Convert //remoting to use std::unique_ptr

remoting/test/chromoting_test_driver_environment.h

Index: remoting/test/chromoting_test_driver_environment.h
diff --git a/remoting/test/chromoting_test_driver_environment.h b/remoting/test/chromoting_test_driver_environment.h
index 291a5fe881bec858f7e8df921b821e2c9791e0e8..e6e1bc64fb84ce7911c53225681d393ee750ce88 100644
--- a/remoting/test/chromoting_test_driver_environment.h
+++ b/remoting/test/chromoting_test_driver_environment.h
@@ -5,13 +5,13 @@
 #ifndef REMOTING_TEST_CHROMOTING_TEST_DRIVER_ENVIRONMENT_H_
 #define REMOTING_TEST_CHROMOTING_TEST_DRIVER_ENVIRONMENT_H_
 
+#include <memory>
 #include <string>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/files/file_path.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "remoting/test/host_info.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ -141,7 +141,7 @@ class ChromotingTestDriverEnvironment : public testing::Environment {
   remoting::test::HostListFetcher* test_host_list_fetcher_;
 
   // Used for running network request tasks.
-  scoped_ptr<base::MessageLoopForIO> message_loop_;
+  std::unique_ptr<base::MessageLoopForIO> message_loop_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromotingTestDriverEnvironment);
 };