mus ws: Move 'reset(new' to base::MakeUnique.

services/ui/ws/user_activity_monitor_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 "services/ui/ws/user_activity_monitor.h"
 
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/test/simple_test_tick_clock.h"
 #include "base/test/test_mock_time_task_runner.h"
@@ skipping 74 matching lines @@
     task_runner_->FastForwardBy(delta);
   }
   void RunUntilIdle() { task_runner_->RunUntilIdle(); }
 
  private:
   // testing::Test:
   void SetUp() override {
     task_runner_ = make_scoped_refptr(new base::TestMockTimeTaskRunner(
         base::Time::Now(), base::TimeTicks::Now()));
     message_loop_.SetTaskRunner(task_runner_);
-    monitor_.reset(new UserActivityMonitor(task_runner_->GetMockTickClock()));
+    monitor_ =
+        base::MakeUnique<UserActivityMonitor>(task_runner_->GetMockTickClock());
   }
 
   base::MessageLoop message_loop_;
   scoped_refptr<base::TestMockTimeTaskRunner> task_runner_;
   std::unique_ptr<UserActivityMonitor> monitor_;
 
   DISALLOW_COPY_AND_ASSIGN(UserActivityMonitorTest);
 };
 
 TEST_F(UserActivityMonitorTest, UserActivityObserver) {
@@ skipping 103 matching lines @@
   RunUntilIdle();
   EXPECT_FALSE(first_observer.GetAndResetIdleState(&idle_state));
   EXPECT_FALSE(second_observer.GetAndResetIdleState(&idle_state));
   EXPECT_FALSE(third_observer.GetAndResetIdleState(&idle_state));
   EXPECT_FALSE(fourth_observer.GetAndResetIdleState(&idle_state));
 }
 
 }  // namespace test
 }  // namespace ws
 }  // namespace ui