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/runtime/jit/jit_instrumentation.h b/runtime/jit/jit_instrumentation.h
index 72acaef..27894eb 100644
--- a/runtime/jit/jit_instrumentation.h
+++ b/runtime/jit/jit_instrumentation.h
@@ -31,12 +31,12 @@
 
 namespace art {
 namespace mirror {
-  class ArtMethod;
   class Class;
   class Object;
   class Throwable;
 }  // namespace mirror
 class ArtField;
+class ArtMethod;
 union JValue;
 class Thread;
 
@@ -46,9 +46,9 @@
 class JitInstrumentationCache {
  public:
   explicit JitInstrumentationCache(size_t hot_method_threshold);
-  void AddSamples(Thread* self, mirror::ArtMethod* method, size_t samples)
+  void AddSamples(Thread* self, ArtMethod* method, size_t samples)
       SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
-  void SignalCompiled(Thread* self, mirror::ArtMethod* method)
+  void SignalCompiled(Thread* self, ArtMethod* method)
       SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
   void CreateThreadPool();
   void DeleteThreadPool();
@@ -67,31 +67,31 @@
   explicit JitInstrumentationListener(JitInstrumentationCache* cache);
 
   virtual void MethodEntered(Thread* thread, mirror::Object* /*this_object*/,
-                             mirror::ArtMethod* method, uint32_t /*dex_pc*/)
+                             ArtMethod* method, uint32_t /*dex_pc*/)
       OVERRIDE SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
     instrumentation_cache_->AddSamples(thread, method, 1);
   }
   virtual void MethodExited(Thread* /*thread*/, mirror::Object* /*this_object*/,
-                            mirror::ArtMethod* /*method*/, uint32_t /*dex_pc*/,
+                            ArtMethod* /*method*/, uint32_t /*dex_pc*/,
                             const JValue& /*return_value*/)
       OVERRIDE { }
   virtual void MethodUnwind(Thread* /*thread*/, mirror::Object* /*this_object*/,
-                            mirror::ArtMethod* /*method*/, uint32_t /*dex_pc*/) OVERRIDE { }
+                            ArtMethod* /*method*/, uint32_t /*dex_pc*/) OVERRIDE { }
   virtual void FieldRead(Thread* /*thread*/, mirror::Object* /*this_object*/,
-                         mirror::ArtMethod* /*method*/, uint32_t /*dex_pc*/,
+                         ArtMethod* /*method*/, uint32_t /*dex_pc*/,
                          ArtField* /*field*/) OVERRIDE { }
   virtual void FieldWritten(Thread* /*thread*/, mirror::Object* /*this_object*/,
-                            mirror::ArtMethod* /*method*/, uint32_t /*dex_pc*/,
+                            ArtMethod* /*method*/, uint32_t /*dex_pc*/,
                             ArtField* /*field*/, const JValue& /*field_value*/)
       OVERRIDE { }
   virtual void ExceptionCaught(Thread* /*thread*/,
                                mirror::Throwable* /*exception_object*/) OVERRIDE { }
 
   virtual void DexPcMoved(Thread* /*self*/, mirror::Object* /*this_object*/,
-                          mirror::ArtMethod* /*method*/, uint32_t /*new_dex_pc*/) OVERRIDE { }
+                          ArtMethod* /*method*/, uint32_t /*new_dex_pc*/) OVERRIDE { }
 
   // We only care about how many dex instructions were executed in the Jit.
-  virtual void BackwardBranch(Thread* thread, mirror::ArtMethod* method, int32_t dex_pc_offset)
+  virtual void BackwardBranch(Thread* thread, ArtMethod* method, int32_t dex_pc_offset)
       OVERRIDE SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
     CHECK_LE(dex_pc_offset, 0);
     instrumentation_cache_->AddSamples(thread, method, 1);