[Courgette] Refactor: Manage AssemblyProgram and EncodedProgram with scoped_ptr.

courgette/ensemble.cc

Index: courgette/ensemble.cc
diff --git a/courgette/ensemble.cc b/courgette/ensemble.cc
index d5277a472d4ceade5246b61dcf4bf1718644f619..631dd12c920224e74913bfd06ce7104c78de4a32 100644
--- a/courgette/ensemble.cc
+++ b/courgette/ensemble.cc
@@ -8,7 +8,7 @@
 #include <stdint.h>
 
 #include "base/strings/string_number_conversions.h"
-
+#include "courgette/program_detector.h"
 #include "courgette/region.h"
 #include "courgette/simple_delta.h"
 #include "courgette/streams.h"
@@ -41,11 +41,9 @@ Status Ensemble::FindEmbeddedElements() {
   while (position < length) {
     ExecutableType type;
     size_t detected_length;
-
     Status result = DetectExecutableType(start + position,
                                          length - position,
                                          &type, &detected_length);
-
     if (result == C_OK) {
       Region region(start + position, detected_length);