Move rest of code related blobs from Method to oat

Change-Id: I55041b564ab65317c8b1f863005f20ba650a0322
diff --git a/src/compiler/Compiler.h b/src/compiler/Compiler.h
index f9e2478..28a689f 100644
--- a/src/compiler/Compiler.h
+++ b/src/compiler/Compiler.h
@@ -99,7 +99,9 @@
 void oatArchDump(void);
 bool oatStartup(void);
 void oatShutdown(void);
-bool oatCompileMethod(const Compiler& compiler, Method* method, OatInstructionSetType);
+CompiledMethod* oatCompileMethod(const Compiler& compiler,
+                                 const Method* method,
+                                 OatInstructionSetType);
 void oatDumpStats(void);
 void oatScanAllClassPointers(void (*callback)(void* ptr));
 void oatInitializeSSAConversion(struct CompilationUnit* cUnit);