Convert //sandbox to use std::unique_ptr

sandbox/win/src/target_process.cc

Index: sandbox/win/src/target_process.cc
diff --git a/sandbox/win/src/target_process.cc b/sandbox/win/src/target_process.cc
index 2e0376fd9b537e4dc25966b8c801035453686438..495d35c9df0cca2b639b3912f75c80726e32da00 100644
--- a/sandbox/win/src/target_process.cc
+++ b/sandbox/win/src/target_process.cc
@@ -7,11 +7,11 @@
 #include <stddef.h>
 #include <stdint.h>
 
+#include <memory>
 #include <utility>
 
 #include "base/macros.h"
 #include "base/memory/free_deleter.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/win/pe_image.h"
 #include "base/win/startup_information.h"
 #include "base/win/windows_version.h"
@@ -133,7 +133,7 @@ DWORD TargetProcess::Create(const wchar_t* exe_path,
   exe_name_.reset(_wcsdup(exe_path));
 
   // the command line needs to be writable by CreateProcess().
-  scoped_ptr<wchar_t, base::FreeDeleter> cmd_line(_wcsdup(command_line));
+  std::unique_ptr<wchar_t, base::FreeDeleter> cmd_line(_wcsdup(command_line));
 
   // Start the target process suspended.
   DWORD flags =