Convert //remoting to use std::unique_ptr

remoting/test/chromoting_test_driver.cc

Index: remoting/test/chromoting_test_driver.cc
diff --git a/remoting/test/chromoting_test_driver.cc b/remoting/test/chromoting_test_driver.cc
index 055a6346b3cb0da2ad3ffef882a8db5da22d2340..4cd7ab66c0ea3116823754110e24ec184f2e16c5 100644
--- a/remoting/test/chromoting_test_driver.cc
+++ b/remoting/test/chromoting_test_driver.cc
@@ -218,7 +218,7 @@ int main(int argc, char* argv[]) {
   // Create and register our global test data object. It will handle
   // retrieving an access token or host list for the user. The GTest framework
   // will own the lifetime of this object once it is registered below.
-  scoped_ptr<remoting::test::ChromotingTestDriverEnvironment> shared_data(
+  std::unique_ptr<remoting::test::ChromotingTestDriverEnvironment> shared_data(
       new remoting::test::ChromotingTestDriverEnvironment(options));
 
   if (!shared_data->Initialize(auth_code)) {