Convert //remoting to use std::unique_ptr

remoting/test/connection_time_observer_unittest.cc

Index: remoting/test/connection_time_observer_unittest.cc
diff --git a/remoting/test/connection_time_observer_unittest.cc b/remoting/test/connection_time_observer_unittest.cc
index 8e52e595f3f0474ca0108b38538377d59f8a51c0..d77fc1a7187af780c836470f495f4655fd3cc96d 100644
--- a/remoting/test/connection_time_observer_unittest.cc
+++ b/remoting/test/connection_time_observer_unittest.cc
@@ -29,7 +29,7 @@ class ConnectionTimeObserverTest : public ::testing::Test {
   std::map<protocol::ConnectionToHost::State, base::TimeTicks> test_map_;
 
   // Observes and saves the times when the chromoting connection state changes.
-  scoped_ptr<ConnectionTimeObserver> connection_time_observer_;
+  std::unique_ptr<ConnectionTimeObserver> connection_time_observer_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ConnectionTimeObserverTest);