Revert "cleanup: Replace pointers with out-parameters and fix-up formatting"

This reverts commit a315f5c546b796f55f4872bb6efc15eb858d9639.

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Revert "runtime: cleanup class_linker out-parameters and formatting"

This reverts commit bc1d78daa463572c5a770cdca858a3b51d8e1b7b.

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Revert "base: replace raw pointers for out-parameters with safer out<T>"

This reverts commit fb326cffc679cab8eb873b9e44795706f023cb3c.
diff --git a/compiler/oat_test.cc b/compiler/oat_test.cc
index 05a33d7..88dc29e 100644
--- a/compiler/oat_test.cc
+++ b/compiler/oat_test.cc
@@ -16,7 +16,6 @@
 
 #include "arch/instruction_set_features.h"
 #include "art_method-inl.h"
-#include "base/out.h"
 #include "class_linker.h"
 #include "common_compiler_test.h"
 #include "compiled_method.h"
@@ -84,7 +83,7 @@
 
   std::string error_msg;
   std::unique_ptr<const InstructionSetFeatures> insn_features(
-      InstructionSetFeatures::FromVariant(insn_set, "default", outof(error_msg)));
+      InstructionSetFeatures::FromVariant(insn_set, "default", &error_msg));
   ASSERT_TRUE(insn_features.get() != nullptr) << error_msg;
   compiler_options_.reset(new CompilerOptions);
   verification_results_.reset(new VerificationResults(compiler_options_.get()));
@@ -124,7 +123,7 @@
     compiler_driver_->CompileAll(class_loader, class_linker->GetBootClassPath(), &timings);
   }
   std::unique_ptr<OatFile> oat_file(OatFile::Open(tmp.GetFilename(), tmp.GetFilename(), nullptr,
-                                                  nullptr, false, nullptr, outof(error_msg)));
+                                                  nullptr, false, nullptr, &error_msg));
   ASSERT_TRUE(oat_file.get() != nullptr) << error_msg;
   const OatHeader& oat_header = oat_file->GetOatHeader();
   ASSERT_TRUE(oat_header.IsValid());
@@ -191,7 +190,7 @@
     InstructionSet insn_set = kX86;
     std::string error_msg;
     std::unique_ptr<const InstructionSetFeatures> insn_features(
-        InstructionSetFeatures::FromVariant(insn_set, "default", outof(error_msg)));
+        InstructionSetFeatures::FromVariant(insn_set, "default", &error_msg));
     ASSERT_TRUE(insn_features.get() != nullptr) << error_msg;
     std::vector<const DexFile*> dex_files;
     uint32_t image_file_location_oat_checksum = 0;