Convert //chrome from scoped_ptr to std::unique_ptr

chrome/service/cloud_print/cdd_conversion_win.cc

Index: chrome/service/cloud_print/cdd_conversion_win.cc
diff --git a/chrome/service/cloud_print/cdd_conversion_win.cc b/chrome/service/cloud_print/cdd_conversion_win.cc
index 2aad275fca25ad06ee3d1bec95908979a5ee9d12..3b055e65856342b13eeb03348655a7b5fc51d2bf 100644
--- a/chrome/service/cloud_print/cdd_conversion_win.cc
+++ b/chrome/service/cloud_print/cdd_conversion_win.cc
@@ -18,10 +18,10 @@ bool IsValidCjt(const std::string& print_ticket_data) {
   return description.InitFromString(print_ticket_data);
 }
 
-scoped_ptr<DEVMODE, base::FreeDeleter> CjtToDevMode(
+std::unique_ptr<DEVMODE, base::FreeDeleter> CjtToDevMode(
     const base::string16& printer_name,
     const std::string& print_ticket) {
-  scoped_ptr<DEVMODE, base::FreeDeleter> dev_mode;
+  std::unique_ptr<DEVMODE, base::FreeDeleter> dev_mode;
 
   cloud_devices::CloudDeviceDescription description;
   if (!description.InitFromString(print_ticket))