Add an abstraction over a compiled code.

That's just step 1, moving code-related functions of ArtMethod to
another class. That class is only a wrapper on an ArtMethod, but will
be changed to be a wrapper around compiled code.

Change-Id: I6f35fc06d37220558dff61691e51ae20066b0dd6
diff --git a/runtime/arch/arch_test.cc b/runtime/arch/arch_test.cc
index 4a45f49..e676a09 100644
--- a/runtime/arch/arch_test.cc
+++ b/runtime/arch/arch_test.cc
@@ -39,7 +39,7 @@
     runtime->SetInstructionSet(isa);
     ArtMethod* save_method = runtime->CreateCalleeSaveMethod();
     runtime->SetCalleeSaveMethod(save_method, type);
-    QuickMethodFrameInfo frame_info = save_method->GetQuickFrameInfo();
+    QuickMethodFrameInfo frame_info = ArtCode(save_method).GetQuickFrameInfo();
     EXPECT_EQ(frame_info.FrameSizeInBytes(), save_size) << "Expected and real size differs for "
         << type << " core spills=" << std::hex << frame_info.CoreSpillMask() << " fp spills="
         << frame_info.FpSpillMask() << std::dec;