrome/browser/engagement/site_engagement_service_unittest.cc

 // Copyright 2015 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 "base/command_line.h"
 #include "base/test/simple_test_clock.h"
 #include "base/values.h"
 #include "chrome/browser/engagement/site_engagement_helper.h"
 #include "chrome/browser/engagement/site_engagement_service.h"
 #include "chrome/browser/engagement/site_engagement_service_factory.h"
@@ skipping 341 matching lines @@
 
   // The https and http versions of www.google.com should be separate.
   GURL url1("https://www.google.com/");
   GURL url2("http://www.google.com/");
   GURL url3("http://drive.google.com/");
 
   EXPECT_EQ(0, service->GetScore(url1));
   EXPECT_EQ(0, service->GetScore(url2));
   EXPECT_EQ(0, service->GetScore(url3));
 
-  service->HandleNavigation(url1);
+  service->HandleUserInput(url1);
   EXPECT_EQ(1, service->GetScore(url1));
   EXPECT_EQ(1, service->GetTotalEngagementPoints());
 
-  service->HandleNavigation(url2);
-  service->HandleNavigation(url2);
+  service->HandleUserInput(url2);
+  service->HandleUserInput(url2);
   EXPECT_EQ(2, service->GetScore(url2));
   EXPECT_EQ(3, service->GetTotalEngagementPoints());
 
-  service->HandleNavigation(url3);
+  service->HandleUserInput(url3);
   EXPECT_EQ(1, service->GetScore(url3));
   EXPECT_EQ(4, service->GetTotalEngagementPoints());
 
-  service->HandleNavigation(url1);
-  service->HandleNavigation(url1);
+  service->HandleUserInput(url1);
+  service->HandleUserInput(url1);
   EXPECT_EQ(3, service->GetScore(url1));
   EXPECT_EQ(6, service->GetTotalEngagementPoints());
 }