Convert Pass()→std::move() in //chrome

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 "chrome/browser/engagement/site_engagement_service.h"
+
+#include <utility>
+
 #include "base/command_line.h"
 #include "base/macros.h"
 #include "base/run_loop.h"
 #include "base/test/histogram_tester.h"
 #include "base/test/simple_test_clock.h"
 #include "base/values.h"
 #include "chrome/browser/content_settings/host_content_settings_map_factory.h"
 #include "chrome/browser/engagement/site_engagement_helper.h"
 #include "chrome/browser/engagement/site_engagement_metrics.h"
-#include "chrome/browser/engagement/site_engagement_service.h"
 #include "chrome/browser/engagement/site_engagement_service_factory.h"
 #include "chrome/browser/history/history_service_factory.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/test/base/browser_with_test_window_test.h"
 #include "components/content_settings/core/browser/content_settings_observer.h"
 #include "components/content_settings/core/browser/host_content_settings_map.h"
 #include "components/history/core/browser/history_database_params.h"
 #include "components/history/core/browser/history_service.h"
 #include "components/history/core/test/test_history_database.h"
@@ skipping 55 matching lines @@
   exploded_reference_time.millisecond = 0;
 
   return base::Time::FromLocalExploded(exploded_reference_time);
 }
 
 scoped_ptr<KeyedService> BuildTestHistoryService(
     content::BrowserContext* context) {
   scoped_ptr<history::HistoryService> service(new history::HistoryService());
   service->Init(std::string(),
                 history::TestHistoryDatabaseParamsForPath(g_temp_history_dir));
-  return service.Pass();
+  return std::move(service);
 }
 
 }  // namespace
 
 class SiteEngagementScoreTest : public testing::Test {
  public:
   SiteEngagementScoreTest() : score_(&test_clock_) {}
 
  protected:
   void VerifyScore(const SiteEngagementScore& score,
@@ skipping 819 matching lines @@
                            &task_tracker);
     waiter.Wait();
 
     // Only origin3 remains.
     EXPECT_EQ(0, engagement->GetScore(origin1));
     EXPECT_EQ(0, engagement->GetScore(origin2));
     EXPECT_EQ(5.0, engagement->GetScore(origin3));
     EXPECT_EQ(5.0, engagement->GetTotalEngagementPoints());
   }
 }