Convert //chromecast from scoped_ptr to std::unique_ptr

chromecast/base/system_time_change_notifier_unittest.cc

Index: chromecast/base/system_time_change_notifier_unittest.cc
diff --git a/chromecast/base/system_time_change_notifier_unittest.cc b/chromecast/base/system_time_change_notifier_unittest.cc
index 2a3c19c7050068eb504fa8a4c4f83fa0f1764cbd..142a17e0504e85184e33e0d7675b95efd541d497 100644
--- a/chromecast/base/system_time_change_notifier_unittest.cc
+++ b/chromecast/base/system_time_change_notifier_unittest.cc
@@ -4,10 +4,11 @@
 
 #include "chromecast/base/system_time_change_notifier.h"
 
+#include <memory>
+
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/sequenced_task_runner.h"
@@ -86,9 +87,9 @@ class SystemTimeChangeNotifierTest : public testing::Test {
     run_loop.Run();
   }
 
-  scoped_ptr<base::MessageLoop> message_loop_;
-  scoped_ptr<SystemTimeChangeNotifierPeriodicMonitor> notifier_;
-  scoped_ptr<TimeChangeObserver> observer_;
+  std::unique_ptr<base::MessageLoop> message_loop_;
+  std::unique_ptr<SystemTimeChangeNotifierPeriodicMonitor> notifier_;
+  std::unique_ptr<TimeChangeObserver> observer_;
 };
 
 TEST_F(SystemTimeChangeNotifierTest, NotChanged) {