unique_ptrify a bunch of stuff through RuntimeDyld::loadObject

llvm-svn: 217065
diff --git a/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldMachO.h b/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldMachO.h
index 8a00c0b..bae7ca8 100644
--- a/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldMachO.h
+++ b/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldMachO.h
@@ -103,8 +103,9 @@
 
 public:
   /// Create an ObjectImage from the given ObjectBuffer.
-  static ObjectImage *createObjectImage(ObjectBuffer *InputBuffer) {
-    return new ObjectImageCommon(InputBuffer);
+  static std::unique_ptr<ObjectImage>
+  createObjectImage(std::unique_ptr<ObjectBuffer> InputBuffer) {
+    return llvm::make_unique<ObjectImageCommon>(std::move(InputBuffer));
   }
 
   /// Create an ObjectImage from the given ObjectFile.