Convert MethodMirror.returnType to native calls (and more)

runtime/vm/object.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/object.h"
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "vm/assembler.h"
 #include "vm/cpu.h"
@@ skipping 14208 matching lines @@
 const char* WeakProperty::ToCString() const {
   return "_WeakProperty";
 }
 
 
 void WeakProperty::PrintToJSONStream(JSONStream* stream, bool ref) const {
   stream->OpenObject();
   stream->CloseObject();
 }
 
+
+RawFunction* MirrorReference::GetFunctionReferent() const {
+  ASSERT(Object::Handle(referent()).IsFunction());
+  return Function::Cast(Object::Handle(referent())).raw();
+}
+
+
 RawMirrorReference* MirrorReference::New(Heap::Space space) {
   ASSERT(Isolate::Current()->object_store()->mirror_reference_class()
          != Class::null());
   RawObject* raw = Object::Allocate(MirrorReference::kClassId,
                                     MirrorReference::InstanceSize(),
                                     space);
   return reinterpret_cast<RawMirrorReference*>(raw);
 }
 
 
 const char* MirrorReference::ToCString() const {
   return "_MirrorReference";
 }
 
 
 void MirrorReference::PrintToJSONStream(JSONStream* stream, bool ref) const {
   stream->OpenObject();
   stream->CloseObject();
 }
 
 
 }  // namespace dart