Rename DesktopEngagement* to DesktopSessionDuration*.

chrome/browser/metrics/desktop_session/desktop_session_service_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/metrics/desktop_engagement/desktop_engagement_service.h"
+#include "chrome/browser/metrics/desktop_session/desktop_session_service.h"
 
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/test/histogram_tester.h"
 #include "base/test/test_mock_time_task_runner.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-// Mock class for |DesktopEngagementService| for testing.
-class MockDesktopEngagementService : public metrics::DesktopEngagementService {
+// Mock class for |DesktopSessionService| for testing.
+class MockDesktopSessionService : public metrics::DesktopSessionService {
  public:
-  MockDesktopEngagementService() {}
+  MockDesktopSessionService() {}
 
   bool is_timeout() const { return time_out_; }
 
-  using metrics::DesktopEngagementService::OnAudioStart;
-  using metrics::DesktopEngagementService::OnAudioEnd;
+  using metrics::DesktopSessionService::OnAudioStart;
+  using metrics::DesktopSessionService::OnAudioEnd;
 
  protected:
   void OnTimerFired() override {
-    DesktopEngagementService::OnTimerFired();
+    DesktopSessionService::OnTimerFired();
     time_out_ = true;
   }
 
  private:
   bool time_out_ = false;
 
-  DISALLOW_COPY_AND_ASSIGN(MockDesktopEngagementService);
+  DISALLOW_COPY_AND_ASSIGN(MockDesktopSessionService);
 };
 
-TEST(DesktopEngagementServiceTest, TestVisibility) {
+TEST(DesktopSessionServiceTest, TestVisibility) {
   base::MessageLoop loop(base::MessageLoop::TYPE_DEFAULT);
   base::HistogramTester histogram_tester;
 
-  MockDesktopEngagementService instance;
+  MockDesktopSessionService instance;
 
   // The browser becomes visible but it shouldn't start the session.
   instance.OnVisibilityChanged(true);
   EXPECT_FALSE(instance.in_session());
   EXPECT_TRUE(instance.is_visible());
   EXPECT_FALSE(instance.is_audio_playing());
   histogram_tester.ExpectTotalCount("Session.TotalDuration", 0);
 
   instance.OnUserEvent();
   EXPECT_TRUE(instance.in_session());
@@ skipping 17 matching lines @@
   EXPECT_TRUE(instance.is_visible());
   EXPECT_FALSE(instance.is_audio_playing());
   histogram_tester.ExpectTotalCount("Session.TotalDuration", 1);
   instance.OnVisibilityChanged(false);
   EXPECT_FALSE(instance.in_session());
   EXPECT_FALSE(instance.is_visible());
   EXPECT_FALSE(instance.is_audio_playing());
   histogram_tester.ExpectTotalCount("Session.TotalDuration", 2);
 }
 
-TEST(DesktopEngagementServiceTest, TestUserEvent) {
+TEST(DesktopSessionServiceTest, TestUserEvent) {
   base::MessageLoop loop(base::MessageLoop::TYPE_DEFAULT);
   base::HistogramTester histogram_tester;
 
-  MockDesktopEngagementService instance;
+  MockDesktopSessionService instance;
   instance.SetInactivityTimeoutForTesting(1);
 
   EXPECT_FALSE(instance.in_session());
   EXPECT_FALSE(instance.is_visible());
   EXPECT_FALSE(instance.is_audio_playing());
   histogram_tester.ExpectTotalCount("Session.TotalDuration", 0);
 
   // User event doesn't go through if nothing is visible.
   instance.OnUserEvent();
   EXPECT_FALSE(instance.in_session());
@@ skipping 12 matching lines @@
   while (!instance.is_timeout()) {
     base::RunLoop().RunUntilIdle();
   }
 
   EXPECT_FALSE(instance.in_session());
   EXPECT_TRUE(instance.is_visible());
   EXPECT_FALSE(instance.is_audio_playing());
   histogram_tester.ExpectTotalCount("Session.TotalDuration", 1);
 }
 
-TEST(DesktopEngagementServiceTest, TestAudioEvent) {
+TEST(DesktopSessionServiceTest, TestAudioEvent) {
   base::MessageLoop loop(base::MessageLoop::TYPE_DEFAULT);
   base::HistogramTester histogram_tester;
 
-  MockDesktopEngagementService instance;
+  MockDesktopSessionService instance;
   instance.SetInactivityTimeoutForTesting(1);
 
   instance.OnVisibilityChanged(true);
   instance.OnAudioStart();
   EXPECT_TRUE(instance.in_session());
   EXPECT_TRUE(instance.is_visible());
   EXPECT_TRUE(instance.is_audio_playing());
   histogram_tester.ExpectTotalCount("Session.TotalDuration", 0);
 
   instance.OnVisibilityChanged(false);
@@ skipping 11 matching lines @@
   // Wait until the session expires.
   while (!instance.is_timeout()) {
     base::RunLoop().RunUntilIdle();
   }
 
   EXPECT_FALSE(instance.in_session());
   EXPECT_FALSE(instance.is_visible());
   EXPECT_FALSE(instance.is_audio_playing());
   histogram_tester.ExpectTotalCount("Session.TotalDuration", 1);
 }