After discussing with Chris Lattner, we require C++11, so lets get rid of the macros and just use C++11.

llvm-svn: 179805
diff --git a/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.h b/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.h
index 0870d90..66b6f71 100644
--- a/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.h
+++ b/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.h
@@ -155,7 +155,7 @@
 
     /// List of file specifications corresponding to the modules (shared
     /// libraries) on which this object file depends.
-    mutable STD_UNIQUE_PTR(lldb_private::FileSpecList) m_filespec_ap;
+    mutable std::unique_ptr<lldb_private::FileSpecList> m_filespec_ap;
 
     /// Data extractor holding the string table used to resolve section names.
     lldb_private::DataExtractor m_shstr_data;