convert //courgette to std::unique_ptr

courgette/program_detector.h

Index: courgette/program_detector.h
diff --git a/courgette/program_detector.h b/courgette/program_detector.h
index 81b6e2d1a3b4efdb5208d33c4b95b9aef197fa19..06f1da3f84762791181742776de0d466ded7dec8 100644
--- a/courgette/program_detector.h
+++ b/courgette/program_detector.h
@@ -7,7 +7,8 @@
 
 #include <stddef.h>
 
-#include "base/memory/scoped_ptr.h"
+#include <memory>
+
 #include "courgette/courgette.h"
 
 namespace courgette {
@@ -36,8 +37,8 @@ Status DetectExecutableType(const void* buffer,
 //   Returns an error status and assigns |*output| to null.
 Status ParseDetectedExecutable(const void* buffer,
                                size_t length,
-                               scoped_ptr<AssemblyProgram>* output);
+                               std::unique_ptr<AssemblyProgram>* output);
 
 }  // namespace courgette
 
-#endif  // COURGETTE_PROGRAM_DETECTOR_H_
+#endif  // COURGETTE_PROGRAM_DETECTOR_H_