ART: Rename ArtMethod's size and alignment methods.

Remove the historical prefix "Object" to avoid confusion
with Java objects.

Change-Id: Ib36422c9a24878d8d4bd757977d99cbf66b3d567
diff --git a/runtime/art_method-inl.h b/runtime/art_method-inl.h
index 51398ca..40bb9e1 100644
--- a/runtime/art_method-inl.h
+++ b/runtime/art_method-inl.h
@@ -506,7 +506,7 @@
 
 inline void ArtMethod::CopyFrom(const ArtMethod* src, size_t image_pointer_size) {
   memcpy(reinterpret_cast<void*>(this), reinterpret_cast<const void*>(src),
-         ObjectSize(image_pointer_size));
+         Size(image_pointer_size));
   declaring_class_ = GcRoot<mirror::Class>(const_cast<ArtMethod*>(src)->GetDeclaringClass());
   dex_cache_resolved_methods_ = GcRoot<mirror::PointerArray>(
       const_cast<ArtMethod*>(src)->GetDexCacheResolvedMethods());