Move mirror::ArtMethod to native

Optimizing + quick tests are passing, devices boot.

TODO: Test and fix bugs in mips64.

Saves 16 bytes per most ArtMethod, 7.5MB reduction in system PSS.
Some of the savings are from removal of virtual methods and direct
methods object arrays.

Bug: 19264997
Change-Id: I622469a0cfa0e7082a2119f3d6a9491eb61e3f3d
diff --git a/compiler/jit/jit_compiler.h b/compiler/jit/jit_compiler.h
index d9a5ac6..b0010e0 100644
--- a/compiler/jit/jit_compiler.h
+++ b/compiler/jit/jit_compiler.h
@@ -28,11 +28,8 @@
 
 namespace art {
 
-class InstructionSetFeatures;
-
-namespace mirror {
 class ArtMethod;
-}
+class InstructionSetFeatures;
 
 namespace jit {
 
@@ -40,11 +37,11 @@
  public:
   static JitCompiler* Create();
   virtual ~JitCompiler();
-  bool CompileMethod(Thread* self, mirror::ArtMethod* method)
+  bool CompileMethod(Thread* self, ArtMethod* method)
       SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
   // This is in the compiler since the runtime doesn't have access to the compiled method
   // structures.
-  bool AddToCodeCache(mirror::ArtMethod* method, const CompiledMethod* compiled_method,
+  bool AddToCodeCache(ArtMethod* method, const CompiledMethod* compiled_method,
                       OatFile::OatMethod* out_method) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
   CompilerCallbacks* GetCompilerCallbacks() const;
   size_t GetTotalCompileTime() const {
@@ -65,7 +62,7 @@
   uint8_t* WriteMethodHeaderAndCode(
       const CompiledMethod* compiled_method, uint8_t* reserve_begin, uint8_t* reserve_end,
       const uint8_t* mapping_table, const uint8_t* vmap_table, const uint8_t* gc_map);
-  bool MakeExecutable(CompiledMethod* compiled_method, mirror::ArtMethod* method)
+  bool MakeExecutable(CompiledMethod* compiled_method, ArtMethod* method)
       SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
 
   DISALLOW_COPY_AND_ASSIGN(JitCompiler);