Revert "Revert "Revert "Make dex2dex return a CompiledMethod after quickening."""

Breaks again in some configurations I don't fully understand yet.

This reverts commit f075879649686e59b7a9065c5a061dbfdcdfbecc.

Change-Id: I0ac5533825e40b06462ee69b2740e4a96fb5c582
diff --git a/compiler/driver/compiler_driver.cc b/compiler/driver/compiler_driver.cc
index a52bfae..7890108 100644
--- a/compiler/driver/compiler_driver.cc
+++ b/compiler/driver/compiler_driver.cc
@@ -2291,16 +2291,10 @@
       // TODO: add a command-line option to disable DEX-to-DEX compilation ?
       // Do not optimize if a VerifiedMethod is missing. SafeCast elision, for example, relies on
       // it.
-      compiled_method = (*dex_to_dex_compiler_)(
-          *this,
-          code_item,
-          access_flags,
-          invoke_type,
-          class_def_idx,
-          method_idx,
-          class_loader,
-          dex_file,
-          has_verified_method ? dex_to_dex_compilation_level : kRequired);
+      (*dex_to_dex_compiler_)(*this, code_item, access_flags,
+                              invoke_type, class_def_idx,
+                              method_idx, class_loader, dex_file,
+                              has_verified_method ? dex_to_dex_compilation_level : kRequired);
     }
   }
   if (kTimeCompileMethod) {
diff --git a/compiler/driver/compiler_driver.h b/compiler/driver/compiler_driver.h
index 5cf4044..2d7ceae 100644
--- a/compiler/driver/compiler_driver.h
+++ b/compiler/driver/compiler_driver.h
@@ -675,13 +675,12 @@
   typedef void (*CompilerCallbackFn)(CompilerDriver& driver);
   typedef MutexLock* (*CompilerMutexLockFn)(CompilerDriver& driver);
 
-  typedef CompiledMethod* (*DexToDexCompilerFn)(
-      CompilerDriver& driver,
-      const DexFile::CodeItem* code_item,
-      uint32_t access_flags, InvokeType invoke_type,
-      uint32_t class_dex_idx, uint32_t method_idx,
-      jobject class_loader, const DexFile& dex_file,
-      DexToDexCompilationLevel dex_to_dex_compilation_level);
+  typedef void (*DexToDexCompilerFn)(CompilerDriver& driver,
+                                     const DexFile::CodeItem* code_item,
+                                     uint32_t access_flags, InvokeType invoke_type,
+                                     uint32_t class_dex_idx, uint32_t method_idx,
+                                     jobject class_loader, const DexFile& dex_file,
+                                     DexToDexCompilationLevel dex_to_dex_compilation_level);
   DexToDexCompilerFn dex_to_dex_compiler_;
 
   void* compiler_context_;