ART: Update stl_util.h

Replace MakeUnique with std::make_unique. Remove unused functions.

Test: m
Change-Id: I3afdc0529cd6fb9d1797e5294a3d5ea2f6b38fc7
diff --git a/compiler/elf_writer_quick.cc b/compiler/elf_writer_quick.cc
index 63b7cad..5d6dd2e 100644
--- a/compiler/elf_writer_quick.cc
+++ b/compiler/elf_writer_quick.cc
@@ -22,7 +22,6 @@
 
 #include "base/casts.h"
 #include "base/logging.h"
-#include "base/stl_util.h"
 #include "compiled_method.h"
 #include "debug/elf_debug_writer.h"
 #include "debug/method_debug_info.h"
@@ -137,15 +136,15 @@
                                                 const CompilerOptions* compiler_options,
                                                 File* elf_file) {
   if (Is64BitInstructionSet(instruction_set)) {
-    return MakeUnique<ElfWriterQuick<ElfTypes64>>(instruction_set,
-                                                  features,
-                                                  compiler_options,
-                                                  elf_file);
+    return std::make_unique<ElfWriterQuick<ElfTypes64>>(instruction_set,
+                                                        features,
+                                                        compiler_options,
+                                                        elf_file);
   } else {
-    return MakeUnique<ElfWriterQuick<ElfTypes32>>(instruction_set,
-                                                  features,
-                                                  compiler_options,
-                                                  elf_file);
+    return std::make_unique<ElfWriterQuick<ElfTypes32>>(instruction_set,
+                                                        features,
+                                                        compiler_options,
+                                                        elf_file);
   }
 }
 
@@ -161,7 +160,8 @@
       rodata_size_(0u),
       text_size_(0u),
       bss_size_(0u),
-      output_stream_(MakeUnique<BufferedOutputStream>(MakeUnique<FileOutputStream>(elf_file))),
+      output_stream_(
+          std::make_unique<BufferedOutputStream>(std::make_unique<FileOutputStream>(elf_file))),
       builder_(new ElfBuilder<ElfTypes>(instruction_set, features, output_stream_.get())) {}
 
 template <typename ElfTypes>